Best time to visit Gilman, IL

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

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

January Cold
High
35.0°F
Low
15.6°F
Precip
3.40 in

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

Daylight ≈ 9h 23m

February Cold
High
40.1°F
Low
18.9°F
Precip
2.75 in

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

Daylight ≈ 10h 26m

March Cool
High
51.7°F
Low
27.9°F
Precip
2.97 in

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

Daylight ≈ 11h 43m

April Good
High
65.2°F
Low
38.0°F
Precip
4.02 in

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

Daylight ≈ 13h 6m

May Good
High
76.0°F
Low
49.2°F
Precip
4.91 in

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

Daylight ≈ 14h 16m

June Good
High
85.0°F
Low
60.0°F
Precip
4.53 in

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

Daylight ≈ 14h 52m

July Good
High
87.6°F
Low
63.1°F
Precip
4.90 in

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

Daylight ≈ 14h 39m

August Good
High
85.3°F
Low
60.3°F
Precip
4.14 in

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

Daylight ≈ 13h 38m

September Good
High
80.4°F
Low
52.2°F
Precip
2.86 in

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

Daylight ≈ 12h 15m

October Good
High
67.8°F
Low
41.7°F
Precip
3.68 in

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

Daylight ≈ 10h 53m

November Cool
High
52.6°F
Low
30.7°F
Precip
3.22 in

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

Daylight ≈ 9h 41m

December Cold
High
40.2°F
Low
21.5°F
Precip
3.01 in

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

Daylight ≈ 9h 5m

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