Average annual temperature is 15.5 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -7.1 °C
Number of sunny days: 120 days
Number of rainy days: 234 days
Number of snow days: 11 days
Look at detailed online map of Ōya-ichiba
* Weather data for Ōya-ichiba 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) | 15.7 | 14.7 | 23.0 | 26.8 | 30.0 | 31.4 | 34.3 | 34.8 | 32.4 | 26.3 | 25.5 | 19.6 |
| Average daytime temperature (°C) | 7.6 | 8.4 | 15.1 | 17.6 | 21.8 | 26.3 | 30.9 | 32.3 | 28.9 | 21.1 | 16.5 | 11.6 |
| Average temperature (°C) | 3.8 | 4.7 | 10.0 | 13.0 | 17.1 | 21.7 | 26.5 | 27.9 | 24.8 | 16.3 | 12.0 | 7.3 |
| Average night temperature (°C) | 0.7 | 1.4 | 5.7 | 9.0 | 13.1 | 18.0 | 23.1 | 24.9 | 21.8 | 12.3 | 8.2 | 3.8 |
| Absolute minimum temperature (°C) | -7.1 | -3.2 | -1.7 | 2.4 | 6.0 | 11.5 | 19.3 | 22.8 | 17.1 | 7.3 | 1.6 | -1.7 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 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) | 6.6 | 5.9 | 8.3 | 7.5 | 8.9 | 7.3 | 8.9 | 9.9 | 8.3 | 8.7 | 7.0 | 6.5 |
| Precipitation (mm) | 124 | 76 | 110 | 277 | 287 | 273 | 125 | 195 | 92 | 40 | 123 | 79 |
| Sunny days | 7 | 4 | 17 | 14 | 13 | 8 | 13 | 5 | 4 | 13 | 12 | 10 |
| Rainy days | 21 | 18 | 14 | 16 | 18 | 22 | 18 | 26 | 26 | 18 | 18 | 19 |
| Snow days | 3 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Ōya-ichiba during the most sunny months:
The largest precipitation sum in Ōya-ichiba is at