Average annual temperature is 16.2 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -6.0 °C
Number of sunny days: 161 days
Number of rainy days: 201 days
Number of snow days: 3 days
Look at detailed online map of Ōshiochō
* Weather data for Ōshiochō 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) | 16.6 | 13.6 | 19.8 | 20.6 | 24.0 | 27.7 | 32.4 | 34.8 | 34.2 | 28.1 | 25.1 | 18.2 |
| Average daytime temperature (°C) | 9.3 | 9.4 | 15.0 | 18.0 | 21.3 | 24.0 | 29.0 | 31.7 | 29.9 | 22.9 | 17.1 | 11.9 |
| Average temperature (°C) | 4.5 | 5.0 | 10.5 | 14.0 | 17.9 | 21.5 | 26.5 | 28.7 | 26.5 | 18.0 | 12.9 | 7.8 |
| Average night temperature (°C) | 0.0 | 0.7 | 5.9 | 10.0 | 14.5 | 18.8 | 23.8 | 25.9 | 23.5 | 13.4 | 9.2 | 3.7 |
| Absolute minimum temperature (°C) | -6.0 | -3.1 | 0.2 | 2.6 | 7.5 | 12.2 | 20.2 | 24.4 | 19.6 | 8.1 | 3.1 | -2.2 |
| 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 | 7.2 | 8.4 | 8.0 | 9.0 | 7.0 | 10.0 | 10.3 | 9.9 | 8.8 | 7.8 | 7.2 |
| Precipitation (mm) | 35 | 36 | 87 | 172 | 251 | 311 | 77 | 169 | 88 | 37 | 132 | 36 |
| Sunny days | 12 | 10 | 19 | 16 | 13 | 9 | 15 | 4 | 11 | 17 | 16 | 19 |
| Rainy days | 17 | 17 | 12 | 14 | 18 | 21 | 16 | 27 | 19 | 14 | 14 | 12 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ōshiochō is at