Average annual temperature is 16.6 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: -2.7 °C
Number of sunny days: 120 days
Number of rainy days: 243 days
Number of snow days: 2 days
Look at detailed online map of Aikachō
* Weather data for Aikachō 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) | 15.2 | 13.0 | 20.9 | 22.6 | 25.1 | 29.7 | 30.0 | 33.5 | 29.3 | 24.3 | 24.1 | 19.7 |
| Average daytime temperature (°C) | 8.1 | 8.7 | 14.0 | 16.1 | 20.5 | 24.3 | 27.4 | 30.1 | 26.6 | 20.5 | 16.5 | 11.7 |
| Average temperature (°C) | 6.0 | 6.2 | 10.2 | 13.4 | 17.3 | 21.7 | 26.2 | 28.6 | 25.3 | 19.0 | 14.4 | 9.7 |
| Average night temperature (°C) | 4.0 | 3.7 | 6.9 | 11.1 | 14.7 | 19.5 | 25.1 | 27.2 | 24.2 | 17.3 | 12.0 | 8.0 |
| Absolute minimum temperature (°C) | -2.7 | -0.1 | 0.5 | 5.8 | 8.2 | 15.7 | 22.8 | 24.9 | 21.6 | 13.7 | 4.4 | 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 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.1 | 5.8 | 8.3 | 7.7 | 9.0 | 8.1 | 9.5 | 10.3 | 7.7 | 8.8 | 6.6 | 5.7 |
| Precipitation (mm) | 97 | 90 | 85 | 194 | 243 | 124 | 228 | 135 | 125 | 55 | 172 | 147 |
| Sunny days | 5 | 4 | 16 | 16 | 17 | 7 | 15 | 6 | 6 | 12 | 10 | 6 |
| Rainy days | 25 | 23 | 15 | 14 | 14 | 23 | 16 | 25 | 24 | 19 | 20 | 25 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Aikachō during the most sunny months:
The largest precipitation sum in Aikachō is at