Average annual temperature is 16.5 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: -5.7 °C
Number of sunny days: 163 days
Number of rainy days: 201 days
Number of snow days: 1 day
Look at detailed online map of Shiroi
* Weather data for Shiroi 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) | 14.1 | 17.4 | 23.6 | 24.3 | 32.7 | 30.7 | 37.9 | 35.9 | 34.7 | 28.0 | 25.4 | 21.0 |
| Average daytime temperature (°C) | 8.9 | 10.9 | 16.6 | 19.9 | 22.6 | 26.5 | 32.6 | 33.0 | 30.0 | 22.5 | 18.2 | 13.4 |
| Average temperature (°C) | 4.1 | 5.7 | 11.7 | 15.2 | 17.8 | 22.2 | 27.6 | 28.5 | 26.0 | 17.5 | 13.1 | 7.8 |
| Average night temperature (°C) | 0.1 | 1.3 | 7.5 | 11.4 | 13.9 | 18.9 | 23.7 | 25.2 | 23.0 | 13.3 | 9.1 | 3.5 |
| Absolute minimum temperature (°C) | -5.7 | -3.7 | 0.6 | 3.6 | 7.5 | 14.2 | 20.8 | 23.9 | 17.1 | 9.0 | 4.2 | -2.3 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 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) | 7.1 | 7.6 | 7.4 | 8.9 | 8.6 | 7.4 | 10.8 | 11.3 | 8.9 | 8.4 | 7.1 | 7.3 |
| Precipitation (mm) | 34 | 53 | 130 | 108 | 167 | 290 | 37 | 90 | 264 | 109 | 64 | 31 |
| Sunny days | 17 | 17 | 14 | 15 | 11 | 7 | 16 | 8 | 6 | 17 | 13 | 22 |
| Rainy days | 13 | 11 | 17 | 15 | 20 | 23 | 15 | 23 | 24 | 14 | 17 | 9 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Shiroi during the most sunny months:
The largest precipitation sum in Shiroi is at