Best Time to Drive: Cedar Falls, IA to Charles City, IA

The best overall window to drive from Cedar Falls, IA to Charles City, IA is August. July is especially comfortable, and 7 AM to 10 AM is usually the easiest departure window. The main things to watch are heavy rain and ponding.

Best overall window

August

This stretch gives the steadiest mix of comfort, daylight, and lower weather friction.

Easiest departure pattern

7 AM to 10 AM

This is short enough that a mid-morning departure still keeps the whole drive comfortable.

Most challenging stretch

December

February 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 August, 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 12°F

Feb

Fair 15°F

Mar

Good 24°F

Apr

Fair 32°F

May

Fair 40°F

Jun

Fair 47°F

Jul

Good 49°F

Aug

Good 47°F

Sep

Good 42°F

Oct

Good 34°F

Nov

Fair 24°F

Dec

Challenging 16°F

Best Good/Fair Challenging

Average Conditions by Month

January

Avg high / low 18 / 6°F

Moisture 1.1 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 21 / 9°F

Moisture 1.2 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 30 / 17°F

Moisture 2 in rain

Rating Good

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.

April

Avg high / low 40 / 25°F

Moisture 3.9 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.

Weather is mixed enough that departure timing still matters.

May

Avg high / low 47 / 33°F

Moisture 4.9 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 54 / 40°F

Moisture 5.9 in rain

Rating Fair

Best departure

7 AM to 10 AM

Storm-prone

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

Rain is common enough that extra buffer time makes sense.

July

Avg high / low 56 / 42°F

Moisture 4.7 in rain

Rating Good

Best departure

7 AM to 10 AM

Wet stretches Patchy fog 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 54 / 40°F

Moisture 4.3 in rain

Rating Good

Best departure

7 AM to 10 AM

Wet stretches

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 50 / 35°F

Moisture 3.5 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.

October

Avg high / low 41 / 26°F

Moisture 2.7 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.

November

Avg high / low 30 / 18°F

Moisture 1.8 in rain

Rating Fair

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.

December

Avg high / low 21 / 11°F

Moisture 1.4 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

Heavy rain and ponding

Jun

Short intense downpours can make a same-day drive feel longer than the raw route time suggests.

Morning visibility dips

Jul

Cooler humid mornings can start with patchy fog, so it can be worth waiting a bit before leaving.

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

7 AM to 10 AM

This is short enough that a mid-morning departure still keeps the whole drive comfortable.

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

IA WATERLOO MUNI AP 72548 (2.9 mi away)

Late route

Late route checkpoint

IA NASHUA 2 SW (8 mi away)

Destination

Charles City, IA

IA CHARLES CITY (0.4 mi away)

Ready to plan? See the full trip plan from Cedar Falls, IA to Charles City, IA with stops, fuel costs, and directions.

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