Average annual temperature is 9.0 °C
Absolute maximum temperature: 32.2 °C
Absolute minimum temperature: -17.3 °C
Number of sunny days: 96 days
Number of rainy days: 196 days
Number of snow days: 73 days
Look at detailed online map of Hatoyama
* Weather data for Hatoyama 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) | 5.7 | 5.6 | 15.6 | 17.4 | 23.0 | 27.3 | 30.4 | 32.2 | 27.5 | 22.5 | 18.7 | 11.9 |
| Average daytime temperature (°C) | -4.3 | -2.3 | 7.4 | 11.9 | 17.1 | 22.1 | 25.9 | 28.7 | 23.4 | 15.9 | 8.7 | 0.1 |
| Average temperature (°C) | -7.3 | -5.1 | 2.6 | 7.4 | 12.0 | 17.5 | 22.0 | 25.0 | 19.6 | 11.6 | 4.9 | -3.2 |
| Average night temperature (°C) | -10.8 | -8.2 | -1.2 | 4.0 | 7.8 | 13.8 | 19.0 | 22.2 | 16.3 | 8.4 | 1.5 | -6.7 |
| Absolute minimum temperature (°C) | -17.3 | -15.1 | -6.5 | -1.1 | 0.3 | 6.4 | 13.3 | 17.6 | 10.5 | 1.6 | -7.2 | -14.8 |
| 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 | 14.7 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 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 | 8.0 |
| Sunshine mean duration (h) | 6.6 | 7.1 | 8.4 | 8.0 | 10.0 | 9.9 | 9.9 | 8.8 | 7.5 | 7.8 | 6.2 | 5.2 |
| Precipitation (mm) | 67 | 64 | 75 | 123 | 80 | 139 | 135 | 233 | 206 | 129 | 157 | 89 |
| Sunny days | 3 | 2 | 15 | 5 | 15 | 11 | 8 | 4 | 9 | 12 | 7 | 5 |
| Rainy days | 4 | 3 | 13 | 25 | 16 | 19 | 23 | 27 | 21 | 19 | 17 | 9 |
| Snow days | 24 | 23 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 17 |
Months with the longest average daylight duration in Hatoyama:
The largest precipitation sum in Hatoyama is at