Average annual temperature is 7.4 °C
Absolute maximum temperature: 30.2 °C
Absolute minimum temperature: -16.8 °C
Number of sunny days: 89 days
Number of rainy days: 192 days
Number of snow days: 84 days
Look at detailed online map of Ariake
* Weather data for Ariake 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) | 5.7 | 5.2 | 11.9 | 14.8 | 21.6 | 26.7 | 27.5 | 30.2 | 25.6 | 20.4 | 15.0 | 11.0 |
| Average daytime temperature (°C) | -5.0 | -3.4 | 5.4 | 9.0 | 15.0 | 20.1 | 22.8 | 24.7 | 22.0 | 14.7 | 6.5 | -1.3 |
| Average temperature (°C) | -8.1 | -6.5 | 1.7 | 5.4 | 10.4 | 15.8 | 19.4 | 21.4 | 18.2 | 11.1 | 3.5 | -4.0 |
| Average night temperature (°C) | -11.2 | -9.8 | -1.3 | 2.7 | 7.1 | 12.6 | 17.0 | 19.4 | 15.2 | 8.4 | 0.8 | -7.0 |
| Absolute minimum temperature (°C) | -16.8 | -15.1 | -9.1 | -3.8 | 0.1 | 5.0 | 11.5 | 15.1 | 9.4 | 1.8 | -7.4 | -14.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.2 | 10.4 | 11.9 | 13.5 | 14.9 | 15.6 | 15.2 | 14.1 | 12.5 | 11.0 | 9.6 | 8.8 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 5.7 | 6.4 | 7.7 | 7.9 | 10.1 | 8.9 | 8.1 | 7.9 | 8.2 | 7.3 | 4.4 | 3.4 |
| Precipitation (mm) | 63 | 45 | 61 | 147 | 43 | 122 | 142 | 262 | 184 | 111 | 191 | 117 |
| Sunny days | 2 | 3 | 12 | 6 | 13 | 10 | 9 | 8 | 11 | 8 | 4 | 3 |
| Rainy days | 3 | 3 | 11 | 23 | 18 | 20 | 22 | 23 | 19 | 23 | 19 | 8 |
| Snow days | 26 | 22 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 20 |
The best time to visit Ariake during the most sunny months:
Months with the longest average daylight duration in Ariake:
The largest precipitation sum in Ariake is at