George Town weather in August

George Town, Cayman Islands
Photo: rh43 · CC BY 3.0

August in George Town: hot, rainy, with clean air — an excellent time to visit.

#10 of 12 months in George Town · #398 of 897 destinations to visit in August · comfort 83/100 (tier A)

Updated June 2026 · climate normals from ERA5 reanalysis

Traveller notes on George Town in August

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George Town climate normals — August

Daytime high30°C / 87°F🥵 hot
Nighttime low28°C / 82°F
Rainfall105 mm / 4.1 in🌧 rainy
Rainy days14 days
Humidity76%💦 very humid
Dew point24°C / 76°F
Sunshine11 h/day
Daylight12.8 h
Wind24 km/h / 15 mph
Air quality (US AQI)45🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

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George Town in August — FAQ

Is August a good time to visit George Town?
August in George Town: hot, rainy, with clean air — an excellent time to visit. It ranks #10 of 12 months for George Town on SeasonMap's comfort score (83/100).
What is the weather like in George Town in August?
In August, George Town averages a daily high of 30.3°C and a low of 27.7°C, with about 105.3 mm of rain over roughly 14.2 rainy days.
What is the air quality in George Town in August?
George Town has a mean US Air Quality Index of about 45 in August.

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