Average annual temperature is 15.8 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: -5.1 °C
Number of sunny days: 101 days
Number of rainy days: 253 days
Number of snow days: 11 days
Look at detailed online map of Unnan
* Weather data for Unnan 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) | 15.8 | 15.3 | 24.8 | 25.1 | 28.4 | 31.2 | 35.0 | 35.9 | 31.7 | 25.3 | 25.8 | 20.2 |
| Average daytime temperature (°C) | 7.5 | 8.6 | 15.9 | 18.0 | 22.6 | 26.5 | 31.0 | 32.4 | 28.2 | 21.1 | 16.5 | 10.9 |
| Average temperature (°C) | 4.4 | 4.9 | 10.5 | 13.5 | 17.8 | 22.2 | 26.8 | 28.0 | 24.3 | 16.4 | 12.2 | 7.4 |
| Average night temperature (°C) | 1.9 | 1.7 | 6.1 | 9.7 | 14.0 | 18.9 | 23.5 | 24.8 | 21.4 | 12.7 | 8.6 | 4.5 |
| Absolute minimum temperature (°C) | -5.1 | -4.6 | -1.3 | 4.1 | 7.0 | 14.1 | 19.2 | 22.2 | 17.7 | 7.4 | 1.4 | -1.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 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 | 14.3 | 13.5 | 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) | 5.0 | 5.5 | 8.0 | 7.6 | 8.5 | 7.6 | 9.1 | 9.6 | 7.8 | 8.4 | 6.3 | 5.1 |
| Precipitation (mm) | 125 | 113 | 91 | 190 | 285 | 136 | 187 | 210 | 156 | 33 | 101 | 119 |
| Sunny days | 5 | 6 | 15 | 13 | 14 | 9 | 5 | 2 | 2 | 13 | 11 | 6 |
| Rainy days | 21 | 18 | 16 | 17 | 17 | 21 | 26 | 29 | 28 | 18 | 19 | 23 |
| Snow days | 5 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Unnan during the most sunny months:
The largest precipitation sum in Unnan is at