Average annual temperature is 9.3 °C
Absolute maximum temperature: 33.0 °C
Absolute minimum temperature: -19.0 °C
Number of sunny days: 159 days
Number of rainy days: 175 days
Number of snow days: 31 days
Look at detailed online map of Hamatoyo
* Weather data for Hamatoyo 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) | 7.6 | 6.7 | 15.4 | 17.2 | 24.3 | 26.7 | 33.0 | 32.0 | 29.1 | 23.5 | 19.1 | 12.4 |
| Average daytime temperature (°C) | -1.5 | -0.4 | 7.2 | 12.1 | 16.2 | 20.0 | 24.9 | 26.2 | 23.5 | 16.4 | 10.7 | 2.7 |
| Average temperature (°C) | -6.2 | -4.0 | 2.9 | 8.1 | 11.7 | 16.4 | 21.1 | 23.0 | 19.9 | 12.3 | 7.1 | -1.2 |
| Average night temperature (°C) | -10.7 | -8.6 | -1.3 | 4.6 | 8.1 | 13.4 | 18.0 | 20.5 | 17.1 | 8.9 | 3.6 | -4.7 |
| Absolute minimum temperature (°C) | -19.0 | -17.5 | -7.3 | -1.6 | 2.2 | 7.9 | 13.6 | 15.9 | 10.8 | 3.0 | -4.3 | -12.5 |
| 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) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 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) | 7.1 | 7.1 | 8.1 | 8.0 | 8.9 | 8.7 | 9.0 | 6.9 | 6.7 | 8.1 | 6.6 | 6.3 |
| Precipitation (mm) | 46 | 82 | 95 | 189 | 94 | 74 | 72 | 159 | 198 | 121 | 166 | 56 |
| Sunny days | 17 | 12 | 19 | 11 | 12 | 10 | 15 | 8 | 8 | 17 | 13 | 17 |
| Rainy days | 2 | 5 | 10 | 19 | 19 | 20 | 16 | 23 | 22 | 14 | 17 | 8 |
| Snow days | 12 | 11 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
The largest precipitation sum in Hamatoyo is at