Best Time to Drive: Waukegan, IL to Sumner, IL

The best time to drive from Waukegan, IL to Sumner, IL is September, May, when temperatures are comfortable and weather conditions are most predictable. February is the most challenging month due to weather risks along this route.

Best month

September

Also great

May

Also great

June

Month-by-Month Driving Conditions

Jan

Challenging 25°F

Feb

Challenging 29°F

Mar

Fair 39°F

Apr

Good 50°F

May

Great 61°F

Jun

Great 71°F

Jul

Good 75°F

Aug

Great 74°F

Sep

Great 66°F

Oct

Good 54°F

Nov

Fair 41°F

Dec

Challenging 31°F

Best Good/Fair Challenging

Average Conditions by Month

January

Avg temp 25°F

Rainy days ~2

Rating Challenging

February

Avg temp 29°F

Rainy days ~2

Rating Challenging

March

Avg temp 39°F

Rainy days ~2.5

Rating Fair

April

Avg temp 50°F

Rainy days ~3.8

Rating Good

May

Avg temp 61°F

Rainy days ~4.5

Rating Great

June

Avg temp 71°F

Rainy days ~4.1

Rating Great

July

Avg temp 75°F

Rainy days ~3.7

Rating Good

August

Avg temp 74°F

Rainy days ~4.3

Rating Great

September

Avg temp 66°F

Rainy days ~3.2

Rating Great

October

Avg temp 54°F

Rainy days ~3.4

Rating Good

November

Avg temp 41°F

Rainy days ~2.4

Rating Fair

December

Avg temp 31°F

Rainy days ~2.1

Rating Challenging

Seasonal Hazards on This Route

Winter storms and ice

Dec - Mar

Heavy snow and ice can make driving hazardous. Allow extra time and carry winter gear from December through March.

Tornado Alley

Apr - Jun

Severe thunderstorms and tornadoes are most common in spring. Check storm forecasts before departing.

Climate Context

Waukegan, IL

Midwest

Sumner, IL

Midwest

Ready to plan? See the full trip plan from Waukegan, IL to Sumner, IL with stops, fuel costs, and directions.

Considering flying instead? Compare driving vs flying for this route.