Castries weather by month

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

Temperature in Castries (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
82°F maximum daytime temperature in January in Castries82
82°F maximum daytime temperature in February in Castries82
84°F maximum daytime temperature in March in Castries84
84°F maximum daytime temperature in April in Castries84
86°F maximum daytime temperature in May in Castries86
86°F maximum daytime temperature in June in Castries86
86°F maximum daytime temperature in July in Castries86
86°F maximum daytime temperature in August in Castries86
86°F maximum daytime temperature in September in Castries86
86°F maximum daytime temperature in October in Castries86
84°F maximum daytime temperature in November in Castries84
84°F maximum daytime temperature in December in Castries84
Min temperature (night-time)
72°F minimum night-time temperature in January in Castries72
72°F minimum night-time temperature in February in Castries72
72°F minimum night-time temperature in March in Castries72
73°F minimum night-time temperature in April in Castries73
75°F minimum night-time temperature in May in Castries75
75°F minimum night-time temperature in June in Castries75
77°F minimum night-time temperature in July in Castries77
75°F minimum night-time temperature in August in Castries75
75°F minimum night-time temperature in September in Castries75
75°F minimum night-time temperature in October in Castries75
73°F minimum night-time temperature in November in Castries73
73°F minimum night-time temperature in December in Castries73
Heat & Humidity
Moderate heat & humidity in January in CastriesM
Moderate heat & humidity in February in CastriesM
Moderate heat & humidity in March in CastriesM
High heat & humidity in April in CastriesH
High heat & humidity in May in CastriesH
High heat & humidity in June in CastriesH
High heat & humidity in July in CastriesH
Very high heat & humidity in August in CastriesVH
Very high heat & humidity in September in CastriesVH
High heat & humidity in October in CastriesH
High heat & humidity in November in CastriesH
Moderate heat & humidity in December in CastriesM
Sea temperature
81°F sea temperature in January in Castries81
79°F sea temperature in February in Castries79
81°F sea temperature in March in Castries81
81°F sea temperature in April in Castries81
82°F sea temperature in May in Castries82
82°F sea temperature in June in Castries82
82°F sea temperature in July in Castries82
84°F sea temperature in August in Castries84
84°F sea temperature in September in Castries84
84°F sea temperature in October in Castries84
82°F sea temperature in November in Castries82
82°F sea temperature in December in Castries82

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

Sunshine & Daylight in Castries

  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 Castries11
12 hours of daylight per day in February in Castries12
12 hours of daylight per day in March in Castries12
12 hours of daylight per day in April in Castries12
13 hours of daylight per day in May in Castries13
13 hours of daylight per day in June in Castries13
13 hours of daylight per day in July in Castries13
13 hours of daylight per day in August in Castries13
12 hours of daylight per day in September in Castries12
12 hours of daylight per day in October in Castries12
11 hours of daylight per day in November in Castries11
11 hours of daylight per day in December in Castries11
UV Index (Maximum)
UV (maximum) index 9 (Very High) in January in Castries9
UV (maximum) index 11 (Extreme) in February in Castries11
UV (maximum) index 11+ (Extreme) in March in Castries11
UV (maximum) index 11+ (Extreme) in April in Castries11
UV (maximum) index 11+ (Extreme) in May in Castries11
UV (maximum) index 11+ (Extreme) in June in Castries11
UV (maximum) index 11+ (Extreme) in July in Castries11
UV (maximum) index 11+ (Extreme) in August in Castries11
UV (maximum) index 11+ (Extreme) in September in Castries11
UV (maximum) index 11 (Extreme) in October in Castries11
UV (maximum) index 9 (Very High) in November in Castries9
UV (maximum) index 8 (Very High) in December in Castries8

Rainfall in Castries

  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 Castries17
13 days with some rainfall in February in Castries13
13 days with some rainfall in March in Castries13
11 days with some rainfall in April in Castries11
15 days with some rainfall in May in Castries15
19 days with some rainfall in June in Castries19
21 days with some rainfall in July in Castries21
20 days with some rainfall in August in Castries20
25 days with some rainfall in September in Castries25
18 days with some rainfall in October in Castries18
19 days with some rainfall in November in Castries19
18 days with some rainfall in December in Castries18
Average monthly rainfall (inches)
4.4 inches monthly rainfall in January in Castries4.4
3.4 inches monthly rainfall in February in Castries3.4
3.0 inches monthly rainfall in March in Castries3.0
3.8 inches monthly rainfall in April in Castries3.8
4.9 inches monthly rainfall in May in Castries4.9
7.2 inches monthly rainfall in June in Castries7.2
9.6 inches monthly rainfall in July in Castries9.6
8.5 inches monthly rainfall in August in Castries8.5
8.8 inches monthly rainfall in September in Castries8.8
10.6 inches monthly rainfall in October in Castries10.6
10.0 inches monthly rainfall in November in Castries10.0
5.9 inches monthly rainfall in December in Castries5.9

More about Castries

Castries by month

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

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The climate guide for St Lucia (Castries) 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 Castries?

Castries has a hot tropical climate with no dry season.

Metric (°C)  |  Imperial (°F)

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Tropical storm risk: Castries, St Lucia hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
1%
2.4%
3.6%
1.8%
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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More about St Lucia

Compare Castries with the USA

Below the Castries chart shows average maximum daytime temperature for Castries, St Lucia and the USA (Washington).

Maximum daytime temperature (°F)

Castries, St Lucia
USA (Washington)
82
41
82
45
84
55
84
66
86
75
86
84
86
88
86
86
86
79
86
68
84
57
84
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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