Average annual temperature is 13.1 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: -10.7 °C
Number of sunny days: 97 days
Number of rainy days: 238 days
Number of snow days: 30 days
Look at detailed online map of Nagai
* Weather data for Nagai 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) | 11.0 | 12.3 | 19.7 | 24.0 | 29.1 | 28.6 | 33.9 | 37.7 | 36.3 | 24.3 | 23.0 | 14.9 |
| Average daytime temperature (°C) | 3.4 | 3.9 | 12.9 | 16.6 | 20.0 | 24.3 | 28.9 | 33.9 | 28.5 | 18.6 | 13.6 | 7.6 |
| Average temperature (°C) | -0.1 | 0.3 | 7.0 | 11.0 | 15.0 | 20.1 | 24.5 | 28.1 | 23.6 | 13.9 | 9.2 | 3.8 |
| Average night temperature (°C) | -3.5 | -3.1 | 2.7 | 6.8 | 10.7 | 16.8 | 21.1 | 23.6 | 20.2 | 10.4 | 6.0 | 0.7 |
| Absolute minimum temperature (°C) | -10.7 | -10.0 | -3.8 | 1.0 | 3.3 | 12.7 | 17.0 | 21.4 | 11.8 | 6.6 | -1.2 | -4.5 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.5 | 6.3 | 8.5 | 8.9 | 8.6 | 7.9 | 9.6 | 11.9 | 7.8 | 8.4 | 6.4 | 4.1 |
| Precipitation (mm) | 74 | 112 | 66 | 70 | 150 | 186 | 120 | 37 | 169 | 82 | 149 | 139 |
| Sunny days | 2 | 4 | 18 | 14 | 13 | 7 | 6 | 5 | 7 | 9 | 10 | 2 |
| Rainy days | 15 | 13 | 13 | 16 | 18 | 23 | 25 | 26 | 23 | 22 | 20 | 24 |
| Snow days | 14 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The best time to visit Nagai during the most sunny months:
The largest precipitation sum in Nagai is at