Average annual temperature is 16.4 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -3.8 °C
Number of sunny days: 154 days
Number of rainy days: 210 days
Number of snow days: 1 day
Look at detailed online map of Shimowasa
* Weather data for Shimowasa 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) | 17.7 | 16.1 | 21.8 | 24.5 | 27.6 | 30.3 | 34.4 | 34.8 | 33.1 | 25.5 | 26.2 | 21.2 |
| Average daytime temperature (°C) | 9.4 | 10.2 | 16.3 | 18.9 | 22.8 | 25.8 | 31.0 | 32.1 | 30.1 | 22.4 | 17.7 | 12.8 |
| Average temperature (°C) | 5.4 | 5.8 | 11.0 | 14.4 | 18.4 | 22.3 | 26.9 | 28.0 | 25.7 | 17.4 | 12.8 | 8.5 |
| Average night temperature (°C) | 1.3 | 1.7 | 5.9 | 9.9 | 14.1 | 18.8 | 23.3 | 24.5 | 21.9 | 13.0 | 8.4 | 4.4 |
| Absolute minimum temperature (°C) | -3.8 | -2.5 | -0.5 | 4.2 | 7.3 | 12.1 | 16.6 | 22.2 | 18.2 | 6.6 | 2.4 | -1.1 |
| 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) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 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) | 7.2 | 7.2 | 8.8 | 8.3 | 9.4 | 7.0 | 10.3 | 10.0 | 10.1 | 8.6 | 7.4 | 7.2 |
| Precipitation (mm) | 68 | 43 | 105 | 202 | 218 | 385 | 72 | 209 | 103 | 84 | 124 | 49 |
| Sunny days | 12 | 11 | 18 | 15 | 15 | 10 | 11 | 5 | 10 | 15 | 15 | 17 |
| Rainy days | 18 | 17 | 13 | 15 | 16 | 20 | 20 | 26 | 20 | 16 | 15 | 14 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Shimowasa is at