George Town Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit George Town.
Climate overview of George Town
The climate in George Town, Grand Cayman, Cayman Islands, is remarkably consistent, with temperatures year-round averaging 29°C (84°F). The warmest month is August at 30°C (86°F), and the coolest is January at 27°C (81°F).
The city has a wet climate, receiving around 1060 mm (42 in) of rainfall per year. Despite the high annual total, it has a distinct dry season from January to April. October is the wettest month. The sunniest month is July, with 10.7 hours of sunshine per day on average.
George Town Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in George Town - and find the best time to visit.
Monthly Temperature in George Town
In George Town temperatures are generally consistent throughout the year. On average, daytime temperatures range from a very warm 30°C (86°F) in August to a comfortable 27°C (81°F) in January.
Nighttime temperatures range from 27°C (81°F) in August to 25°C (77°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in George Town
George Town experiences significant rainfall throughout the year, averaging 1060 mm (42 in) of precipitation annually. The seasons in George Town bring significant changes in precipitation. The wettest month, October, receives heavy rainfall, with an average of 224 mm (8.8 in) of precipitation. This rainfall is distributed across 17 rainy days.
In contrast, the driest month, February, experiences much less rainfall, totaling 23 mm (0.9 in) over 8 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our George Town 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 George Town
George Town enjoys sunny spells year-round. July sees up to 10.7 hours of daily sunshine, perfect for a sunny trip. November, the least sunny month, still offers a generous 7.0 hours of sun despite this cloudier time of the year.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Water Temperature in George Town
The mean water temperature over the year ranges from 27°C (81°F) in January to 30°C (86°F) in August.
Water temperature over the year
Humidity in George Town by Month
The relative humidity is high throughout the year in George Town.
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
Best Time to Visit George Town
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- 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
- Best for swimming: Any time of year. The sea stays pleasantly warm year-round.
- 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 George Town
What is the best time to visit George Town?
January, February, March, April and December typically offer the most optimal weather in George Town. In contrast, October tends to have less optimal conditions. George Town has a distinct dry season from January to April.
What temperatures can I expect in George Town?
Daytime highs range from 27°C (81°F) in January to 30°C (86°F) in August. Nighttime lows range from 25°C (77°F) to 27°C (81°F). Temperatures stay relatively stable year-round.
How much rain does George Town get?
Annual rainfall is around 1060 mm (42 in). October is the wettest month with 224 mm (8.8 in), while February is the driest with 23 mm (0.9 in).
How sunny is George Town?
George Town 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, George Town enjoys abundant sunshine.
George Town 3-Day Forecast
George Town 3-Day Forecast
George Town on the map
George Town is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
