Best time to visit Herrick, IL

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

The most comfortable travel window in Herrick runs from April through October — 7 months of pleasant temperatures and modest rainfall.

January Cold
High
35.0°F
Low
18.9°F
Precip
2.84 in

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

Daylight ≈ 9h 32m

February Cold
High
40.2°F
Low
22.4°F
Precip
2.17 in

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

Daylight ≈ 10h 31m

March Cool
High
51.0°F
Low
31.4°F
Precip
3.11 in

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

Daylight ≈ 11h 44m

April Good
High
63.7°F
Low
41.6°F
Precip
4.59 in

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

Daylight ≈ 13h 2m

May Good
High
73.4°F
Low
52.6°F
Precip
4.75 in

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

Daylight ≈ 14h 9m

June Good
High
82.2°F
Low
61.5°F
Precip
4.57 in

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

Daylight ≈ 14h 43m

July Good
High
85.4°F
Low
64.6°F
Precip
4.06 in

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

Daylight ≈ 14h 30m

August Good
High
84.5°F
Low
61.9°F
Precip
3.57 in

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

Daylight ≈ 13h 32m

September Excellent
High
79.0°F
Low
53.7°F
Precip
3.16 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
66.6°F
Low
42.4°F
Precip
3.55 in

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

Daylight ≈ 10h 57m

November Cool
High
51.6°F
Low
32.4°F
Precip
3.44 in

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

Daylight ≈ 9h 48m

December Cold
High
39.8°F
Low
24.1°F
Precip
2.68 in

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

Daylight ≈ 9h 15m

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