Best time to visit Quincy, IL

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

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

January Cold
High
35.1°F
Low
18.9°F
Precip
1.66 in

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

Daylight ≈ 9h 28m

February Cold
High
40.4°F
Low
22.7°F
Precip
1.91 in

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

Daylight ≈ 10h 29m

March Cool
High
51.8°F
Low
32.0°F
Precip
2.48 in

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

Daylight ≈ 11h 44m

April Good
High
64.4°F
Low
42.9°F
Precip
4.22 in

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

Daylight ≈ 13h 4m

May Good
High
74.1°F
Low
54.2°F
Precip
4.80 in

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

Daylight ≈ 14h 12m

June Good
High
83.4°F
Low
63.9°F
Precip
4.12 in

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

Daylight ≈ 14h 47m

July Good
High
87.2°F
Low
67.6°F
Precip
3.64 in

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

Daylight ≈ 14h 34m

August Good
High
85.6°F
Low
65.7°F
Precip
3.33 in

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

Daylight ≈ 13h 35m

September Excellent
High
78.9°F
Low
57.1°F
Precip
3.37 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
66.6°F
Low
45.4°F
Precip
2.65 in

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

Daylight ≈ 10h 55m

November Cool
High
52.5°F
Low
33.8°F
Precip
2.57 in

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

Daylight ≈ 9h 45m

December Cold
High
40.2°F
Low
24.5°F
Precip
1.73 in

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

Daylight ≈ 9h 11m

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