Average annual temperature is 16.9 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -5.1 °C
Number of sunny days: 173 days
Number of rainy days: 191 days
Number of snow days: 1 day
Look at detailed online map of Ōi-Kaiganchō
* Weather data for Ōi-Kaiganchō 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) | 13.7 | 17.6 | 23.8 | 22.5 | 27.9 | 30.2 | 36.3 | 35.0 | 34.3 | 28.6 | 26.0 | 21.2 |
| Average daytime temperature (°C) | 8.9 | 10.7 | 16.0 | 19.3 | 21.7 | 25.4 | 32.1 | 32.4 | 29.7 | 22.5 | 18.2 | 13.4 |
| Average temperature (°C) | 4.6 | 6.2 | 12.0 | 15.4 | 18.1 | 22.4 | 28.0 | 28.7 | 26.3 | 18.1 | 13.6 | 8.4 |
| Average night temperature (°C) | 0.9 | 2.3 | 8.1 | 11.8 | 14.8 | 19.8 | 24.6 | 25.8 | 23.6 | 14.0 | 9.7 | 4.0 |
| Absolute minimum temperature (°C) | -5.1 | -2.0 | 2.2 | 5.3 | 8.6 | 15.1 | 21.3 | 24.0 | 17.1 | 10.2 | 5.2 | -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) | 6.9 | 7.3 | 7.4 | 8.5 | 8.3 | 7.4 | 10.8 | 11.3 | 8.8 | 8.7 | 7.1 | 7.7 |
| Precipitation (mm) | 29 | 41 | 128 | 127 | 156 | 280 | 55 | 114 | 184 | 112 | 56 | 33 |
| Sunny days | 18 | 16 | 16 | 12 | 15 | 11 | 16 | 7 | 6 | 19 | 13 | 24 |
| Rainy days | 13 | 11 | 15 | 18 | 16 | 19 | 15 | 24 | 24 | 12 | 17 | 7 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Ōi-Kaiganchō during the most sunny months:
The largest precipitation sum in Ōi-Kaiganchō is at