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Gun Bay Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Gun Bay.
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Climate overview of Gun Bay
Gun Bay, Grand Cayman, Cayman Islands, enjoys a steady climate throughout the year, with daytime temperatures typically around 29°C (84°F). August is the warmest month at 31°C (88°F), while January is the coolest at 27°C (81°F).
Rainfall is high, totalling around 1054 mm (41 in) per year. October is the wettest month and February the driest. The city also experiences a distinct dry season from January to April. The sunniest month is July, with 10.7 hours of sunshine per day on average.
Gun Bay Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Gun Bay - and find the best time to visit.
Monthly Temperature in Gun Bay
The temperature in Gun Bay remains steady throughout the year, providing a consistently very warm climate. Average maximum daytime temperatures range from a very warm 31°C (88°F) in August, the warmest time of the year, to a comfortable 27°C (81°F) during cooler months like January.
At night, you can expect temperatures ranging from 28°C (82°F) in August to around 25°C (77°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Gun Bay
Gun Bay has a relatively rainy climate with high precipitation levels, averaging 1054 mm (41 in) of rainfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, October it receives heavy rainfall, averaging 223 mm (8.8 in) of precipitation, recorded across 17 rainy days. In contrast, the driest month February brings less rainfall, with 24 mm (0.9 in) over 8 rainy days. For more details, please visit our Gun Bay Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Gun Bay
While the amount of sunshine in Gun Bay varies throughout the year, all seasons offer their own charm. Enjoy up to 10.7 hours of daily sun in July, and experience slightly darker atmosphere in November, with about 7.0 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Georgetown, Cayman Islands (29 KM, 18 Miles).
Daily hours of sunshine
Data from: Georgetown, Cayman Islands (29 KM, 18 Miles).
Humidity in Gun Bay by Month
The relative humidity is high throughout the year in Gun Bay.
The city experiences its highest humidity in September, reaching 79%. In March, the humidity drops to its lowest level at 75%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Georgetown, Cayman Islands (29 KM, 18 Miles).
Best Time to Visit Gun Bay
The most comfortable overall weather for exploring Gun Bay is usually found in January, February, March, April and December. Conditions are generally least comfortable in October.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
excellent
Feb
excellent
Mar
excellent
Apr
excellent
May
very good
Jun
mixed
Jul
good
Aug
good
Sep
mixed
Oct
very wet
Nov
very good
Dec
excellent
- Best overall: January, February, March, April and December
- Warmest weather: May, June, July, August, September and October
- Most sunshine: July
- Fewest rainy days: February, March and April
- Wettest months: August, September, October and November, when rainfall is highest.
- Seasonal pattern: A distinct dry season from January to April
Frequently asked questions about the climate in Gun Bay
What is the best time to visit Gun Bay?
January, February, March, April and December typically offer the most optimal weather in Gun Bay. In contrast, October tends to have less optimal conditions. Gun Bay has a distinct dry season from January to April.
What temperatures can I expect in Gun Bay?
Daytime highs range from 27°C (81°F) in January to 31°C (88°F) in August. Nighttime lows range from 25°C (77°F) to 28°C (82°F). Temperatures stay relatively stable year-round.
How much rain does Gun Bay get?
Annual rainfall is around 1054 mm (41 in). October is the wettest month with 223 mm (8.8 in), while February is the driest with 24 mm (0.9 in).
How sunny is Gun Bay?
Gun Bay receives around 3,050 hours of sunshine per year. July is the sunniest month with 322 hours, while November is the cloudiest with just 210 hours. Overall, Gun Bay enjoys abundant sunshine.
Gun Bay 3-Day Forecast
Gun Bay on the map
Gun Bay is highlighted - select any city to see its climate.
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