Average annual temperature is 15.9 °C
Absolute maximum temperature: 40.0 °C
Absolute minimum temperature: -9.5 °C
Number of sunny days: 210 days
Number of rainy days: 155 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) | 18.4 | 20.9 | 25.8 | 27.8 | 33.2 | 39.5 | 37.7 | 40.0 | 37.4 | 31.6 | 24.7 | 17.5 |
| Average daytime temperature (°C) | 9.9 | 11.8 | 14.6 | 21.5 | 26.8 | 31.9 | 33.8 | 34.0 | 30.1 | 21.9 | 15.2 | 11.3 |
| Average temperature (°C) | 4.1 | 5.2 | 8.5 | 14.7 | 20.5 | 25.6 | 27.6 | 27.9 | 23.8 | 16.6 | 9.7 | 6.5 |
| Average night temperature (°C) | 0.0 | 0.5 | 3.8 | 9.0 | 15.3 | 20.1 | 22.6 | 22.8 | 18.7 | 12.4 | 5.7 | 3.1 |
| Absolute minimum temperature (°C) | -9.5 | -8.0 | -5.8 | 2.1 | 6.6 | 16.4 | 17.8 | 16.8 | 14.4 | -1.1 | -3.6 | -2.1 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 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) | 6.4 | 7.2 | 7.6 | 10.0 | 10.4 | 12.2 | 11.5 | 12.0 | 10.5 | 7.8 | 7.4 | 5.5 |
| Precipitation (mm) | 52 | 70 | 63 | 47 | 77 | 39 | 146 | 84 | 71 | 110 | 34 | 71 |
| Sunny days | 20 | 16 | 14 | 16 | 13 | 14 | 16 | 21 | 19 | 19 | 23 | 19 |
| Rainy days | 11 | 12 | 17 | 14 | 18 | 16 | 15 | 10 | 11 | 12 | 7 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Sycamore during the most sunny months:
The largest precipitation sum in Sycamore is at