Best time to visit Hardin, IL

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

The most comfortable travel window in Hardin runs from June through October — 5 months of pleasant temperatures and modest rainfall.

January Cold
High
37.7°F
Low
19.7°F
Precip
2.35 in

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

Daylight ≈ 9h 32m

February Cold
High
43.3°F
Low
23.3°F
Precip
2.21 in

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

Daylight ≈ 10h 31m

March Cool
High
54.9°F
Low
32.5°F
Precip
3.20 in

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

Daylight ≈ 11h 44m

April Good
High
66.9°F
Low
42.7°F
Precip
4.40 in

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

Daylight ≈ 13h 2m

May Wet
High
75.2°F
Low
53.2°F
Precip
5.00 in

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

Daylight ≈ 14h 9m

June Good
High
83.4°F
Low
62.1°F
Precip
4.17 in

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

Daylight ≈ 14h 42m

July Good
High
86.8°F
Low
66.0°F
Precip
4.24 in

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

Daylight ≈ 14h 30m

August Good
High
85.1°F
Low
64.0°F
Precip
3.16 in

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

Daylight ≈ 13h 32m

September Excellent
High
78.5°F
Low
55.7°F
Precip
3.49 in

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

Daylight ≈ 12h 14m

October Good
High
67.3°F
Low
44.4°F
Precip
3.28 in

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

Daylight ≈ 10h 57m

November Cool
High
53.7°F
Low
33.4°F
Precip
3.28 in

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

Daylight ≈ 9h 49m

December Cold
High
41.4°F
Low
24.4°F
Precip
2.47 in

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

Daylight ≈ 9h 15m

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