Best time to visit Lyons, IL

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

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

January Cold
High
32.7°F
Low
19.4°F
Precip
1.48 in

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

Daylight ≈ 9h 17m

February Cold
High
36.8°F
Low
22.6°F
Precip
1.46 in

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

Daylight ≈ 10h 22m

March Cool
High
47.6°F
Low
31.7°F
Precip
1.88 in

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

Daylight ≈ 11h 43m

April Good
High
59.9°F
Low
41.4°F
Precip
3.57 in

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

Daylight ≈ 13h 8m

May Good
High
71.1°F
Low
52.0°F
Precip
4.09 in

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

Daylight ≈ 14h 22m

June Good
High
80.9°F
Low
62.3°F
Precip
4.01 in

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

Daylight ≈ 14h 59m

July Good
High
85.0°F
Low
67.7°F
Precip
3.55 in

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

Daylight ≈ 14h 45m

August Good
High
82.7°F
Low
66.4°F
Precip
3.99 in

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

Daylight ≈ 13h 41m

September Excellent
High
76.3°F
Low
58.8°F
Precip
2.77 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
63.4°F
Low
46.5°F
Precip
3.48 in

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

Daylight ≈ 10h 50m

November Cool
High
49.1°F
Low
35.0°F
Precip
2.35 in

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

Daylight ≈ 9h 35m

December Cold
High
37.6°F
Low
25.0°F
Precip
1.79 in

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

Daylight ≈ 8h 58m

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