Best time to visit Catlin, IL

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

The most comfortable travel window in Catlin runs from July through October — 4 months of pleasant temperatures and modest rainfall.

January Cold
High
35.3°F
Low
19.5°F
Precip
2.47 in

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

Daylight ≈ 9h 27m

February Cold
High
40.4°F
Low
22.9°F
Precip
2.24 in

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

Daylight ≈ 10h 28m

March Cool
High
52.0°F
Low
32.1°F
Precip
3.23 in

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

Daylight ≈ 11h 44m

April Good
High
65.2°F
Low
42.3°F
Precip
4.46 in

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

Daylight ≈ 13h 4m

May Good
High
75.3°F
Low
52.3°F
Precip
4.63 in

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

Daylight ≈ 14h 13m

June Wet
High
83.1°F
Low
61.3°F
Precip
5.18 in

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

Daylight ≈ 14h 48m

July Good
High
85.4°F
Low
64.8°F
Precip
4.34 in

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

Daylight ≈ 14h 35m

August Good
High
83.9°F
Low
63.0°F
Precip
3.31 in

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

Daylight ≈ 13h 35m

September Excellent
High
78.9°F
Low
55.6°F
Precip
3.26 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
66.5°F
Low
44.3°F
Precip
3.66 in

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

Daylight ≈ 10h 55m

November Cool
High
51.9°F
Low
33.8°F
Precip
3.70 in

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

Daylight ≈ 9h 44m

December Cold
High
39.9°F
Low
24.9°F
Precip
2.73 in

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

Daylight ≈ 9h 10m

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