Average annual temperature is 16.5 °C
Absolute maximum temperature: 31.2 °C
Absolute minimum temperature: -1.6 °C
Number of sunny days: 191 days
Number of rainy days: 171 days
Number of snow days: 3 days
Look at detailed online map of Atehama
* Weather data for Atehama 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) | 13.0 | 11.5 | 17.6 | 17.9 | 22.4 | 25.7 | 31.2 | 30.9 | 29.3 | 26.9 | 22.4 | 18.0 |
| Average daytime temperature (°C) | 8.5 | 8.1 | 12.5 | 15.5 | 19.0 | 22.2 | 27.0 | 28.7 | 27.8 | 21.8 | 16.8 | 11.7 |
| Average temperature (°C) | 6.3 | 6.3 | 10.3 | 13.5 | 17.2 | 20.9 | 25.4 | 27.3 | 26.2 | 19.6 | 14.9 | 9.7 |
| Average night temperature (°C) | 4.4 | 4.1 | 8.1 | 11.6 | 15.7 | 19.7 | 24.2 | 26.1 | 24.7 | 17.8 | 12.7 | 7.7 |
| Absolute minimum temperature (°C) | -1.6 | 1.2 | 3.7 | 9.0 | 11.7 | 16.9 | 21.9 | 25.5 | 22.7 | 14.3 | 6.8 | 2.1 |
| 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) | 7.3 | 7.1 | 8.5 | 8.2 | 9.2 | 7.1 | 9.9 | 10.3 | 9.8 | 8.8 | 7.7 | 7.2 |
| Precipitation (mm) | 35 | 37 | 82 | 152 | 196 | 257 | 65 | 187 | 44 | 36 | 110 | 39 |
| Sunny days | 17 | 14 | 20 | 16 | 20 | 11 | 20 | 14 | 11 | 20 | 14 | 14 |
| Rainy days | 13 | 14 | 11 | 14 | 11 | 19 | 11 | 17 | 19 | 11 | 16 | 15 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Atehama is at