Best time to visit Mattoon, WI

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

The most comfortable travel window in Mattoon runs from May through September — 5 months of pleasant temperatures and modest rainfall.

January Cold
High
20.9°F
Low
3.7°F
Precip
0.83 in

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

Daylight ≈ 8h 57m

February Cold
High
25.0°F
Low
5.1°F
Precip
0.74 in

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

Daylight ≈ 10h 11m

March Cold
High
36.9°F
Low
16.9°F
Precip
1.27 in

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

Daylight ≈ 11h 41m

April Cool
High
51.1°F
Low
30.6°F
Precip
2.51 in

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

Daylight ≈ 13h 16m

May Good
High
64.0°F
Low
42.5°F
Precip
3.29 in

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

Daylight ≈ 14h 39m

June Good
High
73.8°F
Low
52.7°F
Precip
4.46 in

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

Daylight ≈ 15h 22m

July Excellent
High
77.9°F
Low
56.7°F
Precip
3.46 in

Sweet spot — comfortable highs in the 65-80°F range, mild nights, low rain. Ideal for nearly any outdoor plan.

Daylight ≈ 15h 6m

August Excellent
High
76.0°F
Low
54.6°F
Precip
3.40 in

Sweet spot — comfortable highs in the 65-80°F range, mild nights, low rain. Ideal for nearly any outdoor plan.

Daylight ≈ 13h 54m

September Good
High
68.3°F
Low
47.7°F
Precip
3.40 in

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

Daylight ≈ 12h 18m

October Cool
High
54.2°F
Low
35.6°F
Precip
3.04 in

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

Daylight ≈ 10h 42m

November Cold
High
38.5°F
Low
24.2°F
Precip
1.74 in

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

Daylight ≈ 9h 17m

December Cold
High
26.2°F
Low
10.6°F
Precip
1.21 in

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

Daylight ≈ 8h 36m

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