Average annual temperature is 9.1 °C
Absolute maximum temperature: 32.0 °C
Absolute minimum temperature: -22.3 °C
Number of sunny days: 118 days
Number of rainy days: 195 days
Number of snow days: 52 days
Look at detailed online map of Hongō
* Weather data for Hongō 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) | 6.7 | 6.7 | 13.6 | 15.2 | 21.4 | 25.6 | 30.3 | 32.0 | 28.0 | 22.8 | 19.0 | 11.9 |
| Average daytime temperature (°C) | -2.3 | -0.6 | 7.5 | 11.6 | 16.4 | 20.6 | 25.4 | 28.3 | 23.8 | 16.4 | 10.0 | 2.2 |
| Average temperature (°C) | -7.8 | -5.0 | 2.9 | 7.6 | 11.7 | 16.8 | 21.7 | 24.9 | 20.1 | 12.1 | 5.7 | -2.0 |
| Average night temperature (°C) | -13.6 | -9.8 | -1.3 | 4.2 | 7.6 | 13.9 | 18.9 | 22.5 | 16.9 | 8.5 | 1.7 | -5.6 |
| Absolute minimum temperature (°C) | -22.3 | -17.8 | -10.1 | -0.7 | 1.4 | 6.5 | 14.8 | 18.3 | 9.6 | 1.1 | -7.1 | -14.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.5 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.4 | 7.7 | 8.5 | 8.1 | 9.7 | 8.2 | 9.7 | 9.2 | 7.3 | 8.0 | 6.6 | 5.9 |
| Precipitation (mm) | 28 | 43 | 78 | 135 | 62 | 154 | 94 | 151 | 250 | 83 | 137 | 43 |
| Sunny days | 12 | 7 | 14 | 8 | 12 | 10 | 11 | 6 | 6 | 14 | 7 | 11 |
| Rainy days | 4 | 6 | 13 | 22 | 19 | 20 | 20 | 25 | 24 | 17 | 18 | 7 |
| Snow days | 15 | 15 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 13 |
Months with the longest average daylight duration in Hongō:
The largest precipitation sum in Hongō is at