Best time to visit New Grand Chain, IL
A month-by-month travel weather guide based on NOAA 30-year climate normals.
The most comfortable travel window in New Grand Chain runs from September through November — 3 months of pleasant temperatures and modest rainfall.
Winter weather. Plan around weather; good for snow sports if applicable.
Daylight ≈ 9h 42m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 10h 37m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 11h 45m
Frequent rain. Bring waterproof gear; outdoor plans need flexibility.
Daylight ≈ 12h 58m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 13h 60m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 14h 31m
Summer heat. Avoid midday exertion; aim for morning and evening activities.
Daylight ≈ 14h 20m
Summer heat. Avoid midday exertion; aim for morning and evening activities.
Daylight ≈ 13h 26m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 12h 13m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 11h 1m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 9h 57m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 9h 27m
Looking for similar climates? See New Grand Chain's climate twins. Or jump straight to the full climate profile.