Climate almanac
Sycamore
Illinois, US · 41.99°, -88.69°
What is the climate like in Sycamore?
The best time to visit Sycamore is typically August – September, with trip comfort peaking in August (6.9/10). Sycamore is warmest in July, when daily highs average 83°F (28°C), and coolest in January, when lows fall to about 18°F (-8°C). The wettest month is typically May and the driest is February; the year sees roughly 41 in of precipitation.
- Best time to visitAugust – September — comfort peaks in August (6.9/10)
- Warmest monthJuly — average high 83°F (28°C)
- Coolest monthJanuary — average low 18°F (-8°C)
- Wettest monthMay (5.2 in)
- Driest monthFebruary (2.0 in)
- Annual precipitation41 in