Best time to visit Neponset, IL

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

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

January Cold
High
30.3°F
Low
13.8°F
Precip
1.89 in

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

Daylight ≈ 9h 20m

February Cold
High
34.8°F
Low
17.4°F
Precip
2.06 in

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

Daylight ≈ 10h 24m

March Cool
High
47.7°F
Low
27.4°F
Precip
2.62 in

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

Daylight ≈ 11h 43m

April Cool
High
60.9°F
Low
37.7°F
Precip
3.96 in

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

Daylight ≈ 13h 7m

May Wet
High
72.0°F
Low
50.2°F
Precip
5.07 in

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

Daylight ≈ 14h 19m

June Wet
High
80.9°F
Low
60.2°F
Precip
5.00 in

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

Daylight ≈ 14h 56m

July Good
High
83.7°F
Low
63.4°F
Precip
3.69 in

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

Daylight ≈ 14h 42m

August Good
High
82.2°F
Low
60.7°F
Precip
3.86 in

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

Daylight ≈ 13h 40m

September Excellent
High
76.5°F
Low
51.9°F
Precip
3.68 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
63.8°F
Low
41.0°F
Precip
2.93 in

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

Daylight ≈ 10h 52m

November Cool
High
48.5°F
Low
29.7°F
Precip
2.65 in

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

Daylight ≈ 9h 38m

December Cold
High
35.8°F
Low
19.7°F
Precip
2.17 in

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

Daylight ≈ 9h 2m

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