Average annual temperature is 22.6 °C
Absolute maximum temperature: 31.5 °C
Absolute minimum temperature: 9.0 °C
Number of sunny days: 99 days
Number of rainy days: 266 days
Look at detailed online map of Chatan
* Weather data for Chatan Japan is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 23.8 | 23.6 | 25.4 | 26.0 | 27.5 | 29.5 | 31.4 | 31.0 | 31.5 | 30.7 | 27.6 | 25.5 |
| Average daytime temperature (°C) | 18.3 | 19.7 | 21.0 | 23.3 | 24.8 | 27.7 | 30.2 | 29.2 | 29.9 | 27.6 | 24.0 | 20.9 |
| Average temperature (°C) | 16.4 | 17.8 | 18.8 | 21.1 | 22.9 | 26.0 | 28.2 | 27.2 | 27.5 | 24.9 | 21.6 | 18.8 |
| Average night temperature (°C) | 14.8 | 16.1 | 16.8 | 19.5 | 21.2 | 24.5 | 26.3 | 25.5 | 25.4 | 22.7 | 19.7 | 17.3 |
| Absolute minimum temperature (°C) | 9.0 | 12.4 | 11.5 | 14.0 | 16.0 | 21.8 | 24.6 | 24.2 | 23.1 | 18.6 | 16.7 | 12.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.7 | 11.3 | 12.0 | 12.8 | 13.4 | 13.8 | 13.6 | 13.0 | 12.3 | 11.5 | 10.9 | 10.5 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.1 | 6.9 | 8.1 | 8.9 | 8.9 | 8.9 | 11.6 | 9.4 | 10.6 | 9.9 | 8.7 | 5.3 |
| Precipitation (mm) | 71 | 48 | 115 | 88 | 167 | 300 | 122 | 700 | 86 | 61 | 60 | 271 |
| Sunny days | 19 | 9 | 5 | 11 | 9 | 4 | 1 | 3 | 0 | 16 | 12 | 10 |
| Rainy days | 12 | 19 | 26 | 19 | 22 | 26 | 30 | 28 | 30 | 15 | 18 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Chatan during the most sunny months:
The largest precipitation sum in Chatan is at