Average annual temperature is 23.5 °C
Absolute maximum temperature: 30.1 °C
Absolute minimum temperature: 11.4 °C
Number of sunny days: 122 days
Number of rainy days: 243 days
Look at detailed online map of Ritchō
* Weather data for Ritchō 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) | 23.5 | 22.8 | 23.6 | 24.2 | 25.9 | 28.1 | 30.1 | 30.0 | 29.9 | 29.6 | 26.8 | 25.4 |
| Average daytime temperature (°C) | 19.1 | 19.9 | 20.6 | 22.5 | 23.8 | 26.4 | 29.1 | 28.7 | 29.0 | 26.9 | 23.9 | 21.5 |
| Average temperature (°C) | 17.9 | 18.8 | 19.7 | 21.7 | 23.2 | 25.8 | 28.5 | 28.0 | 28.3 | 26.0 | 23.0 | 20.4 |
| Average night temperature (°C) | 16.9 | 17.8 | 18.6 | 20.9 | 22.6 | 25.1 | 27.7 | 27.2 | 27.3 | 25.1 | 21.9 | 19.3 |
| Absolute minimum temperature (°C) | 11.4 | 15.1 | 14.8 | 17.3 | 20.7 | 22.6 | 26.1 | 26.2 | 25.7 | 22.5 | 18.9 | 14.3 |
| 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 | 11.2 | 12.0 | 12.8 | 13.5 | 13.8 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 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) | 6.3 | 6.3 | 7.6 | 8.8 | 8.8 | 8.5 | 11.4 | 9.3 | 10.7 | 9.7 | 8.7 | 5.6 |
| Precipitation (mm) | 63 | 94 | 161 | 110 | 118 | 292 | 97 | 386 | 100 | 78 | 33 | 155 |
| Sunny days | 15 | 9 | 7 | 13 | 16 | 10 | 8 | 8 | 4 | 13 | 9 | 10 |
| Rainy days | 16 | 19 | 24 | 17 | 15 | 20 | 23 | 23 | 26 | 18 | 21 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Ritchō during the most sunny months:
The largest precipitation sum in Ritchō is at