Best time to visit Stone Park, IL

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

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

January Cold
High
31.6°F
Low
18.8°F
Precip
1.99 in

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

Daylight ≈ 9h 16m

February Cold
High
35.7°F
Low
21.8°F
Precip
1.97 in

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

Daylight ≈ 10h 22m

March Cool
High
47.0°F
Low
31.0°F
Precip
2.45 in

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

Daylight ≈ 11h 43m

April Good
High
59.0°F
Low
40.3°F
Precip
3.75 in

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

Daylight ≈ 13h 8m

May Good
High
70.5°F
Low
50.6°F
Precip
4.49 in

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

Daylight ≈ 14h 22m

June Good
High
80.4°F
Low
60.8°F
Precip
4.10 in

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

Daylight ≈ 14h 60m

July Good
High
84.5°F
Low
66.4°F
Precip
3.71 in

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

Daylight ≈ 14h 46m

August Good
High
82.5°F
Low
65.1°F
Precip
4.25 in

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

Daylight ≈ 13h 42m

September Excellent
High
75.5°F
Low
57.1°F
Precip
3.19 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
62.7°F
Low
45.4°F
Precip
3.43 in

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

Daylight ≈ 10h 50m

November Cool
High
48.4°F
Low
34.1°F
Precip
2.42 in

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

Daylight ≈ 9h 35m

December Cold
High
36.6°F
Low
24.4°F
Precip
2.11 in

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

Daylight ≈ 8h 58m

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