Average annual temperature is 14.6 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -7.3 °C
Number of sunny days: 144 days
Number of rainy days: 217 days
Number of snow days: 4 days
Look at detailed online map of Gamachō
* Weather data for Gamachō 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) | 14.5 | 14.4 | 20.5 | 24.6 | 28.7 | 29.6 | 35.1 | 35.5 | 32.2 | 25.0 | 22.9 | 18.4 |
| Average daytime temperature (°C) | 7.5 | 8.6 | 15.2 | 17.7 | 21.9 | 25.1 | 30.4 | 30.6 | 28.6 | 20.6 | 15.5 | 10.5 |
| Average temperature (°C) | 2.8 | 3.8 | 9.6 | 12.5 | 16.9 | 21.0 | 25.7 | 26.2 | 24.1 | 15.3 | 10.9 | 5.9 |
| Average night temperature (°C) | -0.6 | 0.1 | 5.0 | 8.1 | 12.6 | 17.7 | 21.8 | 23.2 | 20.9 | 11.3 | 7.3 | 2.5 |
| Absolute minimum temperature (°C) | -7.3 | -3.4 | -0.8 | 3.2 | 5.3 | 12.2 | 18.4 | 21.7 | 16.5 | 7.0 | 1.3 | -4.2 |
| 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) | 7.3 | 7.2 | 8.4 | 8.1 | 8.9 | 7.3 | 9.7 | 9.6 | 9.4 | 8.6 | 7.7 | 6.8 |
| Precipitation (mm) | 50 | 86 | 127 | 211 | 237 | 375 | 194 | 304 | 127 | 80 | 102 | 77 |
| Sunny days | 13 | 13 | 17 | 13 | 16 | 11 | 10 | 2 | 8 | 17 | 13 | 11 |
| Rainy days | 14 | 15 | 14 | 17 | 15 | 19 | 21 | 29 | 22 | 14 | 17 | 20 |
| Snow days | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Gamachō is at