Average annual temperature is 14.6 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: -11.5 °C
Number of sunny days: 168 days
Number of rainy days: 182 days
Number of snow days: 15 days
Look at detailed online map of Tonga
* Weather data for Tonga South Korea is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 16.9 | 13.5 | 24.3 | 25.9 | 30.2 | 35.6 | 32.3 | 34.6 | 30.9 | 23.9 | 25.7 | 19.4 |
| Average daytime temperature (°C) | 6.5 | 8.9 | 16.9 | 19.6 | 23.8 | 28.6 | 29.2 | 31.0 | 27.5 | 21.1 | 13.9 | 8.6 |
| Average temperature (°C) | 1.4 | 3.1 | 9.6 | 13.4 | 18.3 | 23.0 | 25.8 | 26.8 | 23.3 | 15.9 | 9.4 | 4.6 |
| Average night temperature (°C) | -2.9 | -1.2 | 4.2 | 8.3 | 13.8 | 19.0 | 23.4 | 23.5 | 20.1 | 11.6 | 5.2 | 1.1 |
| Absolute minimum temperature (°C) | -11.5 | -4.7 | -4.1 | 1.3 | 6.5 | 14.3 | 20.4 | 19.6 | 15.2 | 7.7 | -1.9 | -8.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.0 | 7.1 | 8.6 | 7.3 | 7.6 | 8.6 | 6.3 | 9.8 | 8.0 | 8.3 | 6.9 | 5.3 |
| Precipitation (mm) | 34 | 26 | 59 | 99 | 179 | 180 | 504 | 221 | 161 | 19 | 103 | 74 |
| Sunny days | 18 | 22 | 22 | 13 | 13 | 14 | 3 | 4 | 7 | 22 | 20 | 10 |
| Rainy days | 8 | 5 | 9 | 17 | 18 | 16 | 28 | 27 | 23 | 9 | 9 | 13 |
| Snow days | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 8 |
The best time to visit Tonga during the most sunny months:
The largest precipitation sum in Tonga is at