Average annual temperature is 16.7 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -4.1 °C
Number of sunny days: 182 days
Number of rainy days: 183 days
Look at detailed online map of Ōhama
* Weather data for Ōhama 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) | 14.7 | 15.8 | 20.6 | 23.5 | 26.4 | 30.1 | 35.5 | 36.3 | 33.8 | 29.9 | 26.4 | 21.3 |
| Average daytime temperature (°C) | 9.6 | 10.0 | 15.5 | 18.0 | 22.0 | 25.0 | 31.0 | 33.2 | 31.5 | 24.2 | 18.5 | 12.4 |
| Average temperature (°C) | 5.9 | 6.2 | 11.2 | 14.2 | 18.5 | 22.0 | 27.1 | 29.2 | 26.9 | 18.3 | 13.1 | 7.2 |
| Average night temperature (°C) | 2.9 | 2.3 | 7.3 | 10.7 | 15.5 | 19.4 | 23.6 | 25.6 | 22.8 | 12.7 | 8.2 | 2.5 |
| Absolute minimum temperature (°C) | -2.8 | -1.1 | 0.8 | 6.4 | 8.9 | 14.0 | 19.4 | 23.4 | 18.4 | 7.1 | 0.5 | -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 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.8 | 6.8 | 8.3 | 8.0 | 8.8 | 7.5 | 9.5 | 10.0 | 9.3 | 8.4 | 8.0 | 6.9 |
| Precipitation (mm) | 34 | 45 | 80 | 203 | 214 | 229 | 100 | 160 | 51 | 20 | 53 | 50 |
| Sunny days | 15 | 14 | 19 | 15 | 17 | 11 | 16 | 6 | 10 | 20 | 20 | 19 |
| Rainy days | 16 | 14 | 12 | 15 | 14 | 19 | 15 | 25 | 20 | 11 | 10 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ōhama is at