Average annual temperature is 16.6 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -6.4 °C
Number of sunny days: 166 days
Number of rainy days: 196 days
Number of snow days: 3 days
Look at detailed online map of Hontamon
* Weather data for Hontamon 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) | 15.9 | 14.7 | 21.6 | 24.8 | 26.1 | 29.8 | 33.9 | 35.5 | 34.0 | 26.9 | 25.7 | 20.8 |
| Average daytime temperature (°C) | 8.8 | 9.5 | 15.8 | 18.4 | 22.1 | 25.1 | 30.2 | 32.0 | 29.9 | 22.5 | 16.9 | 12.0 |
| Average temperature (°C) | 5.0 | 5.7 | 11.4 | 14.3 | 18.4 | 22.2 | 26.6 | 28.3 | 26.3 | 18.2 | 13.3 | 8.5 |
| Average night temperature (°C) | 1.4 | 1.9 | 7.4 | 10.7 | 15.1 | 19.5 | 23.8 | 25.6 | 23.6 | 14.4 | 10.1 | 5.0 |
| Absolute minimum temperature (°C) | -6.4 | -3.3 | -0.4 | 4.6 | 8.0 | 14.5 | 20.3 | 24.2 | 20.6 | 9.0 | 2.3 | -0.3 |
| 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 | 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) | 7.2 | 6.7 | 8.6 | 7.9 | 9.2 | 6.8 | 9.9 | 10.2 | 10.0 | 8.7 | 7.5 | 7.2 |
| Precipitation (mm) | 46 | 42 | 100 | 192 | 250 | 313 | 93 | 179 | 61 | 33 | 133 | 34 |
| Sunny days | 11 | 10 | 17 | 15 | 16 | 10 | 14 | 7 | 11 | 18 | 16 | 21 |
| Rainy days | 18 | 17 | 14 | 15 | 15 | 20 | 17 | 24 | 19 | 13 | 14 | 10 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Hontamon is at