Average annual temperature is 13.9 °C
Absolute maximum temperature: 31.7 °C
Absolute minimum temperature: -8.2 °C
Number of sunny days: 142 days
Number of rainy days: 220 days
Number of snow days: 3 days
Look at detailed online map of Shimosomeda
* Weather data for Shimosomeda 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) | 18.2 | 15.6 | 20.0 | 23.9 | 28.1 | 30.1 | 31.1 | 31.7 | 31.6 | 27.4 | 23.1 | 17.5 |
| Average daytime temperature (°C) | 8.3 | 11.0 | 15.5 | 18.1 | 22.1 | 24.5 | 27.9 | 28.4 | 27.8 | 20.8 | 15.7 | 10.3 |
| Average temperature (°C) | 2.6 | 5.2 | 9.5 | 12.5 | 16.7 | 20.1 | 23.8 | 24.1 | 22.6 | 14.2 | 10.0 | 4.9 |
| Average night temperature (°C) | -1.6 | 0.6 | 4.4 | 7.8 | 12.0 | 16.5 | 20.8 | 21.2 | 18.9 | 8.9 | 5.7 | 0.7 |
| Absolute minimum temperature (°C) | -8.2 | -6.1 | -4.8 | -2.4 | 3.9 | 9.8 | 19.2 | 19.1 | 15.9 | 3.4 | -2.1 | -7.1 |
| 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 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.5 | 10.1 |
| 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 | 10.0 |
| Sunshine mean duration (h) | 7.0 | 6.5 | 7.6 | 7.3 | 8.4 | 6.0 | 8.9 | 8.7 | 9.7 | 8.6 | 8.3 | 6.4 |
| Precipitation (mm) | 75 | 134 | 150 | 211 | 213 | 494 | 205 | 372 | 79 | 77 | 39 | 101 |
| Sunny days | 18 | 15 | 16 | 14 | 14 | 5 | 1 | 2 | 2 | 22 | 17 | 16 |
| Rainy days | 11 | 13 | 15 | 16 | 17 | 25 | 30 | 29 | 28 | 9 | 13 | 14 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Shimosomeda is at