Temperature
Warm by day, warm at night.
Warm days and plenty of sun. Hurricane risk and humid air are the main drawbacks.

Warm by day, warm at night.
Several rainy days, mostly brief and on-and-off. About 12 wet days this month.
Plenty of sun this month.
Very humid air is a major factor this month.
In July, afternoons feel about 88° and nights feel near 86°.
Partly cloudy skies this month.
July's typical breeze keeps the air from feeling as stagnant.
July stays around 83°F through the day and night, with little temperature relief.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 79 | 76 | 1.1 | 7 | 10.5 | 76 | 80 |
| Feb | 79 | 77 | 0.6 | 5 | 10.8 | 76 | 80 |
| Mar | 79 | 77 | 0.8 | 5 | 11.0 | 76 | 80 |
| Apr | 80 | 78 | 0.8 | 5 | 12.0 | 78 | 81 |
| May | 82 | 79 | 3.3 | 12 | 11.9 | 80 | 83 |
| Jun | 83 | 80 | 4.4 | 14 | 11.7 | 82 | 84 |
| Jul | 84 | 81 | 2.5 | 12 | 12.4 | 80 | 85 |
| Aug | 85 | 82 | 3.6 | 15 | 11.8 | 80 | 86 |
| Sep | 84 | 81 | 5.5 | 18 | 10.8 | 80 | 86 |
| Oct | 83 | 80 | 8.3 | 20 | 9.9 | 81 | 85 |
| Nov | 81 | 79 | 5.1 | 14 | 9.9 | 78 | 83 |
| Dec | 80 | 78 | 2.0 | 10 | 10.2 | 77 | 82 |
Similar climates
Want a side-by-side climate view? Compare Grand Cayman 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: Jun 1, 2026
Data & methodology