Average annual temperature is 11.4 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -11.5 °C
Number of sunny days: 72 days
Number of rainy days: 229 days
Number of snow days: 64 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) | 9.3 | 8.2 | 19.1 | 17.4 | 20.2 | 25.8 | 28.4 | 33.9 | 29.1 | 21.9 | 20.3 | 13.6 |
| Average daytime temperature (°C) | -0.1 | 1.2 | 8.3 | 11.2 | 16.0 | 21.2 | 24.9 | 29.3 | 24.7 | 17.0 | 10.7 | 3.0 |
| Average temperature (°C) | -2.1 | -0.6 | 5.4 | 8.5 | 13.0 | 18.6 | 22.5 | 26.4 | 21.8 | 14.3 | 7.7 | 0.9 |
| Average night temperature (°C) | -4.0 | -2.3 | 3.2 | 6.6 | 10.7 | 16.6 | 20.6 | 24.3 | 19.5 | 12.1 | 5.1 | -1.3 |
| Absolute minimum temperature (°C) | -11.5 | -7.4 | -1.8 | 2.0 | 4.5 | 12.0 | 17.1 | 21.4 | 13.4 | 5.4 | -3.3 | -6.7 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.9 | 6.2 | 8.7 | 8.8 | 9.6 | 9.3 | 9.7 | 10.4 | 7.8 | 8.1 | 5.7 | 4.6 |
| Precipitation (mm) | 135 | 97 | 76 | 186 | 103 | 120 | 252 | 97 | 183 | 122 | 226 | 139 |
| Sunny days | 1 | 2 | 12 | 5 | 10 | 10 | 4 | 4 | 10 | 9 | 4 | 1 |
| Rainy days | 7 | 10 | 17 | 25 | 21 | 20 | 27 | 27 | 20 | 22 | 21 | 12 |
| Snow days | 23 | 16 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 18 |
The best time to visit Ōtsu during the most sunny months:
The largest precipitation sum in Ōtsu is at