Tonga
Tonga Weather & Climate: Monthly Averages
Monthly climate averages for Tonga, temperatures, rainfall and the best time to visit.
Tonga
Climate overview of Tonga
Temperatures in Tonga are fairly constant. During the day the thermometer goes towards 30°C (86°F) throughout the year. In the dry period May to October the temperature is a few degrees lower with daytime averages of 26°C (79°F). Due to the warm sea water, temperatures drop only a few degrees at night.
Popular cities by month
Compare cities per month. Toggle cities on/off.
Nuku‘alofa
Neiafu
Utungake
Lotofoa
Kanokupolu
Uoleva Island
Day temperature (°C)
Monthly rainfall (mm)
Climate map
Average daily temperature, monthly rainfall & sunshine hours across cities.
Avg day temp (°C)
0°
32°
Regional climate differences
Explore the climate diversity across Tonga.
Tongatapu Island
22°C (72°F) – 28°C (82°F)
1761 mm (69 in)
/ year
Based on Nuku‘alofa
Vavaʻu Island
23°C (73°F) – 29°C (84°F)
1867 mm (74 in)
/ year
Based on Neiafu
Foa Island
23°C (73°F) – 29°C (84°F)
1748 mm (69 in)
/ year
Based on Lotofoa
Haʻapai archipelago
22°C (72°F) – 29°C (84°F)
1737 mm (68 in)
/ year
Based on Uoleva Island
Compare popular cities
Average daytime and nighttime temperatures, yearly rainfall and sunshine.
| Nuku‘alofa | 24°C (75°F) – 28°C (82°F) | 22°C (72°F) – 26°C (79°F) | 1761 mm (69 in) | — |
| Neiafu | 26°C (79°F) – 29°C (84°F) | 23°C (73°F) – 26°C (79°F) | 1867 mm (74 in) | — |
| Utungake | 26°C (79°F) – 29°C (84°F) | 23°C (73°F) – 26°C (79°F) | 1865 mm (73 in) | — |
| Lotofoa | 25°C (77°F) – 29°C (84°F) | 23°C (73°F) – 26°C (79°F) | 1748 mm (69 in) | — |
| Kanokupolu | 24°C (75°F) – 28°C (82°F) | 22°C (72°F) – 26°C (79°F) | 1757 mm (69 in) | — |
| Uoleva Island | 25°C (77°F) – 29°C (84°F) | 22°C (72°F) – 26°C (79°F) | 1737 mm (68 in) | — |
FAQ
What is the best time to visit Tonga?
The warmest month in Neiafu is March, with daytime highs of 29°C (84°F). Nuku‘alofa is the sunniest destination, with 0 hours of sunshine in January. Explore Tonga weather by month for a detailed breakdown.
What temperatures can I expect in Tonga?
Neiafu is the warmest destination, reaching 29°C (84°F) in March with nights around 26°C (79°F). Nuku‘alofa is the coolest, with August daytime highs of just 24°C (75°F) and nights dropping to 22°C (72°F). Temperatures are relatively stable throughout the year. See the city comparison for a full overview.
How much rain does Tonga get?
Rainfall varies across Tonga. Neiafu is the wettest, receiving 1867 mm (74 in) per year, with February the wettest month at 265 mm (10 in). Neiafu is the driest at 1867 mm (74 in) per year. Use the climate map to explore rainfall patterns across regions.
How sunny is Tonga?
Nuku‘alofa is the sunniest destination in Tonga, enjoying 0 hours of sunshine per year, with January the brightest month at 0 hours. Overcast skies are common, especially during winter months. Compare sunshine across cities in the charts above.
What is the climate like across Tonga?
Nuku‘alofa has warm summers reaching 28°C (82°F) in February and warm winters dropping to 24°C (75°F), with 0 hours of sunshine and 1761 mm (69 in) of rain per year. Neiafu has warm summers reaching 29°C (84°F) in March and warm winters dropping to 26°C (79°F), with 0 hours of sunshine and 1867 mm (74 in) of rain per year. Utungake has warm summers reaching 29°C (84°F) in February and warm winters dropping to 26°C (79°F), with 0 hours of sunshine and 1865 mm (73 in) of rain per year. Explore the climate charts and comparison table for more cities.
Places in Tonga
Select a city to see its average temperature, precipitation and hours of sunshine over the year.
Popular cities
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Nearby countries
Australia
New Zealand
French Polynesia
Fiji
Papua New Guinea
Cook IslandsTravel inspiration
Must-visit destinations and experiences across Tonga.
