Best time to visit Mount Carroll, IL

A month-by-month travel weather guide based on NOAA 30-year climate normals.

The most comfortable travel window in Mount Carroll runs from July through October — 4 months of pleasant temperatures and modest rainfall.

January Cold
High
30.7°F
Low
10.9°F
Precip
1.66 in

Winter weather. Plan around weather; good for snow sports if applicable.

Daylight ≈ 9h 15m

February Cold
High
35.3°F
Low
14.3°F
Precip
1.83 in

Winter weather. Plan around weather; good for snow sports if applicable.

Daylight ≈ 10h 21m

March Cool
High
47.5°F
Low
25.7°F
Precip
2.51 in

Mild but on the chilly side. Pack a jacket; great for hiking and city walks.

Daylight ≈ 11h 43m

April Cool
High
60.6°F
Low
35.8°F
Precip
3.90 in

Mild but on the chilly side. Pack a jacket; great for hiking and city walks.

Daylight ≈ 13h 9m

May Good
High
72.3°F
Low
47.3°F
Precip
4.57 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 14h 23m

June Wet
High
81.7°F
Low
57.0°F
Precip
5.49 in

Frequent rain. Bring waterproof gear; outdoor plans need flexibility.

Daylight ≈ 15h 1m

July Good
High
84.9°F
Low
60.4°F
Precip
4.89 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 14h 47m

August Good
High
83.3°F
Low
58.1°F
Precip
3.91 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 13h 42m

September Good
High
76.9°F
Low
49.6°F
Precip
3.71 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 12h 16m

October Good
High
63.9°F
Low
38.3°F
Precip
3.02 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 10h 50m

November Cool
High
48.5°F
Low
27.4°F
Precip
2.60 in

Mild but on the chilly side. Pack a jacket; great for hiking and city walks.

Daylight ≈ 9h 34m

December Cold
High
35.8°F
Low
17.1°F
Precip
2.21 in

Winter weather. Plan around weather; good for snow sports if applicable.

Daylight ≈ 8h 57m

Looking for similar climates? See Mount Carroll's climate twins. Or jump straight to the full climate profile.