Cayman Islands climate
World Climates covers 1 place in the Cayman Islands. George Town has a tropical savanna (dry winter) climate (Köppen Aw).
Climate of George Town at a glance
The year average in George Town is 28 °C82 °F. The warmest month is August, with an average high of 30 °C86 °F. The coldest is January, with an average low of 25 °C77 °F. About 758 mm30 in of precipitation falls in a year. October is the wettest month and March the driest. By our comfort score, the best months to visit are November–May.
Frequently asked questions
How many places in the Cayman Islands does this site cover?
World Climates has climate data for one place in the Cayman Islands: George Town. Its page has monthly averages for temperature, rainfall, humidity and daylight.
What is the warmest month in George Town?
August is the warmest month, with an average high of 30 °C86 °F. January is the coldest, with an average low of 25 °C77 °F.
When does it rain the most in George Town?
October is the wettest month, with about 154 mm6.1 in of precipitation. The yearly total is about 758 mm30 in.
When is the best time to visit George Town?
By our comfort score, the most comfortable months are November–May. The score is based on long-term averages, not on a forecast.
Climate of every place in the Cayman Islands
| Place | Year | Max high | Min low | Precip. |
|---|---|---|---|---|
| George Town | 28 | 30 | 25 | 758 |
Year = annual mean temperature; max high = average high of the warmest month; min low = average low of the coldest month; precip. = annual total. Temperatures in °C°F, precipitation in mminches. Sorted by population.
Data: NASA POWER climatology 2001–2025 (MERRA-2 reanalysis, CERES satellite data) — grid-cell averages, not station records. Sources and method.