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 (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
31°C maximum daytime temperature in January in Rosario31
30°C maximum daytime temperature in February in Rosario30
27°C maximum daytime temperature in March in Rosario27
24°C maximum daytime temperature in April in Rosario24
21°C maximum daytime temperature in May in Rosario21
17°C maximum daytime temperature in June in Rosario17
17°C maximum daytime temperature in July in Rosario17
18°C maximum daytime temperature in August in Rosario18
21°C maximum daytime temperature in September in Rosario21
24°C maximum daytime temperature in October in Rosario24
27°C maximum daytime temperature in November in Rosario27
30°C maximum daytime temperature in December in Rosario30
Min temperature (night-time)
18°C minimum night-time temperature in January in Rosario18
17°C minimum night-time temperature in February in Rosario17
15°C minimum night-time temperature in March in Rosario15
12°C minimum night-time temperature in April in Rosario12
9°C minimum night-time temperature in May in Rosario9
6°C minimum night-time temperature in June in Rosario6
6°C minimum night-time temperature in July in Rosario6
6°C minimum night-time temperature in August in Rosario6
8°C minimum night-time temperature in September in Rosario8
11°C minimum night-time temperature in October in Rosario11
14°C minimum night-time temperature in November in Rosario14
16°C minimum night-time temperature in December in Rosario16
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 (mm)
119 mm monthly rainfall in January in Rosario119
107 mm monthly rainfall in February in Rosario107
152 mm monthly rainfall in March in Rosario152
92 mm monthly rainfall in April in Rosario92
51 mm monthly rainfall in May in Rosario51
44 mm monthly rainfall in June in Rosario44
41 mm monthly rainfall in July in Rosario41
36 mm monthly rainfall in August in Rosario36
52 mm monthly rainfall in September in Rosario52
103 mm monthly rainfall in October in Rosario103
111 mm monthly rainfall in November in Rosario111
108 mm monthly rainfall in December in Rosario108

More about Rosario

Rosario by month

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

Recommended for Argentina

  • Check out top deals on tours to Argentina
  • Explore places to visit & most popular itineraries
  • Filter deals by experience, duration, level & price

Wild FrontiersTour deal finder

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 31°C 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 119 mm of rainfall in the month.

  • 31°C maximum daytime temperature in January in Rosario31
    31°C max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in January in Rosario8
    8 days with some rainfall
  • 18°C minimum night-time temperature in January in Rosario18
    18°C 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
  • 119 mm monthly rainfall in January in Rosario119
    119 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Rosario11
    11+ (Extreme) UV index

Back to months

Rosario weather in February

Expect daytime maximum temperatures of 30°C in Rosario, Argentina in February based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 107 mm of rainfall in the month.

  • 30°C maximum daytime temperature in February in Rosario30
    30°C max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in February in Rosario8
    8 days with some rainfall
  • 17°C minimum night-time temperature in February in Rosario17
    17°C 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
  • 107 mm monthly rainfall in February in Rosario107
    107 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in February in Rosario11
    11+ (Extreme) UV index

Back to months

Rosario weather in March

Expect daytime maximum temperatures of 27°C in Rosario, Argentina in March based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 152 mm of rainfall in the month.

  • 27°C maximum daytime temperature in March in Rosario27
    27°C max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in March in Rosario9
    9 days with some rainfall
  • 15°C minimum night-time temperature in March in Rosario15
    15°C 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
  • 152 mm monthly rainfall in March in Rosario152
    152 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in March in Rosario9
    9 (Very High) UV index

Back to months

Rosario weather in April

Expect daytime maximum temperatures of 24°C in Rosario, Argentina in April based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 92 mm of rainfall in the month.

  • 24°C maximum daytime temperature in April in Rosario24
    24°C max day temperature
  • 7 hours of sunshine per day
  • 7 days with some rainfall in April in Rosario7
    7 days with some rainfall
  • 12°C minimum night-time temperature in April in Rosario12
    12°C 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
  • 92 mm monthly rainfall in April in Rosario92
    92 mm of monthly rainfall
  • UV (maximum) index 6 (High) in April in Rosario6
    6 (High) UV index

Back to months

Rosario weather in May

Expect daytime maximum temperatures of 21°C in Rosario, Argentina in May based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 51 mm of rainfall in the month.

  • 21°C maximum daytime temperature in May in Rosario21
    21°C max day temperature
  • 6 hours of sunshine per day
  • 6 days with some rainfall in May in Rosario6
    6 days with some rainfall
  • 9°C minimum night-time temperature in May in Rosario9
    9°C 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
  • 51 mm monthly rainfall in May in Rosario51
    51 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in May in Rosario4
    4 (Moderate) UV index

Back to months

Rosario weather in June

Expect daytime maximum temperatures of 17°C in Rosario, Argentina in June based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 44 mm of rainfall in the month.

  • 17°C maximum daytime temperature in June in Rosario17
    17°C max day temperature
  • 5 hours of sunshine per day
  • 5 days with some rainfall in June in Rosario5
    5 days with some rainfall
  • 6°C minimum night-time temperature in June in Rosario6
    6°C 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
  • 44 mm monthly rainfall in June in Rosario44
    44 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in June in Rosario3
    3 (Moderate) UV index

Back to months

Rosario weather in July

Expect daytime maximum temperatures of 17°C in Rosario, Argentina in July based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 41 mm of rainfall in the month.

  • 17°C maximum daytime temperature in July in Rosario17
    17°C max day temperature
  • 6 hours of sunshine per day
  • 5 days with some rainfall in July in Rosario5
    5 days with some rainfall
  • 6°C minimum night-time temperature in July in Rosario6
    6°C 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
  • 41 mm monthly rainfall in July in Rosario41
    41 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in July in Rosario3
    3 (Moderate) UV index

Back to months

Rosario weather in August

Expect daytime maximum temperatures of 18°C in Rosario, Argentina in August based on long-term weather averages. There are 6 hours of sunshine per day on average.

  • 18°C maximum daytime temperature in August in Rosario18
    18°C max day temperature
  • 6 hours of sunshine per day
  • 5 days with some rainfall in August in Rosario5
    5 days with some rainfall
  • 6°C minimum night-time temperature in August in Rosario6
    6°C 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
  • 36 mm monthly rainfall in August in Rosario36
    36 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in August in Rosario4
    4 (Moderate) UV index

Back to months

Rosario weather in September

Expect daytime maximum temperatures of 21°C in Rosario, Argentina in September based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 52 mm of rainfall in the month.

  • 21°C maximum daytime temperature in September in Rosario21
    21°C max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in September in Rosario6
    6 days with some rainfall
  • 8°C minimum night-time temperature in September in Rosario8
    8°C 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
  • 52 mm monthly rainfall in September in Rosario52
    52 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Rosario6
    6 (High) UV index

Back to months

Rosario weather in October

Expect daytime maximum temperatures of 24°C in Rosario, Argentina in October based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 103 mm of rainfall in the month.

  • 24°C maximum daytime temperature in October in Rosario24
    24°C max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in October in Rosario9
    9 days with some rainfall
  • 11°C minimum night-time temperature in October in Rosario11
    11°C 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
  • 103 mm monthly rainfall in October in Rosario103
    103 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in October in Rosario9
    9 (Very High) UV index

Back to months

Rosario weather in November

Expect daytime maximum temperatures of 27°C in Rosario, Argentina in November based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 111 mm of rainfall in the month.

  • 27°C maximum daytime temperature in November in Rosario27
    27°C max day temperature
  • 10 hours of sunshine per day
  • 9 days with some rainfall in November in Rosario9
    9 days with some rainfall
  • 14°C minimum night-time temperature in November in Rosario14
    14°C 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
  • 111 mm monthly rainfall in November in Rosario111
    111 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in November in Rosario11
    11 (Extreme) UV index

Back to months

Rosario weather in December

Expect daytime maximum temperatures of 30°C in Rosario, Argentina in December based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 108 mm of rainfall in the month.

  • 30°C maximum daytime temperature in December in Rosario30
    30°C max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in December in Rosario9
    9 days with some rainfall
  • 16°C minimum night-time temperature in December in Rosario16
    16°C 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
  • 108 mm monthly rainfall in December in Rosario108
    108 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Rosario11
    11+ (Extreme) UV index

Back to months

More about Rosario

Rosario by month

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

Recommended for Argentina

  • Check out top deals on tours to Argentina
  • Explore places to visit & most popular itineraries
  • Filter deals by experience, duration, level & price

Wild FrontiersTour deal finder

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 / mm)  |  Imperial (°F / inches)

Back to top

More about Argentina

Compare Rosario with the UK

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

Maximum daytime temperature (°C)

Rosario, Argentina
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

Compare more Rosario weather >>

Back to top

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^