Average annual temperature is 17 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: -5.3 °C
Number of sunny days: 145
Number of rainy days: 219
Number of snow days: 1
Average annual precipitation: 2193 mm
Look at detailed online map of Kōshi
* Weather data for Kōshi Japan is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | Maggio | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 19.8 | 19 | 24.1 | 27 | 29.6 | 30.4 | 34.7 | 35.3 | 34.5 | 28.2 | 28 | 21.4 |
| Average daytime temperature (°C) | 10.2 | 13 | 17.9 | 20.9 | 24.5 | 26.9 | 30.9 | 32.7 | 30.6 | 23 | 18.3 | 12.6 |
| Average temperature (°C) | 5.5 | 7.8 | 12.3 | 15.6 | 19.6 | 22.9 | 26.9 | 28.2 | 25.8 | 17.4 | 12.9 | 8.3 |
| Average night temperature (°C) | 1.7 | 3.2 | 7.2 | 10.9 | 15 | 19.5 | 23.8 | 24.8 | 22.1 | 12.7 | 8.6 | 4 |
| Absolute minimum temperature (°C) | -5.3 | -3 | -2.4 | 3.5 | 7.2 | 12.9 | 22.3 | 22.5 | 18.9 | 6.5 | 1.7 | -3.3 |
| Jan | Feb | Mar | Apr | Maggio | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.6 | 11.5 | 12.5 | 13.5 | 14.2 | 14.3 | 14.3 | 13.8 | 12.9 | 11.9 | 10.9 | 10.2 |
| Daylight mean duration (h) | 10.3 | 11 | 12 | 13 | 13.9 | 14.3 | 14.1 | 13.3 | 12.4 | 11.4 | 10.5 | 10 |
| Daylight minimum duration (h) | 10 | 10.6 | 11.5 | 12.5 | 13.5 | 14.2 | 13.8 | 12.9 | 11.9 | 10.9 | 10.2 | 10 |
| Sunshine mean duration (h) | 6.7 | 6.7 | 8 | 8.6 | 9.4 | 6.3 | 8.7 | 10.4 | 9.9 | 9 | 8 | 6.3 |
| Precipitation (mm) | 92 | 100 | 142 | 228 | 306 | 484 | 294 | 208 | 117 | 48 | 79 | 95 |
| Sunny days | 16 | 14 | 16 | 17 | 15 | 5 | 4 | 3 | 4 | 19 | 19 | 13 |
| Rainy days | 15 | 14 | 15 | 13 | 16 | 25 | 27 | 28 | 26 | 12 | 11 | 17 |
The best time to visit Kōshi during the most sunny months:
The largest precipitation sum in Kōshi is at