Average annual temperature is 14.3 °C
Absolute maximum temperature: 37.5 °C
Absolute minimum temperature: -6.5 °C
Number of sunny days: 89 days
Number of rainy days: 255 days
Number of snow days: 21 days
Look at detailed online map of Agano
* Weather data for Agano 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) | 13.1 | 14.6 | 22.5 | 25.1 | 30.6 | 29.0 | 33.9 | 37.5 | 34.9 | 25.2 | 25.3 | 17.4 |
| Average daytime temperature (°C) | 4.9 | 5.7 | 13.6 | 16.9 | 21.1 | 25.4 | 29.8 | 34.7 | 29.0 | 19.8 | 15.1 | 8.4 |
| Average temperature (°C) | 1.8 | 2.2 | 7.9 | 11.5 | 16.0 | 21.2 | 25.5 | 29.5 | 24.5 | 15.1 | 10.8 | 5.0 |
| Average night temperature (°C) | -0.7 | -0.7 | 3.0 | 7.1 | 11.4 | 17.6 | 21.6 | 25.3 | 21.3 | 11.4 | 7.4 | 2.3 |
| Absolute minimum temperature (°C) | -6.5 | -5.7 | -2.9 | -1.4 | 2.5 | 13.4 | 16.0 | 22.2 | 15.6 | 6.4 | 2.2 | -3.9 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 4.4 | 4.8 | 7.8 | 7.8 | 8.2 | 8.2 | 9.5 | 11.9 | 7.7 | 7.6 | 5.4 | 3.6 |
| Precipitation (mm) | 159 | 128 | 116 | 115 | 184 | 237 | 207 | 28 | 225 | 224 | 220 | 274 |
| Sunny days | 1 | 6 | 14 | 12 | 10 | 5 | 9 | 12 | 4 | 6 | 7 | 3 |
| Rainy days | 19 | 14 | 17 | 18 | 21 | 25 | 22 | 19 | 26 | 25 | 23 | 26 |
| Snow days | 11 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Agano during the most sunny months:
The largest precipitation sum in Agano is at