Tonga Weather
🇹🇴 1 city covered · Oceania
· tropical rainforest climate
Best time to visit
April to September
Weather in Tonga at a glance
Our Tonga coverage centers on Nuku'alofa, which has a tropical rainforest climate. Expect average highs around 82°F (28°C) in February and 74°F (23°C) in August, with about 190 days of measurable precipitation a year.
Quick facts
- Covered city: Nuku'alofa - annual average 76°
- Best time to visit: April to September
- Climate type: tropical rainforest
The bigger picture
Nuku'alofa averages 9.8 hours of sunshine per day and roughly 1952 mm (76.9 inches) of precipitation annually. The most comfortable window is generally April to September. See the full month-by-month breakdown on the Nuku'alofa climate page.
Live weather across Tonga today
Tonga cities compared
| City | Annual avg | Hottest month | Coldest month | Rainy days/yr | Sun h/day | Snowy days/yr |
|---|---|---|---|---|---|---|
| Nuku'alofa | 76° | Feb · 82° | Aug · 69° | 190 | 9.8 | 0 |
Tonga weather by month
| Month | Avg high | Avg low | Rainy days | Sunshine |
|---|---|---|---|---|
| January | 82° | 76° | 23 | 10.4 h/day |
| February | 82° | 77° | 24 | 10.1 h/day |
| March | 81° | 77° | 21 | 9.1 h/day |
| April | 80° | 76° | 15 | 9.5 h/day |
| May | 77° | 74° | 13 | 9.1 h/day |
| June | 76° | 72° | 10 | 9.0 h/day |
| July | 74° | 70° | 9 | 9.1 h/day |
| August | 74° | 69° | 12 | 9.0 h/day |
| September | 75° | 70° | 13 | 9.5 h/day |
| October | 76° | 71° | 14 | 10.0 h/day |
| November | 78° | 73° | 16 | 11.3 h/day |
| December | 80° | 75° | 19 | 11.3 h/day |
Tonga weather FAQs
When is the best time to visit Tonga?
Averaged across the covered cities, April to September offers the most comfortable combination of temperatures, drier days and daylight. Coastal, mountain and desert areas can differ - check each city's climate page for specifics.
Does it snow in Tonga?
Snow is essentially absent in the Tonga cities we cover - the 2015–2024 record shows no regular measurable snowfall.
What is the climate of Tonga like?
The covered cities fall under tropical rainforest climate. That means steady heat, high humidity and rain spread through every month.