Average annual temperature is 14.2 °C
Absolute maximum temperature: 39.0 °C
Absolute minimum temperature: -8.1 °C
Number of sunny days: 87 days
Number of rainy days: 263 days
Number of snow days: 15 days
Look at detailed online map of Niigata-ken
* Weather data for Niigata-ken 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) | 15.8 | 14.6 | 23.4 | 24.5 | 30.8 | 29.1 | 34.0 | 39.0 | 35.3 | 25.4 | 26.1 | 17.5 |
| Average daytime temperature (°C) | 5.2 | 6.0 | 14.1 | 17.1 | 21.2 | 25.4 | 29.8 | 35.5 | 29.2 | 19.9 | 15.1 | 8.8 |
| Average temperature (°C) | 1.7 | 2.0 | 7.6 | 11.3 | 15.7 | 21.0 | 25.5 | 29.4 | 24.5 | 15.1 | 10.6 | 4.9 |
| Average night temperature (°C) | -1.1 | -1.3 | 2.4 | 6.4 | 10.8 | 17.2 | 21.6 | 24.1 | 21.0 | 11.4 | 6.9 | 1.7 |
| Absolute minimum temperature (°C) | -7.2 | -8.1 | -3.3 | -1.1 | 2.5 | 11.1 | 15.5 | 21.5 | 12.9 | 7.5 | 1.9 | -5.2 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 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) | 4.0 | 5.2 | 7.7 | 7.8 | 8.3 | 7.9 | 9.5 | 11.9 | 7.8 | 7.7 | 5.6 | 4.0 |
| Precipitation (mm) | 214 | 153 | 108 | 112 | 164 | 244 | 157 | 38 | 171 | 212 | 192 | 288 |
| Sunny days | 1 | 4 | 14 | 11 | 11 | 6 | 7 | 13 | 4 | 5 | 7 | 4 |
| Rainy days | 22 | 19 | 17 | 19 | 20 | 24 | 24 | 18 | 26 | 26 | 23 | 25 |
| Snow days | 8 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Niigata-ken during the most sunny months:
The largest precipitation sum in Niigata-ken is at