Best Time to Drive: Ankeny, IA to Carroll, IA

The best overall window to drive from Ankeny, IA to Carroll, IA is July to October. May 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

July to October

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 July to October, 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 20°F

Feb

Fair 25°F

Mar

Good 37°F

Apr

Great 49°F

May

Great 61°F

Jun

Good 71°F

Jul

Great 74°F

Aug

Good 72°F

Sep

Great 65°F

Oct

Great 52°F

Nov

Fair 38°F

Dec

Fair 26°F

Best Good/Fair Challenging

Average Conditions by Month

January

Avg high / low 29 / 11°F

Moisture 0.9 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.

February

Avg high / low 34 / 15°F

Moisture 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.

March

Avg high / low 47 / 27°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 61 / 38°F

Moisture 3.7 in rain

Rating Great

Best departure

7 AM to 10 AM

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 72 / 50°F

Moisture 4.9 in rain

Rating Great

Best departure

7 AM to 10 AM

Wet stretches Patchy fog

Daytime temperatures usually stay in a comfortable driving range.

Weather is mixed enough that departure timing still matters.

June

Avg high / low 81 / 61°F

Moisture 5.1 in rain

Rating Good

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 85 / 64°F

Moisture 4.4 in rain

Rating Great

Best departure

7 AM to 10 AM

Warm afternoons Wet stretches 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 83 / 62°F

Moisture 4.5 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 77 / 53°F

Moisture 3.3 in rain

Rating Great

Best departure

7 AM to 10 AM

Steady driving window

Daytime temperatures usually stay in a comfortable driving range.

Weather is mixed enough that departure timing still matters.

October

Avg high / low 64 / 40°F

Moisture 2.7 in rain

Rating Great

Best departure

7 AM to 10 AM

Steady driving window

Daytime temperatures usually stay in a comfortable driving range.

Weather is mixed enough that departure timing still matters.

November

Avg high / low 47 / 28°F

Moisture 1.7 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 34 / 17°F

Moisture 1.3 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.

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

May

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

7 AM to 10 AM

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

Summer

7 AM to 10 AM

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

Fall

7 AM to 10 AM

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

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 ANKENY (2.3 mi away)

Late route

Late route checkpoint

IA AMES 8 WSW (0.6 mi away)

Destination

Carroll, IA

IA CARROLL (0.9 mi away)

Ready to plan? See the full trip plan from Ankeny, IA to Carroll, IA with stops, fuel costs, and directions.

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