Best time to visit Eureka, IL

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

Eureka is challenging for travel year-round — too hot, too cold, or too wet in every month. The cards below show what to expect.

January —
High
°F
Low
°F
Precip
2.23 in

No data available for this month.

Daylight ≈ 9h 23m

February —
High
°F
Low
°F
Precip
1.90 in

No data available for this month.

Daylight ≈ 10h 26m

March —
High
°F
Low
°F
Precip
2.34 in

No data available for this month.

Daylight ≈ 11h 43m

April —
High
°F
Low
°F
Precip
3.68 in

No data available for this month.

Daylight ≈ 13h 6m

May —
High
°F
Low
°F
Precip
4.54 in

No data available for this month.

Daylight ≈ 14h 16m

June —
High
°F
Low
°F
Precip
4.11 in

No data available for this month.

Daylight ≈ 14h 52m

July —
High
°F
Low
°F
Precip
3.58 in

No data available for this month.

Daylight ≈ 14h 39m

August —
High
°F
Low
°F
Precip
3.65 in

No data available for this month.

Daylight ≈ 13h 38m

September —
High
°F
Low
°F
Precip
3.18 in

No data available for this month.

Daylight ≈ 12h 15m

October —
High
°F
Low
°F
Precip
3.48 in

No data available for this month.

Daylight ≈ 10h 53m

November —
High
°F
Low
°F
Precip
2.93 in

No data available for this month.

Daylight ≈ 9h 41m

December —
High
°F
Low
°F
Precip
2.27 in

No data available for this month.

Daylight ≈ 9h 6m

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