Average annual temperature is 15.5 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: -7.4 °C
Number of sunny days: 113 days
Number of rainy days: 243 days
Number of snow days: 9 days
Look at detailed online map of Sanmandanichō
* Weather data for Sanmandanichō 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) | 15.5 | 15.2 | 22.8 | 25.7 | 31.4 | 31.3 | 35.0 | 36.8 | 34.9 | 25.9 | 25.6 | 19.1 |
| Average daytime temperature (°C) | 7.1 | 7.9 | 15.3 | 18.2 | 22.5 | 26.2 | 31.2 | 33.9 | 30.6 | 21.0 | 16.4 | 10.6 |
| Average temperature (°C) | 3.2 | 3.7 | 9.7 | 13.1 | 17.4 | 21.9 | 26.7 | 29.2 | 25.8 | 15.8 | 11.8 | 6.6 |
| Average night temperature (°C) | -0.1 | 0.0 | 4.7 | 8.7 | 12.7 | 18.0 | 22.7 | 25.6 | 22.0 | 11.5 | 8.1 | 3.1 |
| Absolute minimum temperature (°C) | -7.4 | -6.2 | -1.3 | 1.6 | 3.2 | 12.4 | 17.5 | 22.8 | 15.3 | 6.9 | -1.6 | -3.8 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 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) | 5.3 | 6.2 | 7.9 | 8.1 | 9.0 | 7.9 | 9.3 | 10.6 | 8.9 | 8.4 | 6.5 | 4.7 |
| Precipitation (mm) | 150 | 89 | 132 | 219 | 268 | 383 | 276 | 138 | 169 | 148 | 194 | 221 |
| Sunny days | 3 | 7 | 16 | 14 | 14 | 9 | 9 | 7 | 7 | 12 | 9 | 6 |
| Rainy days | 24 | 17 | 15 | 16 | 17 | 21 | 22 | 24 | 23 | 19 | 21 | 24 |
| Snow days | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Sanmandanichō during the most sunny months:
The largest precipitation sum in Sanmandanichō is at