Average annual temperature is 10.0 °C
Absolute maximum temperature: 29.9 °C
Absolute minimum temperature: -26.1 °C
Number of sunny days: 146 days
Number of rainy days: 201 days
Number of snow days: 18 days
Look at detailed online map of Shinshuku
* Weather data for Shinshuku 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) | 10.3 | 10.9 | 18.3 | 22.1 | 25.2 | 25.3 | 29.9 | 28.7 | 27.3 | 21.4 | 20.4 | 16.2 |
| Average daytime temperature (°C) | 3.1 | 4.7 | 10.9 | 14.6 | 17.1 | 20.5 | 26.0 | 26.1 | 23.9 | 16.0 | 12.5 | 7.2 |
| Average temperature (°C) | -3.2 | -1.5 | 5.6 | 9.0 | 12.1 | 16.4 | 21.2 | 21.3 | 19.3 | 11.1 | 6.7 | 1.2 |
| Average night temperature (°C) | -8.1 | -6.5 | 1.2 | 4.5 | 8.1 | 13.2 | 17.3 | 17.8 | 15.9 | 7.5 | 2.4 | -3.5 |
| Absolute minimum temperature (°C) | -26.1 | -15.6 | -6.8 | -3.3 | 2.3 | 9.6 | 14.3 | 15.4 | 8.1 | 1.1 | -7.2 | -15.2 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 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) | 7.2 | 7.8 | 8.4 | 9.4 | 9.2 | 7.8 | 10.2 | 10.8 | 9.5 | 9.0 | 7.9 | 7.7 |
| Precipitation (mm) | 55 | 85 | 162 | 118 | 257 | 397 | 72 | 141 | 200 | 115 | 79 | 61 |
| Sunny days | 14 | 12 | 12 | 13 | 11 | 7 | 12 | 4 | 6 | 16 | 18 | 21 |
| Rainy days | 6 | 10 | 19 | 17 | 20 | 23 | 19 | 27 | 24 | 15 | 12 | 9 |
| Snow days | 11 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Shinshuku is at