Best Time to Drive: Ankeny, IA to Carter Lake, IA

The best overall window to drive from Ankeny, IA to Carter Lake, IA is August to October. April 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 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 August 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 22°F

Feb

Fair 26°F

Mar

Good 39°F

Apr

Great 50°F

May

Great 62°F

Jun

Good 72°F

Jul

Good 76°F

Aug

Good 74°F

Sep

Great 66°F

Oct

Great 53°F

Nov

Good 39°F

Dec

Challenging 27°F

Best Good/Fair Challenging

Average Conditions by Month

January

Avg high / low 31 / 12°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 36 / 16°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 50 / 27°F

Moisture 1.9 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 63 / 38°F

Moisture 3.7 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.

May

Avg high / low 73 / 51°F

Moisture 5.1 in rain

Rating Great

Best departure

7 AM to 10 AM

Storm-prone Patchy fog

Daytime temperatures usually stay in a comfortable driving range.

Rain is common enough that extra buffer time makes sense.

June

Avg high / low 83 / 61°F

Moisture 5.2 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 87 / 65°F

Moisture 4 in rain

Rating Good

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 85 / 63°F

Moisture 4.6 in rain

Rating Good

Best departure

7 AM to 10 AM

Warm afternoons 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 78 / 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 65 / 41°F

Moisture 2.6 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 49 / 28°F

Moisture 1.7 in rain

Rating Good

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 36 / 18°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

May - 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 ATLANTIC 1 NE (9.4 mi away)

Destination

Carter Lake, IA

NE OMAHA EPPLEY AIRFIELD 72550 (1.7 mi away)

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

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