Best time to visit Brownstown, IL

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

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

January Cold
High
37.0°F
Low
21.3°F
Precip
2.82 in

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

Daylight ≈ 9h 33m

February Cold
High
42.1°F
Low
25.3°F
Precip
2.41 in

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

Daylight ≈ 10h 32m

March Cool
High
52.4°F
Low
34.7°F
Precip
3.17 in

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

Daylight ≈ 11h 44m

April Good
High
64.9°F
Low
45.4°F
Precip
4.39 in

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

Daylight ≈ 13h 2m

May Wet
High
74.7°F
Low
55.1°F
Precip
5.34 in

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

Daylight ≈ 14h 8m

June Good
High
83.6°F
Low
65.1°F
Precip
4.13 in

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

Daylight ≈ 14h 42m

July Good
High
86.7°F
Low
67.0°F
Precip
3.74 in

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

Daylight ≈ 14h 29m

August Good
High
85.5°F
Low
64.1°F
Precip
3.15 in

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

Daylight ≈ 13h 32m

September Excellent
High
80.0°F
Low
56.4°F
Precip
3.38 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
44.9°F
Precip
2.89 in

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

Daylight ≈ 10h 57m

November Cool
High
52.8°F
Low
35.5°F
Precip
3.63 in

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

Daylight ≈ 9h 49m

December Cold
High
41.6°F
Low
26.7°F
Precip
2.15 in

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

Daylight ≈ 9h 16m

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