Average annual temperature is 16.3 °C
Absolute maximum temperature: 38.4 °C
Absolute minimum temperature: -8.3 °C
Number of sunny days: 182 days
Number of rainy days: 182 days
Number of snow days: 1 day
Look at detailed online map of Onouechō
* Weather data for Onouechō 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) | 18.3 | 15.5 | 23.2 | 25.8 | 29.5 | 32.6 | 35.9 | 38.4 | 34.3 | 29.9 | 26.6 | 20.2 |
| Average daytime temperature (°C) | 10.2 | 10.6 | 17.4 | 19.9 | 23.7 | 26.7 | 31.8 | 33.0 | 31.4 | 24.5 | 18.5 | 12.7 |
| Average temperature (°C) | 3.9 | 4.9 | 11.3 | 14.3 | 18.8 | 22.5 | 27.4 | 28.8 | 26.5 | 17.8 | 12.3 | 6.8 |
| Average night temperature (°C) | -1.1 | -0.2 | 5.8 | 9.0 | 14.3 | 18.6 | 23.5 | 25.3 | 22.4 | 11.8 | 7.2 | 1.9 |
| Absolute minimum temperature (°C) | -8.3 | -4.5 | -2.7 | 3.0 | 7.1 | 12.1 | 20.7 | 22.9 | 16.5 | 6.1 | 0.1 | -3.1 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 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) | 7.1 | 6.7 | 8.4 | 8.1 | 8.9 | 7.2 | 9.8 | 10.4 | 9.4 | 8.7 | 7.8 | 7.0 |
| Precipitation (mm) | 30 | 39 | 78 | 206 | 230 | 253 | 105 | 201 | 50 | 20 | 59 | 44 |
| Sunny days | 17 | 15 | 19 | 14 | 18 | 10 | 11 | 5 | 10 | 25 | 18 | 20 |
| Rainy days | 13 | 13 | 12 | 16 | 13 | 20 | 20 | 26 | 20 | 6 | 12 | 11 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Onouechō during the most sunny months:
The largest precipitation sum in Onouechō is at