Average annual temperature is 13.7 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: -9.6 °C
Number of sunny days: 130 days
Number of rainy days: 220 days
Number of snow days: 15 days
Look at detailed online map of Kosugō
* Weather data for Kosugō 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) | 13.5 | 14.4 | 20.0 | 24.6 | 30.8 | 28.9 | 35.5 | 35.9 | 34.5 | 26.6 | 23.6 | 18.0 |
| Average daytime temperature (°C) | 5.0 | 6.2 | 13.5 | 17.4 | 20.5 | 24.7 | 29.8 | 32.5 | 27.7 | 19.9 | 14.5 | 8.9 |
| Average temperature (°C) | 1.1 | 1.9 | 7.6 | 11.8 | 15.3 | 20.3 | 25.3 | 27.4 | 23.5 | 14.8 | 10.0 | 4.7 |
| Average night temperature (°C) | -1.9 | -1.3 | 3.0 | 7.4 | 10.8 | 17.1 | 21.6 | 23.6 | 20.6 | 10.9 | 6.9 | 1.6 |
| Absolute minimum temperature (°C) | -9.6 | -4.4 | -4.4 | 1.1 | 2.3 | 12.4 | 17.0 | 22.0 | 12.7 | 7.8 | 1.0 | -4.3 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.6 | 7.4 | 8.0 | 8.8 | 8.3 | 7.3 | 9.7 | 11.5 | 7.5 | 8.8 | 6.6 | 6.9 |
| Precipitation (mm) | 36 | 69 | 71 | 55 | 162 | 239 | 89 | 104 | 274 | 57 | 97 | 59 |
| Sunny days | 13 | 13 | 17 | 17 | 12 | 6 | 7 | 4 | 4 | 13 | 12 | 12 |
| Rainy days | 10 | 10 | 14 | 13 | 19 | 24 | 24 | 27 | 26 | 18 | 18 | 17 |
| Snow days | 8 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Kosugō during the most sunny months:
The largest precipitation sum in Kosugō is at