Average annual temperature is 16.2 °C
Absolute maximum temperature: 38.8 °C
Absolute minimum temperature: -5.1 °C
Number of sunny days: 170 days
Number of rainy days: 192 days
Number of snow days: 3 days
Look at detailed online map of Koga Shi
* Weather data for Koga Shi 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) | 13.2 | 18.0 | 24.7 | 27.4 | 32.8 | 31.5 | 38.8 | 37.6 | 36.2 | 27.4 | 25.1 | 19.3 |
| Average daytime temperature (°C) | 8.6 | 10.8 | 17.3 | 20.7 | 23.5 | 26.8 | 33.0 | 33.9 | 30.7 | 22.4 | 17.6 | 12.7 |
| Average temperature (°C) | 3.4 | 5.1 | 11.6 | 15.0 | 17.9 | 22.3 | 27.8 | 28.8 | 26.0 | 17.2 | 12.2 | 6.9 |
| Average night temperature (°C) | -0.7 | 0.3 | 6.8 | 10.2 | 13.3 | 18.8 | 23.6 | 25.1 | 22.7 | 12.8 | 8.0 | 2.6 |
| Absolute minimum temperature (°C) | -5.1 | -4.3 | -0.2 | 3.1 | 6.3 | 12.8 | 20.8 | 23.6 | 16.4 | 7.5 | 3.1 | -2.5 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.4 | 8.0 | 7.8 | 9.0 | 9.1 | 7.7 | 10.2 | 10.9 | 8.8 | 8.2 | 7.3 | 7.5 |
| Precipitation (mm) | 19 | 36 | 113 | 62 | 179 | 311 | 49 | 170 | 183 | 110 | 57 | 22 |
| Sunny days | 20 | 19 | 14 | 15 | 15 | 8 | 13 | 4 | 4 | 16 | 20 | 22 |
| Rainy days | 8 | 9 | 17 | 15 | 16 | 22 | 18 | 27 | 26 | 15 | 10 | 9 |
| Snow days | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Koga Shi during the most sunny months:
The largest precipitation sum in Koga Shi is at