Average annual temperature is 15.4 °C
Absolute maximum temperature: 39.5 °C
Absolute minimum temperature: -10.9 °C
Number of sunny days: 214 days
Number of rainy days: 149 days
Number of snow days: 2 days
Look at detailed online map of Sycamore
* Weather data for Sycamore 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) | 19.6 | 21.8 | 24.1 | 27.1 | 31.5 | 36.5 | 37.8 | 39.5 | 33.3 | 30.5 | 26.7 | 17.5 |
| Average daytime temperature (°C) | 10.0 | 13.0 | 15.2 | 20.7 | 26.7 | 30.9 | 32.7 | 32.2 | 29.3 | 22.0 | 15.6 | 11.5 |
| Average temperature (°C) | 4.9 | 6.5 | 8.6 | 14.1 | 19.8 | 23.9 | 26.2 | 25.9 | 22.3 | 16.1 | 9.3 | 6.4 |
| Average night temperature (°C) | 1.2 | 1.6 | 3.8 | 8.4 | 13.9 | 17.6 | 21.0 | 21.0 | 16.5 | 11.6 | 4.6 | 2.7 |
| Absolute minimum temperature (°C) | -7.6 | -10.9 | -6.7 | 1.4 | 5.6 | 12.0 | 15.4 | 14.3 | 11.0 | -3.0 | -4.8 | -4.5 |
| 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 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 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) | 5.6 | 7.3 | 7.6 | 10.1 | 10.7 | 12.6 | 11.6 | 10.6 | 10.9 | 7.9 | 7.7 | 6.5 |
| Precipitation (mm) | 81 | 99 | 263 | 49 | 97 | 75 | 42 | 63 | 45 | 57 | 13 | 47 |
| Sunny days | 16 | 18 | 15 | 21 | 16 | 12 | 14 | 20 | 22 | 19 | 22 | 19 |
| Rainy days | 14 | 10 | 16 | 9 | 15 | 18 | 17 | 11 | 8 | 12 | 8 | 11 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Sycamore during the most sunny months:
The largest precipitation sum in Sycamore is at