Best time to visit Avon, IL

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

The most comfortable travel window in Avon runs from May through October — 6 months of pleasant temperatures and modest rainfall.

January Cold
High
30.8°F
Low
13.0°F
Precip
1.83 in

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

Daylight ≈ 9h 24m

February Cold
High
35.5°F
Low
16.6°F
Precip
1.84 in

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

Daylight ≈ 10h 26m

March Cool
High
48.4°F
Low
26.3°F
Precip
2.38 in

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

Daylight ≈ 11h 43m

April Cool
High
61.8°F
Low
37.0°F
Precip
3.62 in

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

Daylight ≈ 13h 6m

May Good
High
72.3°F
Low
49.1°F
Precip
4.95 in

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

Daylight ≈ 14h 16m

June Good
High
80.5°F
Low
59.0°F
Precip
4.38 in

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

Daylight ≈ 14h 52m

July Good
High
83.7°F
Low
62.3°F
Precip
4.23 in

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

Daylight ≈ 14h 38m

August Good
High
82.3°F
Low
59.8°F
Precip
3.67 in

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

Daylight ≈ 13h 37m

September Excellent
High
76.8°F
Low
51.0°F
Precip
3.65 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
64.2°F
Low
39.8°F
Precip
2.85 in

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

Daylight ≈ 10h 53m

November Cool
High
49.4°F
Low
28.5°F
Precip
2.37 in

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

Daylight ≈ 9h 41m

December Cold
High
36.4°F
Low
19.5°F
Precip
1.86 in

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

Daylight ≈ 9h 6m

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