Weather in Tonga in September

General weather information about Tonga

Average annual temperature is 19.2 °C

Absolute maximum temperature: 34.3 °C

Absolute minimum temperature: 5.2 °C

Number of sunny days: 150 days

Number of rainy days: 215 days

Look at detailed online map of Tonga

* Weather data for Tonga Madagascar is based on climate observations for 2026 year

Tonga air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)28.428.727.626.825.425.024.926.828.434.334.233.1
Average daytime temperature (°C)25.526.225.324.923.222.321.221.925.729.327.528.8
Average temperature (°C)20.921.020.519.717.716.015.416.518.321.421.222.4
Average night temperature (°C)18.116.917.516.213.711.211.112.611.415.416.317.7
Absolute minimum temperature (°C)16.214.115.413.910.85.27.510.19.49.413.513.6

Tonga monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)13.013.012.011.011.010.011.011.012.012.013.013.0
Daylight mean duration (h)13.312.812.211.611.110.810.911.412.012.613.213.4
Daylight minimum duration (h)13.012.011.011.010.010.010.011.011.012.012.013.0
Sunshine mean duration (h)8.19.68.79.69.69.89.28.711.111.110.611.3
Precipitation (mm)3331602136430063803749105
Sunny days161915271712301886
Rainy days3022302116314190132225
Snow days000000000000

Best time to visit Tonga:

The largest precipitation sum in Tonga is at

  • January — 333(mm)
  • February — 160(mm)
  • March — 213(mm)
  • Frequently asked questions

    When is the best time to visit Tonga?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Tonga.
    What is the weather like in Tonga?
    See average temperature, rainfall and daylight hours for Tonga by month in the table above.
    How many sunny days does Tonga have?
    The monthly weather statistics above show sunshine and rainfall patterns for Tonga throughout the year.