Get Exclusive App Deals

Tonga

Travel Info

Tonga Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Tonga year round climate

  • Spring (September–November): Average 24.7–25.9°C, mild and comfortable climate, moderate rainfall. Popular activities: snorkeling, diving, enjoying beautiful seascapes. Recommended clothing: light short-sleeved clothing, and a light jacket for evenings or cooler areas.
  • Summer (December–February): Average 27.1–27.5°C, hot and humid, higher rainfall, especially the highest in March. Popular activities: swimming, surfing, enjoying the sun and beach. Recommended clothing: light and breathable short-sleeved clothing, swimwear, sun hat, and sunglasses.
  • Autumn (March–May): Average 25.9–27.2°C, the climate gradually cools down, rainfall gradually decreases from the peak in March. Popular activities: exploring island culture, observing wildlife, enjoying outdoor activities. Recommended clothing: light and breathable clothing, a light jacket can be brought as a spare.
  • Winter (June–August): Average 23.8–24.9°C, relatively cool and dry climate, least rainfall. Popular activities: windsurfing, boating, hiking. Recommended clothing: light long-sleeved clothing, clothing can be added or removed according to the night temperature.

Tonga climatological average

Annual average temperature: approx. 26°C / Annual rainfall: approx. 1830 mm / Summer humidity: 75%–85% / Rainiest month: March

Tonga monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
27.5°C
261
February
27.5°C
304.7
March
27.3°C
418.5
April
27.2°C
104.9
May
25.9°C
133.9
June
24.9°C
80.6
July
24.1°C
42.7
August
23.8°C
66.3
September
24.7°C
36.5
October
24.8°C
134.5
November
25.9°C
138.4
December
27.1°C
108.8

Tonga weather for the next seven days

10/10
Saturday
Sunny
23°C/22.4°C
10/11
Sunday
Patchy rain nearby
22.9°C/22.5°C
10/12
Monday
Patchy rain nearby
22.9°C/22.2°C
10/13
Tuesday
Patchy rain nearby
22.9°C/22.1°C
10/14
Wednesday
Patchy rain nearby
23.2°C/22.5°C
10/15
Thursday
Patchy rain nearby
23.1°C/22.8°C
10/16
Friday
Sunny
23.4°C/22.9°C