Average annual temperature is 15.4 °C
Absolute maximum temperature: 31.7 °C
Absolute minimum temperature: -4.7 °C
Number of sunny days: 157 days
Number of rainy days: 206 days
Number of snow days: 2 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) | 15.4 | 15.1 | 20.0 | 22.1 | 26.8 | 26.9 | 31.3 | 31.7 | 30.3 | 25.0 | 23.7 | 18.7 |
| Average daytime temperature (°C) | 8.4 | 9.5 | 14.3 | 17.5 | 19.6 | 23.6 | 28.1 | 29.8 | 27.4 | 21.4 | 16.8 | 12.2 |
| Average temperature (°C) | 4.3 | 5.2 | 10.3 | 13.5 | 16.1 | 20.8 | 25.2 | 27.1 | 24.6 | 17.0 | 12.4 | 7.9 |
| Average night temperature (°C) | 0.9 | 1.9 | 6.7 | 10.0 | 12.7 | 18.1 | 22.2 | 24.5 | 22.2 | 13.8 | 8.9 | 4.7 |
| Absolute minimum temperature (°C) | -4.7 | -1.6 | 0.0 | 3.7 | 7.3 | 13.7 | 18.5 | 22.8 | 17.3 | 10.0 | 3.5 | 0.6 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.7 | 14.4 | 13.5 | 12.4 | 11.2 | 10.2 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.2 | 8.1 | 8.0 | 9.0 | 9.3 | 8.0 | 10.3 | 11.4 | 8.4 | 8.4 | 7.0 | 7.2 |
| Precipitation (mm) | 36 | 54 | 126 | 119 | 133 | 297 | 75 | 71 | 193 | 102 | 106 | 56 |
| Sunny days | 17 | 17 | 14 | 19 | 14 | 7 | 11 | 9 | 7 | 14 | 13 | 15 |
| Rainy days | 12 | 11 | 17 | 11 | 17 | 23 | 20 | 22 | 23 | 17 | 17 | 16 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Ōtsu during the most sunny months:
The largest precipitation sum in Ōtsu is at