Measurements:
°C
°F
St George's
82°F
W 16 mph
Feels like: 86°F
Precip: 100%
World Resorts Grenada St George's Weather

St George's Sea Water Temperature

Current Sea Water Temperature:
+86.6°F
Maximum Sea Water Temperature in December: 88.8°F
Minimum Sea Water Temperature in December: 83.8°F
Average water temperature in December: 86.1°F

Sea Water Temperature for the Last 10 Days:

December 04 86.6°F November 29 86.8°F
December 03 86.6°F November 28 86.8°F
December 02 86.4°F November 27 86.6°F
December 01 86.8°F November 26 86.6°F
November 30 86.8°F November 25 86.4°F

When is the Warmest Sea for St George's?

According to our data for the last three years for St George's the highest average sea water temperature was in September, October and August.

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for St George's was 89.8°F. The maximum and minimum values were 89.2°F and 90.6°F respectively.

Sea Water Temperature in October

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for St George's was 89.6°F. The maximum and minimum values were 88.2°F and 90.8°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for St George's was 88.7°F. The maximum and minimum values were 87.8°F and 90.0°F respectively.

Best Time to Visit St George's
The most sunny months:
September 8 days
March 6 days
August 6 days
The most warm months:
September 91.2 °F
August 90.6 °F
October 90.3 °F
Warmest sea temperature:
September 89.2 °F
October 88.6 °F
August 88.1 °F
The most cold months:
February 85.5 °F
January 85.9 °F
March 86.0 °F
The most rainy months:
August 9 days
November 8 days
October 7 days
The most windy months:
February 17 mph
June 17 mph
May 16 mph

St George's on the Weather Map

Grenada Resorts:
NAME
St George's +82
24 Hours Weather Forecast
St George's
Local time: 03:10
05 dec, friday
0600 82°F
W
17 mph
0900 84°F
W
17 mph
1200 86°F
W
17 mph
1500 86°F
W
16 mph
1800 82°F
W
17 mph
2100 82°F
W
17 mph
06 dec, saturday
0000 82°F
W
17 mph
0300 82°F
W
16 mph