Temperature
Pleasant by day, mild at night.
Mild days and some sun. Wind on open waterfronts and rooftops is the main drawback.

Pleasant by day, mild at night.
Several rainy days. About 9 wet days, fewer than in most months.
A mix of sunshine and cloud.
Humidity is noticeable this month.
In September, afternoons feel about 69° and nights feel near 68°.
Mostly cloudy skies this month.
Wind is more noticeable in September; open areas can feel blustery.
September stays around 73°F through the day and night.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 80 | 78 | 9.3 | 17 | 10.7 | 82 |
| Feb | 81 | 78 | 9.5 | 18 | 10.3 | 82 |
| Mar | 80 | 78 | 10.6 | 20 | 9.9 | 82 |
| Apr | 79 | 77 | 7.0 | 14 | 9.6 | 78 |
| May | 77 | 75 | 4.6 | 11 | 9.3 | 75 |
| Jun | 75 | 73 | 4.3 | 9 | 8.8 | 73 |
| Jul | 73 | 71 | 3.7 | 8 | 8.8 | 72 |
| Aug | 73 | 71 | 4.1 | 9 | 9.0 | 73 |
| Sep | 73 | 71 | 4.1 | 9 | 9.7 | 75 |
| Oct | 74 | 73 | 4.4 | 10 | 10.4 | 76 |
| Nov | 76 | 74 | 4.6 | 10 | 11.2 | 78 |
| Dec | 78 | 76 | 5.0 | 13 | 11.5 | 79 |
Similar climates
Want a side-by-side climate view? Compare Nukuʻalofa with Rio de Janeiro.
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: Aug 3, 2026
Data & methodology