St George's weather by month

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

Temperature
Rainfall
Sunshine & UV index

Temperature in St George's (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	29	29	29	30	30	30	30	30	30	30	30	29
Min temperature (night-time)	21	21	21	22	23	23	23	23	23	23	22	21
Heat & Humidity	H	H	H	H	H	H	H	H	H	H	H	H
Sea temperature	27	27	27	27	27	27	28	29	29	29	28	28

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

Sunshine & UV index in St George's

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	8	8	8	8	8	7	7	8	7	7	7	7
Daily hours of daylight	12	12	12	12	13	13	13	13	12	12	12	11
UV Index (Maximum)	10	11	11	11	11	11	11	11	11	11	10	9

Rainfall in St George's

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	14	9	10	7	13	17	20	18	17	17	20	18
Average monthly rainfall (mm)	78	57	59	58	76	155	203	195	186	207	182	138

More about St George's

St George's by month

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

Recommended for Grenada

TUI: Top deals & discounts on 2026/2027 holidays

Sale

Explore latest special offers & online deals from TUI
Free child places & £0 deposits with direct debit available
Book summer & winter sun holidays in 2026/2027

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

The climate guide for Grenada (St George'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 George's?

St George's has a hot tropical climate with a short dry season.

St George's weather in January

Expect daytime maximum temperatures of 29°C in St George's, Grenada in January and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 14 days with some rainfall and typically 78 mm of rainfall in the month.

29
29°C max day temperature
8
8 hours of sunshine per day
14
14 days with some rainfall
21
21°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
78
78 mm of monthly rainfall
10
10 (Very High) UV index
27
27°C sea temperature

Back to months

St George's weather in February

Expect daytime maximum temperatures of 29°C in St George's, Grenada in February and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 57 mm of rainfall in the month.

29
29°C max day temperature
8
8 hours of sunshine per day
9
9 days with some rainfall
21
21°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
57
57 mm of monthly rainfall
11
11+ (Extreme) UV index
27
27°C sea temperature

Back to months

St George's weather in March

Expect daytime maximum temperatures of 29°C in St George's, Grenada in March and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 10 days with some rainfall and typically 59 mm of rainfall in the month.

29
29°C max day temperature
8
8 hours of sunshine per day
10
10 days with some rainfall
21
21°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
59
59 mm of monthly rainfall
11
11+ (Extreme) UV index
27
27°C sea temperature

Back to months

St George's weather in April

Expect daytime maximum temperatures of 30°C in St George's, Grenada in April and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 58 mm of rainfall in the month.

30
30°C max day temperature
8
8 hours of sunshine per day
7
7 days with some rainfall
22
22°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
58
58 mm of monthly rainfall
11
11+ (Extreme) UV index
27
27°C sea temperature

Back to months

St George's weather in May

Expect daytime maximum temperatures of 30°C in St George's, Grenada in May and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 13 days with some rainfall and typically 76 mm of rainfall in the month.

30
30°C max day temperature
8
8 hours of sunshine per day
13
13 days with some rainfall
23
23°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
76
76 mm of monthly rainfall
11
11+ (Extreme) UV index
27
27°C sea temperature

Back to months

St George's weather in June

Expect daytime maximum temperatures of 30°C in St George's, Grenada in June and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 17 days with some rainfall and typically 155 mm of rainfall in the month.

30
30°C max day temperature
7
7 hours of sunshine per day
17
17 days with some rainfall
23
23°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
155
155 mm of monthly rainfall
11
11+ (Extreme) UV index
27
27°C sea temperature

Back to months

St George's weather in July

Expect daytime maximum temperatures of 30°C in St George's, Grenada in July and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 20 days with some rainfall and typically 203 mm of rainfall in the month.

30
30°C max day temperature
7
7 hours of sunshine per day
20
20 days with some rainfall
23
23°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
203
203 mm of monthly rainfall
11
11+ (Extreme) UV index
28
28°C sea temperature

Back to months

St George's weather in August

Expect daytime maximum temperatures of 30°C in St George's, Grenada in August and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 18 days with some rainfall and typically 195 mm of rainfall in the month.

30
30°C max day temperature
8
8 hours of sunshine per day
18
18 days with some rainfall
23
23°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
195
195 mm of monthly rainfall
11
11+ (Extreme) UV index
29
29°C sea temperature

Back to months

St George's weather in September

Expect daytime maximum temperatures of 30°C in St George's, Grenada in September and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 17 days with some rainfall and typically 186 mm of rainfall in the month.

30
30°C max day temperature
7
7 hours of sunshine per day
17
17 days with some rainfall
23
23°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
186
186 mm of monthly rainfall
11
11+ (Extreme) UV index
29
29°C sea temperature

Back to months

St George's weather in October

Expect daytime maximum temperatures of 30°C in St George's, Grenada in October and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 17 days with some rainfall and typically 207 mm of rainfall in the month.

30
30°C max day temperature
7
7 hours of sunshine per day
17
17 days with some rainfall
23
23°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
207
207 mm of monthly rainfall
11
11 (Extreme) UV index
29
29°C sea temperature

Back to months

St George's weather in November

Expect daytime maximum temperatures of 30°C in St George's, Grenada in November and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 20 days with some rainfall and typically 182 mm of rainfall in the month.

30
30°C max day temperature
7
7 hours of sunshine per day
20
20 days with some rainfall
22
22°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
182
182 mm of monthly rainfall
10
10 (Very High) UV index
28
28°C sea temperature

Back to months

St George's weather in December

Expect daytime maximum temperatures of 29°C in St George's, Grenada in December and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 18 days with some rainfall and typically 138 mm of rainfall in the month.

29
29°C max day temperature
7
7 hours of sunshine per day
18
18 days with some rainfall
21
21°C min night temperature
11
11 hours of daylight per day
H
High heat & humidity
138
138 mm of monthly rainfall
9
9 (Very High) UV index
28
28°C sea temperature

Back to months