Average annual temperature is 8.9 °C
Absolute maximum temperature: 33.8 °C
Absolute minimum temperature: -21.2 °C
Number of sunny days: 150 days
Number of rainy days: 178 days
Number of snow days: 37 days
Look at detailed online map of Nansei
* Weather data for Nansei 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) | 5.8 | 9.0 | 16.8 | 18.0 | 25.1 | 28.0 | 33.8 | 33.2 | 31.1 | 23.7 | 19.7 | 10.4 |
| Average daytime temperature (°C) | -3.3 | -1.3 | 7.8 | 13.1 | 18.1 | 22.5 | 27.2 | 27.9 | 24.8 | 16.8 | 9.9 | 0.7 |
| Average temperature (°C) | -8.3 | -5.9 | 2.1 | 8.1 | 12.4 | 17.3 | 22.2 | 23.9 | 20.1 | 11.8 | 5.4 | -3.6 |
| Average night temperature (°C) | -13.2 | -11.1 | -3.2 | 3.7 | 7.5 | 13.2 | 18.4 | 20.8 | 16.7 | 7.8 | 1.4 | -7.0 |
| Absolute minimum temperature (°C) | -21.2 | -18.9 | -10.1 | -3.6 | 1.7 | 6.0 | 13.6 | 16.2 | 11.0 | 2.2 | -8.6 | -13.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.4 | 7.6 | 8.4 | 8.5 | 9.6 | 8.7 | 9.3 | 6.9 | 7.2 | 7.9 | 6.6 | 6.3 |
| Precipitation (mm) | 27 | 46 | 80 | 157 | 57 | 115 | 77 | 105 | 188 | 115 | 128 | 41 |
| Sunny days | 20 | 12 | 17 | 11 | 13 | 10 | 16 | 3 | 6 | 12 | 13 | 17 |
| Rainy days | 2 | 3 | 9 | 19 | 18 | 20 | 15 | 28 | 24 | 19 | 15 | 6 |
| Snow days | 9 | 13 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 8 |
Months with the longest average daylight duration in Nansei:
The largest precipitation sum in Nansei is at