Best time to visit Andalusia, IL

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

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

January Cold
High
31.0°F
Low
13.4°F
Precip
1.49 in

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

Daylight ≈ 9h 19m

February Cold
High
36.3°F
Low
17.9°F
Precip
1.78 in

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

Daylight ≈ 10h 24m

March Cool
High
48.4°F
Low
28.0°F
Precip
2.62 in

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

Daylight ≈ 11h 43m

April Good
High
61.4°F
Low
39.3°F
Precip
3.81 in

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

Daylight ≈ 13h 7m

May Wet
High
72.3°F
Low
50.8°F
Precip
5.12 in

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

Daylight ≈ 14h 20m

June Wet
High
81.2°F
Low
61.0°F
Precip
5.22 in

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

Daylight ≈ 14h 57m

July Good
High
83.9°F
Low
64.9°F
Precip
4.22 in

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

Daylight ≈ 14h 43m

August Good
High
82.4°F
Low
63.1°F
Precip
4.03 in

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

Daylight ≈ 13h 40m

September Excellent
High
76.7°F
Low
55.0°F
Precip
3.31 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
63.7°F
Low
42.9°F
Precip
2.89 in

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

Daylight ≈ 10h 51m

November Cool
High
48.7°F
Low
30.2°F
Precip
2.30 in

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

Daylight ≈ 9h 37m

December Cold
High
36.0°F
Low
19.7°F
Precip
2.02 in

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

Daylight ≈ 9h 1m

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