Average annual temperature is 15.4 °C
Absolute maximum temperature: 36.0 °C
Absolute minimum temperature: -5.7 °C
Number of sunny days: 165 days
Number of rainy days: 199 days
Number of snow days: 1 day
Look at detailed online map of Koguchi
* Weather data for Koguchi 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) | 17.5 | 17.1 | 25.3 | 25.1 | 29.5 | 32.0 | 36.0 | 32.5 | 32.2 | 29.2 | 25.1 | 20.9 |
| Average daytime temperature (°C) | 9.7 | 11.2 | 17.1 | 19.3 | 22.6 | 26.0 | 31.1 | 29.4 | 29.1 | 22.4 | 17.4 | 12.9 |
| Average temperature (°C) | 4.2 | 5.6 | 10.7 | 13.9 | 17.8 | 21.7 | 26.3 | 25.6 | 24.4 | 16.2 | 11.4 | 6.9 |
| Average night temperature (°C) | 0.1 | 1.0 | 5.5 | 8.7 | 13.5 | 18.0 | 22.3 | 23.1 | 20.9 | 11.4 | 6.9 | 2.5 |
| Absolute minimum temperature (°C) | -5.7 | -3.1 | -1.1 | 3.8 | 6.8 | 12.4 | 16.7 | 21.1 | 18.1 | 6.7 | 0.9 | -3.2 |
| 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 | 13.9 | 14.4 | 14.1 | 13.4 | 12.4 | 11.3 | 10.4 | 10.0 |
| 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) | 7.9 | 7.6 | 8.4 | 8.5 | 8.9 | 6.8 | 10.6 | 8.4 | 9.2 | 8.9 | 7.9 | 7.7 |
| Precipitation (mm) | 61 | 48 | 158 | 261 | 289 | 496 | 68 | 544 | 115 | 142 | 134 | 112 |
| Sunny days | 22 | 18 | 14 | 15 | 10 | 9 | 9 | 1 | 7 | 21 | 18 | 21 |
| Rainy days | 8 | 10 | 17 | 15 | 21 | 21 | 22 | 30 | 23 | 10 | 12 | 10 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Koguchi during the most sunny months:
The largest precipitation sum in Koguchi is at