Nuku'alofa, Tonga Climate & Monthly Averages
The climate of Nuku'alofa
Located in Tonga, Nuku'alofa experiences a tropical rainforest climate with steady heat, high humidity and frequent downpours in every month. Afternoon temperatures peak near 82°F (28°C) in February and dip to about 74°F (23°C) in August, with around 76.9 inches (1952 mm) of precipitation falling across the year.
Climate quick facts
- Hottest month: February - highs near 82°F (28°C)
- Coldest month: August - highs near 74°F (23°C)
- Record high: 88°F (31°C) · Record low: 61°F (16°C) (2015–2024)
- Wettest month: February (24 rainy days) · Sunniest: November (11.3 h sun/day)
- Climate type: tropical rainforest - steady heat, high humidity and frequent downpours in every month
Temperatures through the year
The warmest stretch of the year centers on February. Highs average 82°F (28°C) and overnight lows stay near 77°F (25°C). The coolest month is August, with typical highs of 74°F (23°C) and lows around 69°F (21°C). Based on 2015–2024 weather data, temperatures have reached as high as 88°F (31°C) and dropped as low as 61°F (16°C).
Rain, sun and snow
February is usually the wettest month. It brings about 12.2 inches (310 mm) of rain over 24 days, while July is the driest. November brings the most sunshine, averaging 11.3 hours of sun a day.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 82° | 76° | 23 | 9.9 in | 10.4 h/day | 83% |
| February | 82° | 77° | 24 | 12.2 in | 10.1 h/day | 82% |
| March | 81° | 77° | 21 | 11.3 in | 9.1 h/day | 81% |
| April | 80° | 76° | 15 | 6.3 in | 9.5 h/day | 77% |
| May | 77° | 74° | 13 | 5.7 in | 9.1 h/day | 76% |
| June | 76° | 72° | 10 | 3.8 in | 9.0 h/day | 75% |
| July | 74° | 70° | 9 | 2.9 in | 9.1 h/day | 73% |
| August | 74° | 69° | 12 | 4.4 in | 9.0 h/day | 73% |
| September | 75° | 70° | 13 | 3.4 in | 9.5 h/day | 74% |
| October | 76° | 71° | 14 | 5.2 in | 10.0 h/day | 75% |
| November | 78° | 73° | 16 | 4.3 in | 11.3 h/day | 78% |
| December | 80° | 75° | 19 | 7.4 in | 11.3 h/day | 78% |
Nuku'alofa month by month
Nuku'alofa weather in January
January brings highs around 82°F (28°C), lows near 76°F (25°C), about 23 wet days.
Nuku'alofa weather in February
February brings highs around 82°F (28°C), lows near 77°F (25°C), about 24 wet days - typically the hottest month and the wettest month of the year in Nuku'alofa.
Nuku'alofa weather in March
March brings highs around 81°F (27°C), lows near 77°F (25°C), about 21 wet days.
Nuku'alofa weather in April
April brings highs around 80°F (27°C), lows near 76°F (24°C), about 15 wet days.
Nuku'alofa weather in May
May brings highs around 77°F (25°C), lows near 74°F (23°C), about 13 wet days.
Nuku'alofa weather in June
June brings highs around 76°F (24°C), lows near 72°F (22°C), about 10 wet days.
Nuku'alofa weather in July
July brings highs around 74°F (24°C), lows near 70°F (21°C), about 9 wet days - typically the driest month of the year in Nuku'alofa.
Nuku'alofa weather in August
August brings highs around 74°F (23°C), lows near 69°F (21°C), about 12 wet days - typically the coldest month of the year in Nuku'alofa.
Nuku'alofa weather in September
September brings highs around 75°F (24°C), lows near 70°F (21°C), about 13 wet days.
Nuku'alofa weather in October
October brings highs around 76°F (24°C), lows near 71°F (22°C), about 14 wet days.
Nuku'alofa weather in November
November brings highs around 78°F (26°C), lows near 73°F (23°C), about 16 wet days - typically the sunniest month of the year in Nuku'alofa.
Nuku'alofa weather in December
December brings highs around 80°F (27°C), lows near 75°F (24°C), about 19 wet days.
Seasons in Nuku'alofa
September through November
September through November in Nuku'alofa is mild and warm, with daytime highs averaging 76°F (25°C) and nights around 72°F (22°C); expect showers on roughly 43 days across the season.
December through February
December through February in Nuku'alofa is hot, with daytime highs averaging 81°F (27°C) and nights around 76°F (25°C); expect showers on roughly 66 days across the season.
March through May
March through May in Nuku'alofa is mild and warm, with daytime highs averaging 80°F (26°C) and nights around 75°F (24°C); expect showers on roughly 50 days across the season.
June through August
June through August in Nuku'alofa brings comfortable warmth, with daytime highs averaging 75°F (24°C) and nights around 71°F (21°C); expect showers on roughly 32 days across the season.
Climate questions, answered
What is the average temperature in Nuku'alofa?
Is Nuku'alofa hot in summer?
Is Nuku'alofa cold in winter?
How many rainy days does Nuku'alofa get in a year?
Best time to visit Nuku'alofa
The best time to visit Nuku'alofa is generally April to September, when these months combine the driest skies with the most comfortable heat. Daytime temperatures in that window typically sit near 76°F (24°C).
Pack for Nuku'alofa with a compact umbrella or rain shell - showers are a regular feature. Evenings can feel noticeably cooler than afternoons - February nights average 77°F (25°C).
Nuku'alofa temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.