Average annual temperature is 12.6 °C
Absolute maximum temperature: 37.8 °C
Absolute minimum temperature: -10.4 °C
Number of sunny days: 99 days
Number of rainy days: 235 days
Number of snow days: 31 days
Look at detailed online map of Nanyō
* Weather data for Nanyō 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) | 10.9 | 13.1 | 20.2 | 24.1 | 29.5 | 27.6 | 34.0 | 37.8 | 35.8 | 24.1 | 23.0 | 14.9 |
| Average daytime temperature (°C) | 3.2 | 3.8 | 12.8 | 16.6 | 19.7 | 23.9 | 28.6 | 33.7 | 28.1 | 18.4 | 13.2 | 7.1 |
| Average temperature (°C) | -0.6 | -0.1 | 6.3 | 10.5 | 14.3 | 19.6 | 24.0 | 27.7 | 23.2 | 13.4 | 8.6 | 3.2 |
| Average night temperature (°C) | -4.0 | -3.8 | 1.0 | 5.6 | 9.4 | 15.9 | 20.2 | 22.9 | 19.8 | 9.7 | 5.2 | -0.1 |
| Absolute minimum temperature (°C) | -10.4 | -9.8 | -5.7 | -0.6 | 1.5 | 10.6 | 16.1 | 20.7 | 12.7 | 5.8 | -0.6 | -5.1 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.7 | 6.1 | 8.4 | 8.9 | 8.6 | 8.0 | 9.6 | 11.9 | 7.8 | 8.4 | 6.5 | 4.2 |
| Precipitation (mm) | 77 | 109 | 65 | 73 | 145 | 184 | 120 | 25 | 173 | 79 | 164 | 133 |
| Sunny days | 1 | 5 | 15 | 14 | 11 | 6 | 8 | 10 | 6 | 10 | 9 | 4 |
| Rainy days | 15 | 11 | 16 | 16 | 20 | 24 | 23 | 21 | 24 | 21 | 21 | 23 |
| Snow days | 15 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The best time to visit Nanyō during the most sunny months:
The largest precipitation sum in Nanyō is at