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.
Rain is frequent. About 14 wet days, more than in most months.
Cloudier spells limit sunshine.
In January, afternoons feel about 56° and nights feel near 55°.
Mostly cloudy skies this month.
Wind can affect exposed beach comfort.
January stays around 65°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