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Grand Bahama weather in August

Weather in Grand Bahama: August

Average day temperature: 86.9°F
Average night temperature: 82.1°F
Sea water temperature: 86.3°F
Number of sunny days: 9 days
Day length: 12.7 - 13.4 hours
Number of rainy days: 9 days
Precipitation totals: 5.9 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 89°F. At the same time the lowest night temperature was 81°F. Daily and nightly averages during August were 87.1°F and 82.7°F.

Sea water temperature in Grand Bahama in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 87.4°F. The highest and lowest sea temperatures during the month were 89.6°F and 86.0°F.

Sunny, partly cloudy and cloudy days

Mostly all days in August are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in August, in.

Precipitation total value in Grand Bahama in August is 5.9 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 10.7 mph It makes August one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 7.2.

Best time for vacation in Grand Bahama

Sunniest months:
October 12 days
April 12 days
March 11 days
Warmest months:
August 86.9 °F
July 86.3 °F
September 85.5 °F
Warmest sea temp:
August 86.3 °F
July 85.7 °F
September 85.2 °F
Coldest months:
January 72.6 °F
February 74.3 °F
March 75.2 °F
Rainiest months:
August 9 days
July 8 days
June 7 days
Windiest months:
November 13.7 mph
January 13.3 mph
March 13.2 mph

Grand Bahama on a weather map

Grand Bahama
+70°F
SW 12 mph
Feels like: +70°F
Precip.: 0%
Places in Bahamas:
Name
°F
+75°F
+72°F
+70°F
+75°F
+70°F
+77°F
24 Hours Forecast
Grand Bahama
Local time: 21:39
December 05, friday
0000
68°F
W
11 mph
0300
68°F
W
11 mph
0600
68°F
NW
10 mph
0900
72°F
NW
9 mph
1200
73°F
N
11 mph
1500
75°F
N
10 mph
1800
75°F
N
9 mph
2100
75°F
N
6 mph
Units of measurement: °C / °F