Average annual temperature is 9.0 °C
Absolute maximum temperature: 32.1 °C
Absolute minimum temperature: -14.6 °C
Number of sunny days: 64 days
Number of rainy days: 227 days
Number of snow days: 74 days
Look at detailed online map of Namariyama
* Weather data for Namariyama 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) | 6.2 | 5.7 | 14.1 | 17.8 | 22.7 | 25.4 | 28.4 | 32.1 | 28.3 | 19.5 | 19.2 | 10.3 |
| Average daytime temperature (°C) | -2.8 | -1.6 | 6.8 | 11.3 | 15.6 | 20.8 | 24.1 | 28.4 | 23.4 | 14.7 | 8.1 | 0.8 |
| Average temperature (°C) | -5.2 | -4.0 | 2.3 | 6.7 | 10.9 | 16.8 | 20.9 | 24.7 | 19.7 | 11.1 | 5.0 | -1.8 |
| Average night temperature (°C) | -7.3 | -6.1 | -1.2 | 3.4 | 7.4 | 14.0 | 18.5 | 22.2 | 17.5 | 8.5 | 2.5 | -4.3 |
| Absolute minimum temperature (°C) | -14.6 | -11.8 | -6.7 | -2.2 | -1.9 | 9.3 | 14.4 | 19.7 | 11.4 | 1.7 | -6.4 | -10.9 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.3 |
| 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) | 5.2 | 5.4 | 8.2 | 8.4 | 9.5 | 8.0 | 9.0 | 10.9 | 7.7 | 8.3 | 5.3 | 4.6 |
| Precipitation (mm) | 83 | 128 | 86 | 175 | 144 | 163 | 290 | 99 | 162 | 165 | 212 | 113 |
| Sunny days | 1 | 0 | 13 | 8 | 11 | 9 | 2 | 2 | 5 | 8 | 3 | 2 |
| Rainy days | 5 | 2 | 15 | 22 | 20 | 21 | 29 | 29 | 25 | 23 | 22 | 14 |
| Snow days | 25 | 26 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 15 |
The best time to visit Namariyama during the most sunny months:
The largest precipitation sum in Namariyama is at