St John's climate guide

Temperature in St John's (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
28°C maximum daytime temperature in January in St John's28
28°C maximum daytime temperature in February in St John's28
29°C maximum daytime temperature in March in St John's29
29°C maximum daytime temperature in April in St John's29
30°C maximum daytime temperature in May in St John's30
30°C maximum daytime temperature in June in St John's30
31°C maximum daytime temperature in July in St John's31
31°C maximum daytime temperature in August in St John's31
31°C maximum daytime temperature in September in St John's31
30°C maximum daytime temperature in October in St John's30
30°C maximum daytime temperature in November in St John's30
29°C maximum daytime temperature in December in St John's29
Min temperature (night-time)
22°C minimum night-time temperature in January in St John's22
22°C minimum night-time temperature in February in St John's22
22°C minimum night-time temperature in March in St John's22
23°C minimum night-time temperature in April in St John's23
24°C minimum night-time temperature in May in St John's24
25°C minimum night-time temperature in June in St John's25
25°C minimum night-time temperature in July in St John's25
25°C minimum night-time temperature in August in St John's25
25°C minimum night-time temperature in September in St John's25
24°C minimum night-time temperature in October in St John's24
23°C minimum night-time temperature in November in St John's23
23°C minimum night-time temperature in December in St John's23
Sea temperature
26°C sea temperature in January in St John's26
26°C sea temperature in February in St John's26
26°C sea temperature in March in St John's26
27°C sea temperature in April in St John's27
27°C sea temperature in May in St John's27
28°C sea temperature in June in St John's28
28°C sea temperature in July in St John's28
28°C sea temperature in August in St John's28
29°C sea temperature in September in St John's29
29°C sea temperature in October in St John's29
28°C sea temperature in November in St John's28
27°C sea temperature in December in St John's27

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

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 (mm)
67 mm monthly rainfall in January in St John's67
37 mm monthly rainfall in February in St John's37
40 mm monthly rainfall in March in St John's40
57 mm monthly rainfall in April in St John's57
91 mm monthly rainfall in May in St John's91
70 mm monthly rainfall in June in St John's70
79 mm monthly rainfall in July in St John's79
124 mm monthly rainfall in August in St John's124
140 mm monthly rainfall in September in St John's140
134 mm monthly rainfall in October in St John's134
113 mm monthly rainfall in November in St John's113
88 mm monthly rainfall in December in St John's88

More climate for St John's

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

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

What's the climate like in St John's?

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

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Recommended for Antigua

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.

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  • St John's weather overview
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  • St John's 5-day weather forecast

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

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

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