Best Time to Drive: Ann Arbor, MI to Au Train, MI

The best overall window to drive from Ann Arbor, MI to Au Train, MI is June to September. June is especially comfortable, and 8 AM to 11 AM is usually the easiest departure window. The main things to watch are winter mix risk.

Best overall window

June to September

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

Easiest departure pattern

8 AM to 11 AM

Mid-morning is usually the steadiest all-around departure window.

Most challenging stretch

January to February

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

Why This Route Scores Differently

You can usually do this in one long day, which makes daylight and storm timing more important than hotel planning.

The current best window is June to September, 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
Challenging 14°F
Feb
Challenging 15°F
Mar
Fair 21°F
Apr
Fair 30°F
May
Good 39°F
Jun
Great 47°F
Jul
Great 50°F
Aug
Great 50°F
Sep
Good 44°F
Oct
Fair 35°F
Nov
Difficult 26°F
Dec
Difficult 19°F
Best Good/Fair Challenging

Average Conditions by Month

January

Avg high / low 20 / 8°F
Moisture 1.6 in rain
Rating Challenging

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 22 / 8°F
Moisture 1.3 in rain
Rating Challenging

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 29 / 14°F
Moisture 1.5 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.

Rain disruption is usually limited compared with wetter months.

April

Avg high / low 38 / 22°F
Moisture 2.3 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.

May

Avg high / low 48 / 31°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.

June

Avg high / low 55 / 38°F
Moisture 2.7 in rain
Rating Great

Best departure

8 AM to 11 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.

July

Avg high / low 58 / 42°F
Moisture 2.7 in rain
Rating Great

Best departure

8 AM to 11 AM

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 58 / 42°F
Moisture 2.5 in rain
Rating Great

Best departure

8 AM to 11 AM

Steady driving window

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

Rain disruption is usually limited compared with wetter months.

September

Avg high / low 52 / 36°F
Moisture 2.5 in rain
Rating Good

Best departure

8 AM to 11 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.

October

Avg high / low 42 / 28°F
Moisture 2.7 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.

November

Avg high / low 32 / 21°F
Moisture 2 in rain
Rating Difficult

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 24 / 14°F
Moisture 1.7 in rain
Rating Difficult

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

8 AM to 11 AM

Mid-morning is usually the steadiest all-around departure window.

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 4 NOAA-backed route checkpoints rather than a single statewide estimate.

Origin zone

Midwest

Destination zone

Midwest

Route sample points

Late route

Late route checkpoint

MI ANN ARBOR 2.1 WNW (1.6 mi away)

Late route

Late route checkpoint

MI W BRANCH 3SE (1.4 mi away)

Late route

Late route checkpoint

MI ST IGNACE MACKINAC BR (0.9 mi away)

Destination

Au Train, MI

MI CHATHAM EXP FARM 2 (7.4 mi away)

Ready to plan? See the full trip plan from Ann Arbor, MI to Au Train, MI with stops, fuel costs, and directions.

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