Average annual temperature is 16.5 °C
Absolute maximum temperature: 34.0 °C
Absolute minimum temperature: -2.9 °C
Number of sunny days: 153 days
Number of rainy days: 209 days
Number of snow days: 3 days
Look at detailed online map of Hannan
* Weather data for Hannan 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) | 17.2 | 15.2 | 19.8 | 22.8 | 25.9 | 29.6 | 32.1 | 34.0 | 31.7 | 24.6 | 25.7 | 21.0 |
| Average daytime temperature (°C) | 8.6 | 9.1 | 14.8 | 17.8 | 21.7 | 24.8 | 29.8 | 31.2 | 29.1 | 21.5 | 16.7 | 11.8 |
| Average temperature (°C) | 5.8 | 5.9 | 10.8 | 14.3 | 18.2 | 21.9 | 26.6 | 27.7 | 25.7 | 18.0 | 13.3 | 8.9 |
| Average night temperature (°C) | 2.9 | 2.8 | 7.1 | 11.0 | 14.9 | 19.1 | 23.7 | 24.8 | 22.7 | 14.9 | 10.0 | 5.9 |
| Absolute minimum temperature (°C) | -2.9 | -2.1 | 0.5 | 6.4 | 8.9 | 13.4 | 18.2 | 23.2 | 19.7 | 8.9 | 4.7 | 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 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.3 | 6.9 | 8.9 | 8.2 | 9.4 | 7.1 | 10.5 | 10.1 | 9.9 | 8.6 | 7.6 | 7.4 |
| Precipitation (mm) | 64 | 46 | 98 | 167 | 196 | 381 | 53 | 162 | 105 | 74 | 129 | 37 |
| Sunny days | 10 | 12 | 18 | 14 | 16 | 13 | 15 | 3 | 11 | 13 | 13 | 15 |
| Rainy days | 20 | 14 | 13 | 16 | 15 | 17 | 16 | 28 | 19 | 18 | 17 | 16 |
| Snow days | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Hannan is at