Average annual temperature is 15.7 °C
Absolute maximum temperature: 36.6 °C
Absolute minimum temperature: -5.5 °C
Number of sunny days: 149 days
Number of rainy days: 213 days
Number of snow days: 3 days
Look at detailed online map of Yamagata
* Weather data for Yamagata 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) | 16.3 | 15.0 | 22.0 | 26.7 | 31.8 | 31.7 | 36.4 | 36.6 | 34.1 | 27.0 | 24.9 | 20.4 |
| Average daytime temperature (°C) | 9.3 | 10.3 | 17.0 | 19.4 | 23.7 | 26.7 | 31.9 | 32.2 | 30.1 | 22.1 | 17.0 | 12.0 |
| Average temperature (°C) | 3.8 | 5.1 | 10.6 | 13.8 | 18.1 | 22.3 | 26.9 | 27.5 | 25.3 | 16.2 | 11.7 | 6.6 |
| Average night temperature (°C) | -0.5 | 0.9 | 5.3 | 8.8 | 13.4 | 18.5 | 22.4 | 24.1 | 21.5 | 11.6 | 7.5 | 2.5 |
| Absolute minimum temperature (°C) | -5.5 | -3.0 | -1.4 | 1.3 | 5.7 | 13.1 | 16.1 | 22.3 | 16.5 | 7.1 | -0.5 | -2.3 |
| 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) | 7.5 | 7.4 | 8.5 | 8.1 | 8.8 | 7.5 | 9.6 | 9.7 | 9.3 | 8.4 | 7.8 | 6.8 |
| Precipitation (mm) | 41 | 74 | 112 | 207 | 245 | 386 | 164 | 298 | 162 | 61 | 105 | 71 |
| Sunny days | 13 | 14 | 17 | 14 | 16 | 11 | 7 | 3 | 9 | 18 | 14 | 13 |
| Rainy days | 16 | 14 | 14 | 16 | 15 | 19 | 24 | 28 | 21 | 13 | 16 | 17 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Yamagata is at