St John's weather by month

Check out St John's weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in St John's (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
82°F maximum daytime temperature in January in St John's82
82°F maximum daytime temperature in February in St John's82
84°F maximum daytime temperature in March in St John's84
84°F maximum daytime temperature in April in St John's84
86°F maximum daytime temperature in May in St John's86
86°F maximum daytime temperature in June in St John's86
88°F maximum daytime temperature in July in St John's88
88°F maximum daytime temperature in August in St John's88
88°F maximum daytime temperature in September in St John's88
86°F maximum daytime temperature in October in St John's86
86°F maximum daytime temperature in November in St John's86
84°F maximum daytime temperature in December in St John's84
Min temperature (night-time)
72°F minimum night-time temperature in January in St John's72
72°F minimum night-time temperature in February in St John's72
72°F minimum night-time temperature in March in St John's72
73°F minimum night-time temperature in April in St John's73
75°F minimum night-time temperature in May in St John's75
77°F minimum night-time temperature in June in St John's77
77°F minimum night-time temperature in July in St John's77
77°F minimum night-time temperature in August in St John's77
77°F minimum night-time temperature in September in St John's77
75°F minimum night-time temperature in October in St John's75
73°F minimum night-time temperature in November in St John's73
73°F minimum night-time temperature in December in St John's73
Heat & Humidity
Moderate heat & humidity in January in St John'sM
Moderate heat & humidity in February in St John'sM
Moderate heat & humidity in March in St John'sM
High heat & humidity in April in St John'sH
High heat & humidity in May in St John'sH
High heat & humidity in June in St John'sH
Very high heat & humidity in July in St John'sVH
Very high heat & humidity in August in St John'sVH
Very high heat & humidity in September in St John'sVH
High heat & humidity in October in St John'sH
High heat & humidity in November in St John'sH
Moderate heat & humidity in December in St John'sM
Sea temperature
79°F sea temperature in January in St John's79
79°F sea temperature in February in St John's79
79°F sea temperature in March in St John's79
81°F sea temperature in April in St John's81
81°F sea temperature in May in St John's81
82°F sea temperature in June in St John's82
82°F sea temperature in July in St John's82
82°F sea temperature in August in St John's82
84°F sea temperature in September in St John's84
84°F sea temperature in October in St John's84
82°F sea temperature in November in St John's82
81°F sea temperature in December in St John's81

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

Sunshine & Daylight in St John's

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
11 hours of daylight per day in January in St John's11
12 hours of daylight per day in February in St John's12
12 hours of daylight per day in March in St John's12
13 hours of daylight per day in April in St John's13
13 hours of daylight per day in May in St John's13
13 hours of daylight per day in June in St John's13
13 hours of daylight per day in July in St John's13
13 hours of daylight per day in August in St John's13
12 hours of daylight per day in September in St John's12
12 hours of daylight per day in October in St John's12
11 hours of daylight per day in November in St John's11
11 hours of daylight per day in December in St John's11
UV Index (Maximum)
UV (maximum) index 8 (Very High) in January in St John's8
UV (maximum) index 10 (Very High) in February in St John's10
UV (maximum) index 11+ (Extreme) in March in St John's11
UV (maximum) index 11+ (Extreme) in April in St John's11
UV (maximum) index 11+ (Extreme) in May in St John's11
UV (maximum) index 11+ (Extreme) in June in St John's11
UV (maximum) index 11+ (Extreme) in July in St John's11
UV (maximum) index 11+ (Extreme) in August in St John's11
UV (maximum) index 11+ (Extreme) in September in St John's11
UV (maximum) index 10 (Very High) in October in St John's10
UV (maximum) index 9 (Very High) in November in St John's9
UV (maximum) index 8 (Very High) in December in St John's8

Rainfall in St John's

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
16 days with some rainfall in January in St John's16
13 days with some rainfall in February in St John's13
12 days with some rainfall in March in St John's12
11 days with some rainfall in April in St John's11
14 days with some rainfall in May in St John's14
14 days with some rainfall in June in St John's14
16 days with some rainfall in July in St John's16
16 days with some rainfall in August in St John's16
17 days with some rainfall in September in St John's17
17 days with some rainfall in October in St John's17
17 days with some rainfall in November in St John's17
17 days with some rainfall in December in St John's17
Average monthly rainfall (inches)
2.6 inches monthly rainfall in January in St John's2.6
1.5 inches monthly rainfall in February in St John's1.5
1.6 inches monthly rainfall in March in St John's1.6
2.2 inches monthly rainfall in April in St John's2.2
3.6 inches monthly rainfall in May in St John's3.6
2.8 inches monthly rainfall in June in St John's2.8
3.1 inches monthly rainfall in July in St John's3.1
4.9 inches monthly rainfall in August in St John's4.9
5.5 inches monthly rainfall in September in St John's5.5
5.3 inches monthly rainfall in October in St John's5.3
4.4 inches monthly rainfall in November in St John's4.4
3.5 inches monthly rainfall in December in St John's3.5

More about St John's

St John's by month

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

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The climate guide for Antigua (St John's) 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 St John's?

St John's has a hot tropical climate with a winter dry season.

Metric (°C)  |  Imperial (°F)

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Tropical storm risk: St John's, Antigua hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
<1%
2.9%
4.4%
1.5%
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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More about Antigua

Compare St John's with the UK

Below the St John's chart shows average maximum daytime temperature for St John's, Antigua and the UK (London).

Maximum daytime temperature (°F)

St John's, Antigua
UK (London)
82
45
82
45
84
50
84
55
86
63
86
68
88
72
88
72
88
66
86
59
86
50
84
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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