Average annual temperature is 8.4 °C
Absolute maximum temperature: 29.2 °C
Absolute minimum temperature: -13.3 °C
Number of sunny days: 159 days
Number of rainy days: 166 days
Number of snow days: 40 days
Look at detailed online map of Kaiganchō
* Weather data for Kaiganchō 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) | 5.8 | 4.5 | 9.5 | 12.3 | 17.7 | 19.8 | 29.2 | 27.9 | 26.4 | 20.7 | 17.2 | 10.0 |
| Average daytime temperature (°C) | -1.8 | -2.2 | 4.2 | 8.2 | 11.4 | 15.3 | 20.1 | 23.5 | 21.6 | 15.2 | 10.0 | 2.4 |
| Average temperature (°C) | -3.8 | -4.2 | 1.7 | 5.5 | 8.5 | 12.9 | 17.5 | 21.4 | 19.7 | 13.3 | 7.6 | 0.3 |
| Average night temperature (°C) | -5.8 | -6.8 | -0.4 | 3.4 | 6.5 | 11.1 | 15.7 | 19.8 | 18.1 | 11.6 | 5.4 | -1.8 |
| Absolute minimum temperature (°C) | -10.8 | -13.3 | -8.9 | -2.0 | 1.2 | 7.5 | 10.8 | 14.5 | 14.1 | 6.3 | -3.4 | -6.2 |
| 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 | 9.0 |
| 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) | 6.8 | 7.3 | 7.9 | 8.1 | 10.3 | 7.4 | 9.0 | 7.9 | 7.6 | 7.6 | 6.1 | 6.3 |
| Precipitation (mm) | 22 | 48 | 99 | 127 | 56 | 86 | 90 | 126 | 143 | 110 | 85 | 53 |
| Sunny days | 14 | 15 | 17 | 10 | 16 | 8 | 15 | 10 | 12 | 14 | 11 | 17 |
| Rainy days | 0 | 1 | 12 | 20 | 15 | 22 | 16 | 21 | 18 | 17 | 19 | 5 |
| Snow days | 17 | 12 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 |
The best time to visit Kaiganchō during the most sunny months:
Months with the longest average daylight duration in Kaiganchō:
The largest precipitation sum in Kaiganchō is at