Average annual temperature is 14.1 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -7.0 °C
Number of sunny days: 137 days
Number of rainy days: 221 days
Number of snow days: 7 days
Look at detailed online map of Ōtawara
* Weather data for Ōtawara 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) | 13.0 | 14.8 | 21.0 | 28.1 | 29.8 | 30.8 | 35.2 | 35.1 | 32.9 | 25.3 | 23.1 | 18.0 |
| Average daytime temperature (°C) | 6.7 | 8.4 | 15.1 | 18.9 | 21.9 | 25.4 | 30.8 | 31.9 | 28.1 | 20.5 | 15.5 | 10.5 |
| Average temperature (°C) | 1.8 | 2.9 | 9.0 | 12.4 | 15.8 | 20.7 | 25.5 | 26.5 | 23.7 | 14.9 | 10.1 | 5.0 |
| Average night temperature (°C) | -2.3 | -1.6 | 4.0 | 7.1 | 10.6 | 16.8 | 21.1 | 23.0 | 20.5 | 10.2 | 5.7 | 1.0 |
| Absolute minimum temperature (°C) | -7.0 | -5.0 | -2.4 | -0.2 | 4.1 | 10.9 | 19.0 | 21.5 | 13.8 | 5.8 | -2.0 | -3.8 |
| 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 | 11.2 | 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) | 7.1 | 8.2 | 7.9 | 9.0 | 9.2 | 7.7 | 10.0 | 10.6 | 7.7 | 8.5 | 7.2 | 7.3 |
| Precipitation (mm) | 18 | 36 | 106 | 88 | 155 | 299 | 91 | 147 | 185 | 129 | 107 | 37 |
| Sunny days | 20 | 17 | 14 | 16 | 15 | 4 | 7 | 0 | 3 | 12 | 14 | 15 |
| Rainy days | 7 | 10 | 17 | 14 | 16 | 26 | 24 | 31 | 27 | 19 | 16 | 14 |
| Snow days | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Ōtawara during the most sunny months:
The largest precipitation sum in Ōtawara is at