St Barthelemy climate guide

Temperature in St Barthelemy (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
29°C maximum daytime temperature in January in St Barthelemy (St Barthelemy (Gustavia))29
29°C maximum daytime temperature in February in St Barthelemy (St Barthelemy (Gustavia))29
29°C maximum daytime temperature in March in St Barthelemy (St Barthelemy (Gustavia))29
30°C maximum daytime temperature in April in St Barthelemy (St Barthelemy (Gustavia))30
30°C maximum daytime temperature in May in St Barthelemy (St Barthelemy (Gustavia))30
31°C maximum daytime temperature in June in St Barthelemy (St Barthelemy (Gustavia))31
31°C maximum daytime temperature in July in St Barthelemy (St Barthelemy (Gustavia))31
31°C maximum daytime temperature in August in St Barthelemy (St Barthelemy (Gustavia))31
31°C maximum daytime temperature in September in St Barthelemy (St Barthelemy (Gustavia))31
31°C maximum daytime temperature in October in St Barthelemy (St Barthelemy (Gustavia))31
30°C maximum daytime temperature in November in St Barthelemy (St Barthelemy (Gustavia))30
29°C maximum daytime temperature in December in St Barthelemy (St Barthelemy (Gustavia))29
Min temperature (night-time)
23°C minimum night-time temperature in January in St Barthelemy (St Barthelemy (Gustavia))23
23°C minimum night-time temperature in February in St Barthelemy (St Barthelemy (Gustavia))23
23°C minimum night-time temperature in March in St Barthelemy (St Barthelemy (Gustavia))23
24°C minimum night-time temperature in April in St Barthelemy (St Barthelemy (Gustavia))24
24°C minimum night-time temperature in May in St Barthelemy (St Barthelemy (Gustavia))24
25°C minimum night-time temperature in June in St Barthelemy (St Barthelemy (Gustavia))25
25°C minimum night-time temperature in July in St Barthelemy (St Barthelemy (Gustavia))25
25°C minimum night-time temperature in August in St Barthelemy (St Barthelemy (Gustavia))25
25°C minimum night-time temperature in September in St Barthelemy (St Barthelemy (Gustavia))25
25°C minimum night-time temperature in October in St Barthelemy (St Barthelemy (Gustavia))25
24°C minimum night-time temperature in November in St Barthelemy (St Barthelemy (Gustavia))24
23°C minimum night-time temperature in December in St Barthelemy (St Barthelemy (Gustavia))23
Sea temperature
26°C sea temperature in January in St Barthelemy (St Barthelemy (Gustavia))26
26°C sea temperature in February in St Barthelemy (St Barthelemy (Gustavia))26
26°C sea temperature in March in St Barthelemy (St Barthelemy (Gustavia))26
27°C sea temperature in April in St Barthelemy (St Barthelemy (Gustavia))27
27°C sea temperature in May in St Barthelemy (St Barthelemy (Gustavia))27
28°C sea temperature in June in St Barthelemy (St Barthelemy (Gustavia))28
28°C sea temperature in July in St Barthelemy (St Barthelemy (Gustavia))28
28°C sea temperature in August in St Barthelemy (St Barthelemy (Gustavia))28
29°C sea temperature in September in St Barthelemy (St Barthelemy (Gustavia))29
29°C sea temperature in October in St Barthelemy (St Barthelemy (Gustavia))29
28°C sea temperature in November in St Barthelemy (St Barthelemy (Gustavia))28
27°C sea temperature in December in St Barthelemy (St Barthelemy (Gustavia))27

Sunshine & Daylight in St Barthelemy

  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 Barthelemy (St Barthelemy (Gustavia))11
12 hours of daylight per day in February in St Barthelemy (St Barthelemy (Gustavia))12
12 hours of daylight per day in March in St Barthelemy (St Barthelemy (Gustavia))12
13 hours of daylight per day in April in St Barthelemy (St Barthelemy (Gustavia))13
13 hours of daylight per day in May in St Barthelemy (St Barthelemy (Gustavia))13
13 hours of daylight per day in June in St Barthelemy (St Barthelemy (Gustavia))13
13 hours of daylight per day in July in St Barthelemy (St Barthelemy (Gustavia))13
13 hours of daylight per day in August in St Barthelemy (St Barthelemy (Gustavia))13
12 hours of daylight per day in September in St Barthelemy (St Barthelemy (Gustavia))12
12 hours of daylight per day in October in St Barthelemy (St Barthelemy (Gustavia))12
11 hours of daylight per day in November in St Barthelemy (St Barthelemy (Gustavia))11
11 hours of daylight per day in December in St Barthelemy (St Barthelemy (Gustavia))11

Rainfall in St Barthelemy

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
17 days with some rainfall in January in St Barthelemy (St Barthelemy (Gustavia))17
14 days with some rainfall in February in St Barthelemy (St Barthelemy (Gustavia))14
13 days with some rainfall in March in St Barthelemy (St Barthelemy (Gustavia))13
12 days with some rainfall in April in St Barthelemy (St Barthelemy (Gustavia))12
15 days with some rainfall in May in St Barthelemy (St Barthelemy (Gustavia))15
13 days with some rainfall in June in St Barthelemy (St Barthelemy (Gustavia))13
17 days with some rainfall in July in St Barthelemy (St Barthelemy (Gustavia))17
19 days with some rainfall in August in St Barthelemy (St Barthelemy (Gustavia))19
19 days with some rainfall in September in St Barthelemy (St Barthelemy (Gustavia))19
20 days with some rainfall in October in St Barthelemy (St Barthelemy (Gustavia))20
21 days with some rainfall in November in St Barthelemy (St Barthelemy (Gustavia))21
20 days with some rainfall in December in St Barthelemy (St Barthelemy (Gustavia))20
Average monthly rainfall (mm)
63 mm monthly rainfall in January in St Barthelemy (St Barthelemy (Gustavia))63
43 mm monthly rainfall in February in St Barthelemy (St Barthelemy (Gustavia))43
43 mm monthly rainfall in March in St Barthelemy (St Barthelemy (Gustavia))43
65 mm monthly rainfall in April in St Barthelemy (St Barthelemy (Gustavia))65
95 mm monthly rainfall in May in St Barthelemy (St Barthelemy (Gustavia))95
62 mm monthly rainfall in June in St Barthelemy (St Barthelemy (Gustavia))62
76 mm monthly rainfall in July in St Barthelemy (St Barthelemy (Gustavia))76
100 mm monthly rainfall in August in St Barthelemy (St Barthelemy (Gustavia))100
129 mm monthly rainfall in September in St Barthelemy (St Barthelemy (Gustavia))129
109 mm monthly rainfall in October in St Barthelemy (St Barthelemy (Gustavia))109
126 mm monthly rainfall in November in St Barthelemy (St Barthelemy (Gustavia))126
89 mm monthly rainfall in December in St Barthelemy (St Barthelemy (Gustavia))89

More climate for St Barthelemy

  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 Barthelemy (St Barthelemy (Gustavia))8
UV (maximum) index 10 (Very High) in February in St Barthelemy (St Barthelemy (Gustavia))10
UV (maximum) index 11+ (Extreme) in March in St Barthelemy (St Barthelemy (Gustavia))11
UV (maximum) index 11+ (Extreme) in April in St Barthelemy (St Barthelemy (Gustavia))11
UV (maximum) index 11+ (Extreme) in May in St Barthelemy (St Barthelemy (Gustavia))11
UV (maximum) index 11+ (Extreme) in June in St Barthelemy (St Barthelemy (Gustavia))11
UV (maximum) index 11+ (Extreme) in July in St Barthelemy (St Barthelemy (Gustavia))11
UV (maximum) index 11+ (Extreme) in August in St Barthelemy (St Barthelemy (Gustavia))11
UV (maximum) index 11+ (Extreme) in September in St Barthelemy (St Barthelemy (Gustavia))11
UV (maximum) index 10 (Very High) in October in St Barthelemy (St Barthelemy (Gustavia))10
UV (maximum) index 8 (Very High) in November in St Barthelemy (St Barthelemy (Gustavia))8
UV (maximum) index 7 (High) in December in St Barthelemy (St Barthelemy (Gustavia))7
Heat & Humidity
Moderate heat & humidity in January in St Barthelemy (St Barthelemy (Gustavia))M
Moderate heat & humidity in February in St Barthelemy (St Barthelemy (Gustavia))M
Moderate heat & humidity in March in St Barthelemy (St Barthelemy (Gustavia))M
High heat & humidity in April in St Barthelemy (St Barthelemy (Gustavia))H
High heat & humidity in May in St Barthelemy (St Barthelemy (Gustavia))H
High heat & humidity in June in St Barthelemy (St Barthelemy (Gustavia))H
High heat & humidity in July in St Barthelemy (St Barthelemy (Gustavia))H
Very high heat & humidity in August in St Barthelemy (St Barthelemy (Gustavia))VH
Very high heat & humidity in September in St Barthelemy (St Barthelemy (Gustavia))VH
High heat & humidity in October in St Barthelemy (St Barthelemy (Gustavia))H
High heat & humidity in November in St Barthelemy (St Barthelemy (Gustavia))H
Moderate heat & humidity in December in St Barthelemy (St Barthelemy (Gustavia))M

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

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

The climate guide for St Barthelemy 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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Metric (°C / mm)  |  Imperial (°F / inches)

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