Best time to visit Humboldt, IL

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

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

January Cold
High
34.8°F
Low
20.2°F
Precip
2.61 in

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

Daylight ≈ 9h 30m

February Cold
High
39.6°F
Low
23.4°F
Precip
2.18 in

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

Daylight ≈ 10h 30m

March Cool
High
51.3°F
Low
32.9°F
Precip
2.81 in

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

Daylight ≈ 11h 44m

April Good
High
64.4°F
Low
43.3°F
Precip
4.78 in

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

Daylight ≈ 13h 3m

May Good
High
74.3°F
Low
54.0°F
Precip
4.10 in

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

Daylight ≈ 14h 11m

June Good
High
82.8°F
Low
63.8°F
Precip
4.71 in

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

Daylight ≈ 14h 45m

July Good
High
86.1°F
Low
66.6°F
Precip
4.26 in

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

Daylight ≈ 14h 32m

August Good
High
84.5°F
Low
65.1°F
Precip
2.85 in

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

Daylight ≈ 13h 34m

September Excellent
High
79.2°F
Low
56.6°F
Precip
3.11 in

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

Daylight ≈ 12h 15m

October Good
High
66.4°F
Low
46.6°F
Precip
3.77 in

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

Daylight ≈ 10h 56m

November Cool
High
51.2°F
Low
34.2°F
Precip
3.56 in

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

Daylight ≈ 9h 46m

December Cold
High
39.7°F
Low
25.4°F
Precip
2.55 in

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

Daylight ≈ 9h 13m

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