Average annual temperature is 14.7 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: -6.9 °C
Number of sunny days: 137 days
Number of rainy days: 222 days
Number of snow days: 6 days
Look at detailed online map of Otsu
* Weather data for Otsu 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) | 13.6 | 17.0 | 22.4 | 24.1 | 29.1 | 29.3 | 35.6 | 34.2 | 32.0 | 24.8 | 24.0 | 19.5 |
| Average daytime temperature (°C) | 7.6 | 9.6 | 14.9 | 19.1 | 21.2 | 24.5 | 30.8 | 31.0 | 27.9 | 20.2 | 16.2 | 11.3 |
| Average temperature (°C) | 2.6 | 4.2 | 9.8 | 13.4 | 16.3 | 20.8 | 26.1 | 26.3 | 23.8 | 15.3 | 11.1 | 6.1 |
| Average night temperature (°C) | -1.3 | -0.1 | 5.5 | 8.7 | 11.9 | 17.7 | 21.9 | 22.7 | 20.8 | 11.2 | 7.4 | 2.4 |
| Absolute minimum temperature (°C) | -6.9 | -4.8 | -3.4 | -0.9 | 4.8 | 13.1 | 18.1 | 20.7 | 15.5 | 5.0 | 1.4 | -4.1 |
| 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 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.3 | 8.1 | 7.8 | 8.8 | 8.8 | 7.3 | 10.1 | 10.9 | 9.0 | 8.6 | 7.6 | 7.7 |
| Precipitation (mm) | 38 | 77 | 174 | 119 | 211 | 339 | 64 | 168 | 266 | 138 | 70 | 38 |
| Sunny days | 12 | 13 | 12 | 11 | 14 | 5 | 12 | 2 | 6 | 13 | 19 | 18 |
| Rainy days | 14 | 14 | 19 | 19 | 17 | 25 | 19 | 29 | 24 | 18 | 11 | 13 |
| Snow days | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Otsu during the most sunny months:
The largest precipitation sum in Otsu is at