Average annual temperature is 15.9 °C
Absolute maximum temperature: 32.6 °C
Absolute minimum temperature: -5.2 °C
Number of sunny days: 131 days
Number of rainy days: 228 days
Number of snow days: 6 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) | 16.9 | 16.1 | 20.7 | 23.0 | 28.5 | 27.2 | 32.6 | 32.2 | 30.7 | 25.0 | 23.9 | 19.7 |
| Average daytime temperature (°C) | 8.5 | 9.6 | 14.5 | 18.0 | 20.2 | 24.0 | 28.8 | 29.5 | 27.6 | 21.3 | 17.1 | 12.4 |
| Average temperature (°C) | 4.7 | 5.5 | 10.8 | 14.1 | 16.9 | 21.4 | 25.8 | 27.1 | 24.9 | 17.7 | 13.3 | 8.4 |
| Average night temperature (°C) | 1.7 | 2.5 | 7.9 | 10.8 | 13.9 | 19.1 | 23.2 | 25.1 | 23.0 | 15.0 | 10.6 | 5.5 |
| Absolute minimum temperature (°C) | -5.2 | -1.3 | 1.3 | 5.4 | 7.9 | 15.0 | 19.5 | 23.5 | 18.8 | 10.6 | 4.0 | 0.8 |
| 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 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 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 | 7.9 | 8.0 | 8.7 | 9.4 | 8.2 | 10.1 | 11.2 | 8.3 | 8.3 | 7.2 | 7.3 |
| Precipitation (mm) | 35 | 61 | 148 | 151 | 170 | 353 | 89 | 78 | 248 | 149 | 107 | 47 |
| Sunny days | 15 | 13 | 10 | 16 | 12 | 5 | 8 | 6 | 4 | 14 | 10 | 18 |
| Rainy days | 13 | 12 | 21 | 14 | 19 | 25 | 23 | 25 | 26 | 17 | 20 | 13 |
| Snow days | 3 | 3 | 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