Average annual temperature is 16.0 °C
Absolute maximum temperature: 40.0 °C
Absolute minimum temperature: -5.4 °C
Number of sunny days: 165 days
Number of rainy days: 196 days
Number of snow days: 4 days
Look at detailed online map of Ōtsuka
* Weather data for Ōtsuka 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) | 13.4 | 17.3 | 23.2 | 28.7 | 31.5 | 31.8 | 40.0 | 38.0 | 34.1 | 25.9 | 27.1 | 19.4 |
| Average daytime temperature (°C) | 8.8 | 10.8 | 17.3 | 21.5 | 23.6 | 26.5 | 33.4 | 33.4 | 30.0 | 22.3 | 17.5 | 12.2 |
| Average temperature (°C) | 3.4 | 5.1 | 11.4 | 14.9 | 17.9 | 22.1 | 27.7 | 28.1 | 25.4 | 16.8 | 11.5 | 6.4 |
| Average night temperature (°C) | -0.8 | 0.4 | 5.7 | 9.1 | 12.7 | 18.2 | 22.9 | 24.1 | 22.0 | 12.0 | 6.8 | 1.7 |
| Absolute minimum temperature (°C) | -5.4 | -2.5 | -0.8 | 2.5 | 5.5 | 10.7 | 20.0 | 21.9 | 14.1 | 7.2 | 1.1 | -3.9 |
| 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 | 14.6 | 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.4 | 8.1 | 8.2 | 9.0 | 9.1 | 7.7 | 9.8 | 10.7 | 8.7 | 8.7 | 7.9 | 7.9 |
| Precipitation (mm) | 16 | 39 | 101 | 58 | 181 | 326 | 76 | 136 | 158 | 92 | 63 | 23 |
| Sunny days | 19 | 18 | 17 | 14 | 15 | 5 | 9 | 2 | 8 | 16 | 22 | 20 |
| Rainy days | 10 | 9 | 14 | 16 | 16 | 25 | 22 | 29 | 22 | 15 | 8 | 10 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Ōtsuka is at