Average annual temperature is 8.8 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -18.8 °C
Number of sunny days: 171 days
Number of rainy days: 162 days
Number of snow days: 32 days
Look at detailed online map of Ōtsu
* Weather data for Ōtsu 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) | 6.7 | 8.5 | 14.1 | 17.8 | 23.6 | 26.9 | 33.2 | 32.8 | 28.2 | 21.6 | 19.1 | 11.7 |
| Average daytime temperature (°C) | -2.1 | -0.7 | 7.4 | 11.7 | 15.9 | 19.2 | 24.0 | 25.5 | 23.2 | 16.2 | 10.3 | 2.4 |
| Average temperature (°C) | -7.4 | -5.2 | 2.3 | 7.6 | 11.1 | 15.6 | 20.6 | 22.8 | 20.0 | 12.2 | 6.5 | -1.8 |
| Average night temperature (°C) | -12.4 | -10.5 | -2.4 | 4.0 | 7.6 | 12.9 | 17.8 | 20.8 | 17.2 | 8.6 | 2.9 | -5.0 |
| Absolute minimum temperature (°C) | -18.8 | -18.3 | -11.6 | -2.6 | 3.1 | 7.1 | 13.0 | 16.2 | 11.9 | 2.8 | -6.2 | -11.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.5 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.4 | 7.7 | 8.7 | 8.4 | 9.7 | 8.6 | 9.6 | 8.0 | 7.6 | 8.3 | 6.9 | 6.4 |
| Precipitation (mm) | 25 | 45 | 86 | 156 | 55 | 66 | 83 | 89 | 158 | 85 | 99 | 39 |
| Sunny days | 19 | 14 | 18 | 11 | 12 | 11 | 17 | 10 | 10 | 15 | 15 | 19 |
| Rainy days | 3 | 2 | 10 | 19 | 19 | 19 | 14 | 21 | 20 | 16 | 15 | 4 |
| Snow days | 9 | 12 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 |
Months with the longest average daylight duration in Ōtsu:
The largest precipitation sum in Ōtsu is at