Average annual temperature is 15.9 °C
Absolute maximum temperature: 40.8 °C
Absolute minimum temperature: -12.2 °C
Number of sunny days: 243 days
Number of rainy days: 121 days
Number of snow days: 1 day
Look at detailed online map of Byron
* Weather data for Byron United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 17.0 | 21.6 | 27.3 | 33.1 | 33.7 | 39.2 | 38.2 | 40.8 | 39.8 | 31.6 | 22.8 | 19.5 |
| Average daytime temperature (°C) | 9.6 | 12.3 | 16.0 | 23.5 | 26.2 | 30.4 | 33.7 | 34.7 | 31.2 | 22.8 | 15.1 | 11.6 |
| Average temperature (°C) | 3.5 | 4.5 | 9.1 | 15.5 | 20.2 | 24.4 | 27.5 | 28.3 | 24.8 | 16.7 | 8.9 | 6.1 |
| Average night temperature (°C) | -1.0 | -1.1 | 3.4 | 9.0 | 14.8 | 19.2 | 21.9 | 22.2 | 19.3 | 11.5 | 3.9 | 1.9 |
| Absolute minimum temperature (°C) | -12.2 | -9.9 | -7.7 | 0.8 | 4.3 | 15.5 | 16.6 | 15.8 | 13.9 | -3.0 | -10.4 | -4.6 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.7 | 14.4 | 13.5 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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) | 7.4 | 8.4 | 9.3 | 9.7 | 10.3 | 11.5 | 11.9 | 12.2 | 10.2 | 8.6 | 7.6 | 6.5 |
| Precipitation (mm) | 28 | 28 | 5 | 32 | 129 | 124 | 104 | 53 | 62 | 51 | 71 | 50 |
| Sunny days | 23 | 22 | 22 | 21 | 15 | 12 | 15 | 24 | 22 | 22 | 23 | 22 |
| Rainy days | 8 | 6 | 9 | 9 | 16 | 18 | 16 | 7 | 8 | 9 | 7 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Byron during the most sunny months:
The largest precipitation sum in Byron is at