Cayman Islands climate by month
8-year averages · when to visit| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grand Cayman | 81° | 82° | 82° | 84° | 86° | 86° | 88° | 88° | 88° | 86° | 84° | 82° |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grand Cayman | 14 | 16 | 19 | 17 | 21 | 21 | 20 | 18 | 22 | 22 | 18 | 16 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grand Cayman | 82° | 81° | 82° | 82° | 84° | 85° | 86° | 87° | 88° | 86° | 84° | 83° |
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
Grand Cayman climate in December
8-year averages · when to visitBest months: January–December · December: Perfect
| November | December | January | |
|---|---|---|---|
| Average temperature | → 81°F | 81°F | ▼ 79°F |
| Typical high | ▼ 84°F | 82°F | ▼ 81°F |
| Typical low | ▼ 79°F | 77°F | ▼ 75°F |
| Water temperature | ▼ 84°F | 83°F | ▼ 82°F |
| Precipitation | ▼ 4.6 in | 1.9 in | ▼ 1.6 in |
| Wet days | ▼ 18 d | 16 d | ▼ 14 d |
| Sunshine per day | ▲ 9.7 h | 10.2 h | ▲ 10.5 h |
| Cloud cover | ▼ 13% | 7% | ▼ 5% |
| Midday UV | ▼ 8 | 7 | → 7 |
| Daylight | 11:13 | 10:59 | 11:07 |
| Our take | Good | Perfect | Perfect |
December temperatures day by day daily mean + smoothed trend · °F
December precipitation day by day in
December UV day by day clear-sky midday value
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
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Updated: 12:33 AM
Cayman Islands · 6 weather points · Climate reference: Grand Cayman (19.29°N, 81.37°W) · America/Cayman