Temperature
Pleasant by day, mild at night.
Mild days and some sun. Wind on exposed beaches is the main drawback.
Pleasant by day, mild at night.
Several rainy days. About 11 wet days, fewer than in most months.
A mix of sunshine and cloud.
In December, days and nights feel about the same, around 60°.
Mostly cloudy skies this month.
Wind can affect exposed beach comfort.
December stays around 68°F through the day and night.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 67 | 63 | 4.3 | 14 | 7.3 | 71 | 70 |
| Feb | 67 | 63 | 3.9 | 12 | 8.3 | 72 | 69 |
| Mar | 66 | 62 | 4.2 | 12 | 9.3 | 72 | 68 |
| Apr | 68 | 65 | 3.2 | 10 | 10.9 | 75 | 69 |
| May | 71 | 69 | 3.6 | 10 | 11.5 | 80 | 72 |
| Jun | 76 | 74 | 4.1 | 12 | 11.8 | 82 | 77 |
| Jul | 80 | 78 | 4.2 | 15 | 12.2 | 82 | 81 |
| Aug | 81 | 78 | 5.0 | 17 | 11.9 | 81 | 83 |
| Sep | 80 | 77 | 5.6 | 15 | 10.8 | 79 | 82 |
| Oct | 77 | 74 | 5.6 | 14 | 9.1 | 75 | 79 |
| Nov | 73 | 69 | 4.0 | 12 | 8.4 | 71 | 76 |
| Dec | 69 | 66 | 3.6 | 11 | 7.5 | 71 | 73 |
Similar climates
Want a side-by-side climate view? Compare Hamilton with St. Lucia.
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