Average annual temperature is 16.3 °C
Absolute maximum temperature: 36.6 °C
Absolute minimum temperature: -4.9 °C
Number of sunny days: 178 days
Number of rainy days: 186 days
Number of snow days: 1 day
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) | 16.7 | 14.7 | 21.1 | 24.4 | 27.1 | 29.4 | 36.0 | 36.6 | 35.5 | 29.2 | 26.5 | 21.4 |
| Average daytime temperature (°C) | 9.7 | 10.3 | 16.1 | 18.6 | 22.5 | 25.5 | 31.4 | 33.5 | 31.7 | 24.2 | 18.4 | 12.4 |
| Average temperature (°C) | 4.9 | 5.6 | 11.1 | 14.0 | 18.3 | 22.0 | 27.2 | 28.9 | 26.5 | 17.6 | 12.3 | 6.6 |
| Average night temperature (°C) | 1.1 | 1.3 | 6.5 | 9.7 | 14.4 | 18.8 | 23.3 | 24.9 | 22.1 | 11.9 | 7.2 | 2.0 |
| Absolute minimum temperature (°C) | -3.6 | -2.9 | -1.5 | 4.3 | 9.2 | 13.5 | 19.8 | 22.8 | 18.0 | 5.8 | -0.6 | -4.9 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 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 | 8.4 | 8.0 | 9.0 | 7.5 | 9.5 | 10.0 | 9.4 | 8.5 | 8.0 | 7.0 |
| Precipitation (mm) | 32 | 51 | 82 | 205 | 222 | 226 | 117 | 187 | 55 | 15 | 41 | 44 |
| Sunny days | 16 | 16 | 17 | 16 | 15 | 11 | 13 | 5 | 8 | 25 | 18 | 18 |
| Rainy days | 14 | 12 | 14 | 14 | 16 | 19 | 18 | 26 | 22 | 6 | 12 | 13 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Hongō is at