Average annual temperature is 16.3 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: -5.3 °C
Number of sunny days: 157 days
Number of rainy days: 208 days
Look at detailed online map of Kasumigaura
* Weather data for Kasumigaura 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) | 13.9 | 16.9 | 24.2 | 26.6 | 32.0 | 32.5 | 37.1 | 37.0 | 35.0 | 26.4 | 24.7 | 20.3 |
| Average daytime temperature (°C) | 8.6 | 10.7 | 16.6 | 19.7 | 22.4 | 26.5 | 32.2 | 33.2 | 29.8 | 22.0 | 17.7 | 12.9 |
| Average temperature (°C) | 3.8 | 5.5 | 11.5 | 14.8 | 17.6 | 22.1 | 27.2 | 28.5 | 25.7 | 17.3 | 12.9 | 7.9 |
| Average night temperature (°C) | 0.1 | 1.2 | 7.4 | 10.6 | 13.6 | 18.8 | 23.5 | 25.2 | 22.8 | 13.7 | 9.1 | 3.9 |
| Absolute minimum temperature (°C) | -5.3 | -3.0 | 0.7 | 4.3 | 7.4 | 13.1 | 20.7 | 23.8 | 17.6 | 8.5 | 3.9 | -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) | 7.3 | 7.9 | 8.0 | 8.9 | 9.0 | 7.3 | 10.6 | 11.2 | 8.7 | 8.2 | 7.1 | 7.4 |
| Precipitation (mm) | 28 | 39 | 109 | 89 | 144 | 339 | 45 | 75 | 257 | 117 | 60 | 39 |
| Sunny days | 18 | 18 | 15 | 16 | 13 | 7 | 13 | 4 | 6 | 14 | 11 | 22 |
| Rainy days | 13 | 10 | 16 | 14 | 18 | 23 | 18 | 27 | 24 | 17 | 19 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Kasumigaura during the most sunny months:
The largest precipitation sum in Kasumigaura is at