Average annual temperature is 16.5 °C
Absolute maximum temperature: 37.6 °C
Absolute minimum temperature: -9.5 °C
Number of sunny days: 163 days
Number of rainy days: 200 days
Number of snow days: 2 days
Look at detailed online map of Ōtsukachō
* Weather data for Ōtsukachō 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) | 14.1 | 17.0 | 23.4 | 25.1 | 32.4 | 31.0 | 37.6 | 36.4 | 35.1 | 27.5 | 24.9 | 20.7 |
| Average daytime temperature (°C) | 8.8 | 10.9 | 16.7 | 20.0 | 22.7 | 26.6 | 32.8 | 33.1 | 30.1 | 22.4 | 18.0 | 13.2 |
| Average temperature (°C) | 3.9 | 5.7 | 11.7 | 15.2 | 17.8 | 22.3 | 27.6 | 28.5 | 26.0 | 17.5 | 12.9 | 7.6 |
| Average night temperature (°C) | -0.2 | 1.1 | 7.4 | 11.1 | 13.9 | 18.9 | 23.7 | 25.3 | 23.0 | 13.3 | 8.8 | 3.3 |
| Absolute minimum temperature (°C) | -9.5 | -3.7 | 0.7 | 3.4 | 7.0 | 13.9 | 20.9 | 23.9 | 16.9 | 8.8 | 4.2 | -2.5 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.1 | 7.7 | 7.4 | 8.7 | 8.6 | 7.4 | 10.8 | 11.2 | 8.6 | 8.3 | 7.0 | 7.4 |
| Precipitation (mm) | 29 | 40 | 115 | 109 | 163 | 291 | 40 | 91 | 254 | 122 | 67 | 33 |
| Sunny days | 17 | 16 | 16 | 16 | 13 | 6 | 15 | 7 | 7 | 15 | 14 | 21 |
| Rainy days | 12 | 12 | 15 | 14 | 18 | 24 | 16 | 24 | 23 | 16 | 16 | 10 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Ōtsukachō during the most sunny months:
The largest precipitation sum in Ōtsukachō is at