Average annual temperature is 17.3 °C
Absolute maximum temperature: 40.7 °C
Absolute minimum temperature: -5.4 °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) | 20.5 | 22.9 | 26.4 | 28.9 | 31.7 | 39.6 | 39.7 | 40.7 | 36.5 | 30.9 | 27.6 | 21.1 |
| Average daytime temperature (°C) | 11.6 | 14.0 | 16.8 | 21.6 | 26.9 | 32.1 | 34.4 | 35.1 | 30.9 | 22.7 | 17.1 | 12.5 |
| Average temperature (°C) | 6.7 | 7.9 | 11.0 | 15.5 | 21.0 | 26.0 | 28.3 | 28.7 | 24.7 | 17.6 | 11.3 | 7.7 |
| Average night temperature (°C) | 2.9 | 3.6 | 6.7 | 10.5 | 16.3 | 20.8 | 23.3 | 23.6 | 19.8 | 13.8 | 6.8 | 4.2 |
| Absolute minimum temperature (°C) | -5.3 | -5.4 | -3.5 | 5.9 | 7.3 | 16.4 | 20.1 | 17.4 | 16.5 | 0.5 | -2.2 | -1.4 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.9 | 6.1 | 7.3 | 9.2 | 10.3 | 12.2 | 11.5 | 11.8 | 10.5 | 8.1 | 7.9 | 6.4 |
| Precipitation (mm) | 76 | 120 | 224 | 62 | 106 | 87 | 102 | 47 | 119 | 131 | 50 | 71 |
| Sunny days | 18 | 16 | 17 | 17 | 13 | 16 | 16 | 19 | 21 | 16 | 21 | 20 |
| Rainy days | 13 | 12 | 14 | 13 | 18 | 14 | 15 | 12 | 9 | 15 | 9 | 11 |
| 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