Average annual temperature is 15.4 °C
Absolute maximum temperature: 32.8 °C
Absolute minimum temperature: -6.7 °C
Number of sunny days: 156 days
Number of rainy days: 209 days
Look at detailed online map of Onoichi
* Weather data for Onoichi 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) | 19.1 | 19.8 | 25.2 | 24.2 | 29.6 | 30.6 | 32.5 | 32.8 | 32.1 | 26.5 | 25.5 | 21.5 |
| Average daytime temperature (°C) | 10.2 | 11.0 | 16.5 | 18.9 | 22.3 | 25.5 | 29.9 | 29.1 | 28.9 | 21.7 | 18.0 | 12.3 |
| Average temperature (°C) | 4.6 | 6.2 | 11.1 | 14.0 | 17.6 | 21.2 | 25.5 | 25.3 | 24.2 | 16.0 | 11.9 | 6.8 |
| Average night temperature (°C) | 0.7 | 2.6 | 6.7 | 9.8 | 13.9 | 18.0 | 22.0 | 22.8 | 20.9 | 11.7 | 7.3 | 2.6 |
| Absolute minimum temperature (°C) | -6.7 | -1.5 | -1.1 | 3.5 | 7.8 | 13.7 | 17.6 | 21.0 | 18.2 | 5.2 | 1.1 | -4.3 |
| 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) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.3 | 14.1 | 13.3 | 12.4 | 11.4 | 10.5 | 10.0 |
| Daylight minimum duration (h) | 10.0 | 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) | 7.5 | 6.6 | 8.2 | 8.0 | 8.9 | 6.4 | 10.2 | 8.6 | 9.6 | 8.4 | 8.5 | 7.0 |
| Precipitation (mm) | 52 | 112 | 146 | 181 | 196 | 416 | 161 | 399 | 88 | 52 | 23 | 60 |
| Sunny days | 18 | 14 | 18 | 16 | 13 | 8 | 2 | 2 | 4 | 21 | 21 | 19 |
| Rainy days | 13 | 14 | 13 | 14 | 18 | 22 | 29 | 29 | 26 | 10 | 9 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Onoichi is at