Rosario weather by month

Check out Rosario weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Rosario (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
88°F maximum daytime temperature in January in Rosario88
86°F maximum daytime temperature in February in Rosario86
81°F maximum daytime temperature in March in Rosario81
75°F maximum daytime temperature in April in Rosario75
70°F maximum daytime temperature in May in Rosario70
63°F maximum daytime temperature in June in Rosario63
63°F maximum daytime temperature in July in Rosario63
64°F maximum daytime temperature in August in Rosario64
70°F maximum daytime temperature in September in Rosario70
75°F maximum daytime temperature in October in Rosario75
81°F maximum daytime temperature in November in Rosario81
86°F maximum daytime temperature in December in Rosario86
Min temperature (night-time)
64°F minimum night-time temperature in January in Rosario64
63°F minimum night-time temperature in February in Rosario63
59°F minimum night-time temperature in March in Rosario59
54°F minimum night-time temperature in April in Rosario54
48°F minimum night-time temperature in May in Rosario48
43°F minimum night-time temperature in June in Rosario43
43°F minimum night-time temperature in July in Rosario43
43°F minimum night-time temperature in August in Rosario43
46°F minimum night-time temperature in September in Rosario46
52°F minimum night-time temperature in October in Rosario52
57°F minimum night-time temperature in November in Rosario57
61°F minimum night-time temperature in December in Rosario61
Heat & Humidity
High heat & humidity in January in RosarioH
Moderate heat & humidity in February in RosarioM
Low heat & humidity in March in RosarioL
No heat & humidity in April in Rosario0
No heat & humidity in May in Rosario0
No heat & humidity in June in Rosario0
No heat & humidity in July in Rosario0
No heat & humidity in August in Rosario0
No heat & humidity in September in Rosario0
No heat & humidity in October in Rosario0
Low heat & humidity in November in RosarioL
Moderate heat & humidity in December in RosarioM

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Rosario

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
14 hours of daylight per day in January in Rosario14
13 hours of daylight per day in February in Rosario13
12 hours of daylight per day in March in Rosario12
11 hours of daylight per day in April in Rosario11
10 hours of daylight per day in May in Rosario10
10 hours of daylight per day in June in Rosario10
10 hours of daylight per day in July in Rosario10
11 hours of daylight per day in August in Rosario11
12 hours of daylight per day in September in Rosario12
13 hours of daylight per day in October in Rosario13
14 hours of daylight per day in November in Rosario14
14 hours of daylight per day in December in Rosario14
UV Index (Maximum)
UV (maximum) index 11+ (Extreme) in January in Rosario11
UV (maximum) index 11+ (Extreme) in February in Rosario11
UV (maximum) index 9 (Very High) in March in Rosario9
UV (maximum) index 6 (High) in April in Rosario6
UV (maximum) index 4 (Moderate) in May in Rosario4
UV (maximum) index 3 (Moderate) in June in Rosario3
UV (maximum) index 3 (Moderate) in July in Rosario3
UV (maximum) index 4 (Moderate) in August in Rosario4
UV (maximum) index 6 (High) in September in Rosario6
UV (maximum) index 9 (Very High) in October in Rosario9
UV (maximum) index 11 (Extreme) in November in Rosario11
UV (maximum) index 11+ (Extreme) in December in Rosario11

Rainfall in Rosario

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
8 days with some rainfall in January in Rosario8
8 days with some rainfall in February in Rosario8
9 days with some rainfall in March in Rosario9
7 days with some rainfall in April in Rosario7
6 days with some rainfall in May in Rosario6
5 days with some rainfall in June in Rosario5
5 days with some rainfall in July in Rosario5
5 days with some rainfall in August in Rosario5
6 days with some rainfall in September in Rosario6
9 days with some rainfall in October in Rosario9
9 days with some rainfall in November in Rosario9
9 days with some rainfall in December in Rosario9
Average monthly rainfall (inches)
4.7 inches monthly rainfall in January in Rosario4.7
4.2 inches monthly rainfall in February in Rosario4.2
6.0 inches monthly rainfall in March in Rosario6.0
3.6 inches monthly rainfall in April in Rosario3.6
2.0 inches monthly rainfall in May in Rosario2.0
1.7 inches monthly rainfall in June in Rosario1.7
1.6 inches monthly rainfall in July in Rosario1.6
1.4 inches monthly rainfall in August in Rosario1.4
2.0 inches monthly rainfall in September in Rosario2.0
4.1 inches monthly rainfall in October in Rosario4.1
4.4 inches monthly rainfall in November in Rosario4.4
4.3 inches monthly rainfall in December in Rosario4.3

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Rosario by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Argentina (Rosario) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Rosario?

Rosario has a temperate climate with hot summers and some rainfall in all months.

Rosario weather in January

Expect daytime maximum temperatures of 88°F in Rosario, Argentina in January and high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 4.7 inches of rainfall in the month.

  • 88°F maximum daytime temperature in January in Rosario88
    88°F max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in January in Rosario8
    8 days with some rainfall
  • 64°F minimum night-time temperature in January in Rosario64
    64°F min night temperature
  • 14 hours of daylight per day in January in Rosario14
    14 hours of daylight per day
  • High heat & humidity in January in RosarioH
    High heat & humidity
  • 4.7 inches monthly rainfall in January in Rosario4.7
    4.7 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Rosario11
    11+ (Extreme) UV index

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Rosario weather in February

Expect daytime maximum temperatures of 86°F in Rosario, Argentina in February based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 4.2 inches of rainfall in the month.

  • 86°F maximum daytime temperature in February in Rosario86
    86°F max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in February in Rosario8
    8 days with some rainfall
  • 63°F minimum night-time temperature in February in Rosario63
    63°F min night temperature
  • 13 hours of daylight per day in February in Rosario13
    13 hours of daylight per day
  • Moderate heat & humidity in February in RosarioM
    Moderate heat & humidity
  • 4.2 inches monthly rainfall in February in Rosario4.2
    4.2 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in February in Rosario11
    11+ (Extreme) UV index

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Rosario weather in March

Expect daytime maximum temperatures of 81°F in Rosario, Argentina in March based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 6.0 inches of rainfall in the month.

  • 81°F maximum daytime temperature in March in Rosario81
    81°F max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in March in Rosario9
    9 days with some rainfall
  • 59°F minimum night-time temperature in March in Rosario59
    59°F min night temperature
  • 12 hours of daylight per day in March in Rosario12
    12 hours of daylight per day
  • Low heat & humidity in March in RosarioL
    Low heat & humidity
  • 6.0 inches monthly rainfall in March in Rosario6.0
    6.0 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in March in Rosario9
    9 (Very High) UV index

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Rosario weather in April

Expect daytime maximum temperatures of 75°F in Rosario, Argentina in April based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 3.6 inches of rainfall in the month.

  • 75°F maximum daytime temperature in April in Rosario75
    75°F max day temperature
  • 7 hours of sunshine per day
  • 7 days with some rainfall in April in Rosario7
    7 days with some rainfall
  • 54°F minimum night-time temperature in April in Rosario54
    54°F min night temperature
  • 11 hours of daylight per day in April in Rosario11
    11 hours of daylight per day
  • No heat & humidity in April in Rosario0
    No heat & humidity
  • 3.6 inches monthly rainfall in April in Rosario3.6
    3.6 inches of monthly rainfall
  • UV (maximum) index 6 (High) in April in Rosario6
    6 (High) UV index

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Rosario weather in May

Expect daytime maximum temperatures of 70°F in Rosario, Argentina in May based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 2.0 inches of rainfall in the month.

  • 70°F maximum daytime temperature in May in Rosario70
    70°F max day temperature
  • 6 hours of sunshine per day
  • 6 days with some rainfall in May in Rosario6
    6 days with some rainfall
  • 48°F minimum night-time temperature in May in Rosario48
    48°F min night temperature
  • 10 hours of daylight per day in May in Rosario10
    10 hours of daylight per day
  • No heat & humidity in May in Rosario0
    No heat & humidity
  • 2.0 inches monthly rainfall in May in Rosario2.0
    2.0 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in May in Rosario4
    4 (Moderate) UV index

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Rosario weather in June

Expect daytime maximum temperatures of 63°F in Rosario, Argentina in June based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 1.7 inches of rainfall in the month.

  • 63°F maximum daytime temperature in June in Rosario63
    63°F max day temperature
  • 5 hours of sunshine per day
  • 5 days with some rainfall in June in Rosario5
    5 days with some rainfall
  • 43°F minimum night-time temperature in June in Rosario43
    43°F min night temperature
  • 10 hours of daylight per day in June in Rosario10
    10 hours of daylight per day
  • No heat & humidity in June in Rosario0
    No heat & humidity
  • 1.7 inches monthly rainfall in June in Rosario1.7
    1.7 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in June in Rosario3
    3 (Moderate) UV index

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Rosario weather in July

Expect daytime maximum temperatures of 63°F in Rosario, Argentina in July based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 1.6 inches of rainfall in the month.

  • 63°F maximum daytime temperature in July in Rosario63
    63°F max day temperature
  • 6 hours of sunshine per day
  • 5 days with some rainfall in July in Rosario5
    5 days with some rainfall
  • 43°F minimum night-time temperature in July in Rosario43
    43°F min night temperature
  • 10 hours of daylight per day in July in Rosario10
    10 hours of daylight per day
  • No heat & humidity in July in Rosario0
    No heat & humidity
  • 1.6 inches monthly rainfall in July in Rosario1.6
    1.6 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in July in Rosario3
    3 (Moderate) UV index

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Rosario weather in August

Expect daytime maximum temperatures of 64°F in Rosario, Argentina in August based on long-term weather averages. There are 6 hours of sunshine per day on average.

  • 64°F maximum daytime temperature in August in Rosario64
    64°F max day temperature
  • 6 hours of sunshine per day
  • 5 days with some rainfall in August in Rosario5
    5 days with some rainfall
  • 43°F minimum night-time temperature in August in Rosario43
    43°F min night temperature
  • 11 hours of daylight per day in August in Rosario11
    11 hours of daylight per day
  • No heat & humidity in August in Rosario0
    No heat & humidity
  • 1.4 inches monthly rainfall in August in Rosario1.4
    1.4 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in August in Rosario4
    4 (Moderate) UV index

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Rosario weather in September

Expect daytime maximum temperatures of 70°F in Rosario, Argentina in September based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 2.0 inches of rainfall in the month.

  • 70°F maximum daytime temperature in September in Rosario70
    70°F max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in September in Rosario6
    6 days with some rainfall
  • 46°F minimum night-time temperature in September in Rosario46
    46°F min night temperature
  • 12 hours of daylight per day in September in Rosario12
    12 hours of daylight per day
  • No heat & humidity in September in Rosario0
    No heat & humidity
  • 2.0 inches monthly rainfall in September in Rosario2.0
    2.0 inches of monthly rainfall
  • UV (maximum) index 6 (High) in September in Rosario6
    6 (High) UV index

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Rosario weather in October

Expect daytime maximum temperatures of 75°F in Rosario, Argentina in October based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 4.1 inches of rainfall in the month.

  • 75°F maximum daytime temperature in October in Rosario75
    75°F max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in October in Rosario9
    9 days with some rainfall
  • 52°F minimum night-time temperature in October in Rosario52
    52°F min night temperature
  • 13 hours of daylight per day in October in Rosario13
    13 hours of daylight per day
  • No heat & humidity in October in Rosario0
    No heat & humidity
  • 4.1 inches monthly rainfall in October in Rosario4.1
    4.1 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in October in Rosario9
    9 (Very High) UV index

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Rosario weather in November

Expect daytime maximum temperatures of 81°F in Rosario, Argentina in November based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 4.4 inches of rainfall in the month.

  • 81°F maximum daytime temperature in November in Rosario81
    81°F max day temperature
  • 10 hours of sunshine per day
  • 9 days with some rainfall in November in Rosario9
    9 days with some rainfall
  • 57°F minimum night-time temperature in November in Rosario57
    57°F min night temperature
  • 14 hours of daylight per day in November in Rosario14
    14 hours of daylight per day
  • Low heat & humidity in November in RosarioL
    Low heat & humidity
  • 4.4 inches monthly rainfall in November in Rosario4.4
    4.4 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in November in Rosario11
    11 (Extreme) UV index

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Rosario weather in December

Expect daytime maximum temperatures of 86°F in Rosario, Argentina in December based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 4.3 inches of rainfall in the month.

  • 86°F maximum daytime temperature in December in Rosario86
    86°F max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in December in Rosario9
    9 days with some rainfall
  • 61°F minimum night-time temperature in December in Rosario61
    61°F min night temperature
  • 14 hours of daylight per day in December in Rosario14
    14 hours of daylight per day
  • Moderate heat & humidity in December in RosarioM
    Moderate heat & humidity
  • 4.3 inches monthly rainfall in December in Rosario4.3
    4.3 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Rosario11
    11+ (Extreme) UV index

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More about Rosario

Rosario by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Argentina (Rosario) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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Compare Rosario with the UK

Below the Rosario chart shows average maximum daytime temperature for Rosario, Argentina and the UK (London).

Maximum daytime temperature (°F)

Rosario, Argentina
UK (London)
88
45
86
45
81
50
75
55
70
63
63
68
63
72
64
72
70
66
75
59
81
50
86
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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