Average annual temperature is 15.1 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: -5.8 °C
Number of sunny days: 107 days
Number of rainy days: 249 days
Number of snow days: 9 days
Look at detailed online map of Kosebara
* Weather data for Kosebara 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) | 15.6 | 14.7 | 23.7 | 22.8 | 26.6 | 29.4 | 33.3 | 35.3 | 30.7 | 23.6 | 25.0 | 22.2 |
| Average daytime temperature (°C) | 6.8 | 8.2 | 14.9 | 17.3 | 21.5 | 25.0 | 30.2 | 31.2 | 27.5 | 19.9 | 15.7 | 10.2 |
| Average temperature (°C) | 3.9 | 4.5 | 10.0 | 13.0 | 17.4 | 21.4 | 26.0 | 26.9 | 23.5 | 16.0 | 11.6 | 6.7 |
| Average night temperature (°C) | 1.6 | 1.3 | 5.8 | 9.3 | 14.3 | 18.6 | 22.8 | 23.9 | 20.8 | 12.7 | 7.9 | 3.8 |
| Absolute minimum temperature (°C) | -5.8 | -3.6 | -2.4 | 4.9 | 8.2 | 14.5 | 18.9 | 22.0 | 16.4 | 7.2 | 1.0 | -2.7 |
| 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 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 5.6 | 6.0 | 8.1 | 7.8 | 8.4 | 8.0 | 9.5 | 9.4 | 8.4 | 8.3 | 6.7 | 5.5 |
| Precipitation (mm) | 136 | 137 | 102 | 219 | 202 | 178 | 260 | 233 | 198 | 50 | 101 | 145 |
| Sunny days | 9 | 7 | 17 | 16 | 10 | 9 | 3 | 2 | 3 | 13 | 9 | 9 |
| Rainy days | 17 | 18 | 14 | 14 | 21 | 21 | 28 | 29 | 27 | 18 | 21 | 21 |
| Snow days | 5 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Kosebara is at