Temperature
Pleasant by day, mild at night.
Mild days and plenty of sun. Wind on exposed beaches is the main drawback.
Pleasant by day, mild at night.
Several rainy days. About 10 wet days, the lowest monthly average.
A mix of sunshine and cloud.
In April, afternoons feel about 60° and nights feel near 59°.
Partly cloudy skies this month.
Wind can affect exposed beach comfort.
April stays around 66°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