Average annual temperature is 13.5 °C
Absolute maximum temperature: 35.7 °C
Absolute minimum temperature: -9.2 °C
Number of sunny days: 124 days
Number of rainy days: 224 days
Number of snow days: 17 days
Look at detailed online map of Akaiwa-monomi
* Weather data for Akaiwa-monomi 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) | 12.9 | 13.8 | 19.5 | 22.0 | 29.4 | 30.0 | 35.7 | 35.4 | 31.9 | 25.6 | 23.2 | 15.5 |
| Average daytime temperature (°C) | 4.4 | 5.4 | 12.7 | 16.7 | 19.7 | 23.8 | 29.3 | 30.6 | 26.8 | 20.0 | 14.3 | 8.0 |
| Average temperature (°C) | 0.9 | 1.3 | 7.6 | 11.6 | 15.1 | 20.1 | 25.1 | 27.2 | 23.4 | 15.2 | 10.0 | 4.1 |
| Average night temperature (°C) | -1.8 | -1.9 | 3.6 | 7.6 | 11.6 | 17.4 | 21.8 | 24.7 | 20.8 | 11.5 | 6.5 | 1.1 |
| Absolute minimum temperature (°C) | -9.2 | -6.1 | -2.0 | 2.6 | 4.4 | 12.9 | 17.1 | 23.1 | 13.8 | 5.9 | -2.0 | -3.2 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.5 | 7.4 | 8.7 | 9.0 | 8.6 | 8.2 | 9.8 | 11.4 | 7.6 | 8.6 | 6.8 | 6.1 |
| Precipitation (mm) | 20 | 47 | 135 | 82 | 139 | 202 | 142 | 118 | 259 | 105 | 70 | 69 |
| Sunny days | 12 | 13 | 20 | 19 | 10 | 5 | 6 | 2 | 5 | 9 | 10 | 13 |
| Rainy days | 10 | 10 | 11 | 11 | 21 | 25 | 25 | 29 | 25 | 22 | 19 | 16 |
| Snow days | 9 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Akaiwa-monomi during the most sunny months:
The largest precipitation sum in Akaiwa-monomi is at