Average annual temperature is 14.9 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: -6.0 °C
Number of sunny days: 155 days
Number of rainy days: 205 days
Number of snow days: 5 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) | 17.4 | 14.5 | 20.4 | 25.4 | 28.8 | 30.8 | 33.7 | 34.0 | 34.2 | 26.5 | 25.4 | 19.7 |
| Average daytime temperature (°C) | 8.6 | 9.9 | 15.7 | 18.4 | 22.3 | 25.6 | 29.8 | 30.9 | 28.8 | 21.5 | 16.3 | 10.7 |
| Average temperature (°C) | 3.5 | 4.7 | 9.9 | 13.2 | 17.3 | 21.1 | 25.5 | 26.5 | 24.1 | 15.6 | 11.1 | 5.8 |
| Average night temperature (°C) | -0.3 | 0.8 | 5.0 | 9.0 | 13.2 | 17.7 | 22.3 | 23.4 | 20.7 | 11.2 | 7.1 | 2.1 |
| Absolute minimum temperature (°C) | -6.0 | -3.3 | -4.0 | 2.6 | 5.2 | 11.7 | 17.4 | 20.1 | 17.4 | 5.4 | -0.7 | -3.0 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.0 | 6.7 | 8.2 | 7.8 | 8.3 | 7.1 | 8.8 | 9.0 | 8.7 | 8.5 | 8.2 | 6.6 |
| Precipitation (mm) | 66 | 80 | 92 | 235 | 245 | 257 | 177 | 247 | 113 | 16 | 38 | 60 |
| Sunny days | 16 | 15 | 17 | 13 | 13 | 9 | 4 | 5 | 6 | 24 | 17 | 16 |
| Rainy days | 12 | 12 | 14 | 17 | 18 | 21 | 27 | 26 | 24 | 7 | 13 | 14 |
| Snow days | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Hongō is at