Best time to visit McNabb, IL

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

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

January Cold
High
32.3°F
Low
16.8°F
Precip
1.95 in

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

Daylight ≈ 9h 21m

February Cold
High
37.1°F
Low
20.1°F
Precip
1.80 in

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

Daylight ≈ 10h 25m

March Cool
High
50.1°F
Low
30.1°F
Precip
2.46 in

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

Daylight ≈ 11h 43m

April Good
High
63.5°F
Low
40.5°F
Precip
3.85 in

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

Daylight ≈ 13h 7m

May Good
High
73.7°F
Low
51.3°F
Precip
4.76 in

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

Daylight ≈ 14h 19m

June Good
High
81.7°F
Low
61.4°F
Precip
4.55 in

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

Daylight ≈ 14h 55m

July Good
High
84.5°F
Low
64.5°F
Precip
3.89 in

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

Daylight ≈ 14h 41m

August Good
High
82.9°F
Low
62.4°F
Precip
3.77 in

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

Daylight ≈ 13h 39m

September Excellent
High
77.1°F
Low
54.5°F
Precip
3.45 in

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

Daylight ≈ 12h 16m

October Good
High
65.2°F
Low
43.0°F
Precip
3.31 in

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

Daylight ≈ 10h 52m

November Cool
High
49.9°F
Low
32.3°F
Precip
2.60 in

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

Daylight ≈ 9h 39m

December Cold
High
36.7°F
Low
21.8°F
Precip
2.19 in

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

Daylight ≈ 9h 3m

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