Best Time to Drive: Rock Island, IL to Peoria, IL

The best overall window to drive from Rock Island, IL to Peoria, IL is January. March is especially comfortable, and 9 AM to 12 PM is usually the easiest departure window. The main things to watch are winter mix risk.

Best overall window

January

This is the clearest single-month sweet spot on the calendar.

Easiest departure pattern

9 AM to 12 PM

Waiting for a little daylight and warmer pavement usually makes the drive easier.

Most challenging stretch

December

November is one of the harder months for this route because the weather friction stacks up faster.

Why This Route Scores Differently

This is a same-day corridor, so departure timing matters almost as much as the month you choose.

The current best window is January, when the drive is more likely to feel steady end to end.

This score uses multiple NOAA sample points along the route instead of a single state-wide climate average.

Month-by-Month Driving Conditions

Jan

Fair 7°F

Feb

Fair 9°F

Mar

Fair 13°F

Apr

Fair 17°F

May

Fair 21°F

Jun

Fair 24°F

Jul

Fair 25°F

Aug

Good 24°F

Sep

Fair 22°F

Oct

Fair 18°F

Nov

Fair 13°F

Dec

Challenging 9°F

Best Good/Fair Challenging

Average Conditions by Month

January

Avg high / low 10 / 4°F

Moisture 1.7 in rain

Rating Fair

Best departure

9 AM to 12 PM

Winter mix risk

Temperatures are workable, but not as easy as the best shoulder-season windows.

Rain disruption is usually limited compared with wetter months.

February

Avg high / low 12 / 6°F

Moisture 1.9 in rain

Rating Fair

Best departure

9 AM to 12 PM

Winter mix risk

Temperatures are workable, but not as easy as the best shoulder-season windows.

Rain disruption is usually limited compared with wetter months.

March

Avg high / low 16 / 9°F

Moisture 2.5 in rain

Rating Fair

Best departure

9 AM to 12 PM

Winter mix risk

Temperatures are workable, but not as easy as the best shoulder-season windows.

Weather is mixed enough that departure timing still matters.

April

Avg high / low 20 / 13°F

Moisture 3.8 in rain

Rating Fair

Best departure

9 AM to 12 PM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Weather is mixed enough that departure timing still matters.

May

Avg high / low 24 / 17°F

Moisture 4.8 in rain

Rating Fair

Best departure

9 AM to 12 PM

Wet stretches

Temperatures are workable, but not as easy as the best shoulder-season windows.

Weather is mixed enough that departure timing still matters.

June

Avg high / low 27 / 20°F

Moisture 4.7 in rain

Rating Fair

Best departure

9 AM to 12 PM

Wet stretches

Temperatures are workable, but not as easy as the best shoulder-season windows.

Weather is mixed enough that departure timing still matters.

July

Avg high / low 28 / 22°F

Moisture 4 in rain

Rating Fair

Best departure

9 AM to 12 PM

Holiday traffic

Temperatures are workable, but not as easy as the best shoulder-season windows.

Weather is mixed enough that departure timing still matters.

August

Avg high / low 27 / 21°F

Moisture 3.6 in rain

Rating Good

Best departure

9 AM to 12 PM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Weather is mixed enough that departure timing still matters.

September

Avg high / low 26 / 18°F

Moisture 3.7 in rain

Rating Fair

Best departure

9 AM to 12 PM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Weather is mixed enough that departure timing still matters.

October

Avg high / low 21 / 14°F

Moisture 3.1 in rain

Rating Fair

Best departure

9 AM to 12 PM

Steady driving window

Temperatures are workable, but not as easy as the best shoulder-season windows.

Weather is mixed enough that departure timing still matters.

November

Avg high / low 16 / 10°F

Moisture 2.7 in rain

Rating Fair

Best departure

9 AM to 12 PM

Holiday traffic

Temperatures are workable, but not as easy as the best shoulder-season windows.

Weather is mixed enough that departure timing still matters.

December

Avg high / low 12 / 7°F

Moisture 2.1 in rain

Rating Challenging

Best departure

9 AM to 12 PM

Winter mix risk Holiday traffic

Temperatures are workable, but not as easy as the best shoulder-season windows.

Rain disruption is usually limited compared with wetter months.

Seasonal Hazards on This Route

Winter mix risk

Jan - Dec

Even light snow or freezing precipitation can matter more than usual when this route turns into a same-day commitment.

Best Departure Time by Season

Spring

9 AM to 12 PM

Waiting for a little daylight and warmer pavement usually makes the drive easier.

Summer

9 AM to 12 PM

Waiting for a little daylight and warmer pavement usually makes the drive easier.

Fall

9 AM to 12 PM

Waiting for a little daylight and warmer pavement usually makes the drive easier.

Winter

9 AM to 12 PM

Waiting for a little daylight and warmer pavement usually makes the drive easier.

How This Score Was Built

Source

Route-sampled NOAA climate normals

High confidence. Built from 3 NOAA-backed route checkpoints rather than a single statewide estimate.

Origin zone

Midwest

Destination zone

Midwest

Route sample points

Late route

Late route checkpoint

IL ROCK IS L&D 15 (0.9 mi away)

Late route

Late route checkpoint

IL WOODHULL (3.4 mi away)

Destination

Peoria, IL

IL PEORIA 5NW (4.2 mi away)

Ready to plan? See the full trip plan from Rock Island, IL to Peoria, IL with stops, fuel costs, and directions.

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