Average annual temperature is 16.5 °C
Absolute maximum temperature: 37.8 °C
Absolute minimum temperature: -3.3 °C
Number of sunny days: 166 days
Number of rainy days: 198 days
Number of snow days: 1 day
Look at detailed online map of Koyaura
* Weather data for Koyaura 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) | 17.8 | 14.5 | 21.0 | 24.0 | 27.5 | 30.5 | 34.1 | 37.8 | 35.1 | 28.2 | 25.8 | 19.8 |
| Average daytime temperature (°C) | 9.6 | 10.3 | 16.2 | 18.7 | 22.7 | 25.6 | 29.7 | 32.6 | 30.1 | 23.1 | 17.7 | 11.9 |
| Average temperature (°C) | 5.3 | 6.0 | 11.1 | 14.4 | 18.5 | 22.2 | 26.6 | 28.5 | 26.0 | 17.9 | 13.2 | 7.9 |
| Average night temperature (°C) | 1.6 | 2.0 | 6.5 | 10.1 | 14.8 | 19.3 | 23.8 | 25.3 | 22.7 | 13.4 | 9.4 | 4.4 |
| Absolute minimum temperature (°C) | -3.3 | -1.5 | -1.0 | 5.1 | 8.5 | 14.0 | 19.7 | 23.0 | 18.5 | 9.4 | 3.4 | -0.2 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 14.0 | 14.4 | 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) | 7.2 | 6.5 | 8.4 | 7.8 | 8.7 | 7.7 | 9.3 | 9.9 | 9.1 | 8.5 | 8.0 | 6.9 |
| Precipitation (mm) | 69 | 68 | 76 | 216 | 214 | 228 | 156 | 167 | 65 | 16 | 42 | 49 |
| Sunny days | 17 | 15 | 20 | 16 | 14 | 11 | 6 | 5 | 5 | 23 | 18 | 16 |
| Rainy days | 13 | 13 | 11 | 14 | 17 | 19 | 25 | 26 | 25 | 8 | 12 | 15 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koyaura is at