Climate of Tongatapu, Tonga
Area-weighted average across Tongatapu. For where people actually live and travel, see the cities below.
Tongatapu, a subdivision of Tonga, has a tropical climate on average. Area-weighted monthly temperatures across the whole territory range from 21.4°C / 70.5°F in August to 26.4°C / 79.5°F in February, with rainfall from 96 mm / 3.8 in to 228 mm / 9 in depending on the season (1808 mm / 71.2 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 26°C78.8°F | 197 mm7.8″ | Tropical |
| February | 26.4°C79.5°F | 211 mm8.3″ | Tropical |
| March | 26.2°C79.2°F | 228 mm9″ | Tropical |
| April | 25.1°C77.2°F | 184 mm7.2″ | Tropical |
| May | 23.4°C74.1°F | 128 mm5″ | Tropical |
| June | 22.6°C72.7°F | 96 mm3.8″ | Tropical |
| July | 21.6°C70.9°F | 96 mm3.8″ | — |
| August | 21.4°C70.5°F | 107 mm4.2″ | — |
| September | 21.9°C71.4°F | 118 mm4.6″ | — |
| October | 22.7°C72.9°F | 130 mm5.1″ | Tropical |
| November | 24°C75.2°F | 134 mm5.3″ | Tropical |
| December | 25.1°C77.2°F | 179 mm7″ | Tropical |
Frequently asked questions
What is the best time to visit Tongatapu?
Tongatapu, Tonga does not have a clear sunny-and-dry window by our cutoffs. The warmest month is February at 26.4°C / 79.5°F, and the driest is June at 96 mm / 3.8 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Tongatapu?
Tongatapu, Tonga has area-weighted monthly average temperatures ranging from 21.4°C / 70.5°F in August to 26.4°C / 79.5°F in February. Annual rainfall averages about 1808 mm / 71.2 in, with the wettest month being March (228 mm / 9 in) and the driest June (96 mm / 3.8 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Tongatapu?
The hottest month in Tongatapu is February, with an area-wide average temperature of 26.4°C / 79.5°F.
What is the coldest month in Tongatapu?
The coldest month in Tongatapu is August, with an area-wide average temperature of 21.4°C / 70.5°F.
When does it rain most in Tongatapu?
The wettest month in Tongatapu is March, averaging about 228 mm / 9 in of rainfall. The driest is June with about 96 mm / 3.8 in.