Temperature
Warm by day, warm at night.
Cayman Islands is usually most comfortable from December to March. Typical daytime highs range from 78–84°F across the year. Rain varies by season.

Warm by day, warm at night.
Several rainy days. About 12 wet days this month.
Plenty of sun this month.
Very humid air is a major factor this month.
In November, afternoons feel about 80° and nights feel near 79°.
Partly cloudy skies this month.
Wind is more noticeable in November; open areas can feel blustery.
November stays around 80°F through the day and night.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 78 | 76 | 1.0 | 6 | 10.5 | 76 |
| Feb | 78 | 76 | 0.6 | 4 | 10.8 | 76 |
| Mar | 79 | 76 | 0.7 | 4 | 11.0 | 76 |
| Apr | 80 | 78 | 0.8 | 4 | 12.1 | 78 |
| May | 82 | 79 | 3.9 | 12 | 11.9 | 80 |
| Jun | 83 | 81 | 3.6 | 13 | 11.8 | 81 |
| Jul | 84 | 82 | 2.1 | 11 | 12.5 | 79 |
| Aug | 84 | 82 | 3.4 | 15 | 11.9 | 79 |
| Sep | 84 | 81 | 5.3 | 18 | 10.9 | 80 |
| Oct | 83 | 80 | 8.2 | 20 | 10.0 | 81 |
| Nov | 81 | 79 | 4.4 | 12 | 9.9 | 78 |
| Dec | 80 | 78 | 1.9 | 8 | 10.2 | 77 |
Similar climates
Want a side-by-side climate view? Compare Cayman Islands with Grand Turk.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 27, 2026
Data & methodology