Average annual temperature is 15.6 °C
Absolute maximum temperature: 33.0 °C
Absolute minimum temperature: -8.4 °C
Number of sunny days: 126 days
Number of rainy days: 226 days
Number of snow days: 13 days
Look at detailed online map of Nagaoka Gun
* Weather data for Nagaoka Gun 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) | 19.0 | 16.1 | 21.8 | 24.6 | 28.5 | 30.2 | 32.5 | 33.0 | 31.0 | 26.6 | 24.8 | 19.0 |
| Average daytime temperature (°C) | 8.5 | 9.7 | 15.8 | 18.5 | 22.2 | 25.4 | 29.5 | 29.4 | 28.3 | 21.1 | 16.5 | 11.3 |
| Average temperature (°C) | 4.5 | 5.6 | 11.2 | 13.9 | 17.8 | 21.6 | 25.6 | 25.8 | 24.3 | 16.5 | 12.1 | 7.1 |
| Average night temperature (°C) | 1.3 | 2.1 | 7.0 | 9.9 | 14.2 | 18.6 | 22.6 | 23.3 | 21.4 | 12.7 | 8.2 | 3.5 |
| Absolute minimum temperature (°C) | -8.4 | -5.9 | -0.4 | 4.8 | 9.2 | 14.8 | 18.4 | 20.8 | 16.5 | 8.0 | 2.5 | -2.1 |
| 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 | 14.1 | 13.4 | 12.4 | 11.3 | 10.4 | 10.0 |
| 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) | 7.1 | 7.0 | 8.1 | 7.6 | 8.4 | 6.0 | 9.0 | 8.1 | 9.1 | 8.5 | 7.6 | 7.1 |
| Precipitation (mm) | 91 | 57 | 149 | 492 | 349 | 454 | 129 | 457 | 88 | 31 | 121 | 69 |
| Sunny days | 13 | 13 | 15 | 15 | 13 | 8 | 2 | 0 | 3 | 16 | 14 | 14 |
| Rainy days | 11 | 13 | 16 | 15 | 18 | 22 | 29 | 31 | 27 | 15 | 16 | 13 |
| Snow days | 7 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The largest precipitation sum in Nagaoka Gun is at