Best Time to Drive: Austin, TX to McKinney, TX

The best overall window to drive from Austin, TX to McKinney, TX is May to September. June is especially comfortable, and 7 AM to 10 AM is usually the easiest departure window. The main things to watch are morning visibility dips.

Best overall window

May to September

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

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 May 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

Fair 33°F

Feb

Fair 35°F

Mar

Fair 40°F

Apr

Good 45°F

May

Good 50°F

Jun

Great 55°F

Jul

Excellent 57°F

Aug

Excellent 57°F

Sep

Great 53°F

Oct

Fair 46°F

Nov

Fair 39°F

Dec

Challenging 34°F

Best Good/Fair Challenging

Average Conditions by Month

January

Avg high / low 41 / 25°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.

February

Avg high / low 43 / 28°F

Moisture 2.5 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.

Rain disruption is usually limited compared with wetter months.

March

Avg high / low 48 / 32°F

Moisture 3.4 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.

April

Avg high / low 52 / 37°F

Moisture 3.3 in rain

Rating Good

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 57 / 43°F

Moisture 4.9 in rain

Rating Good

Best departure

7 AM to 10 AM

Wet stretches Patchy fog

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 62 / 48°F

Moisture 3.9 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.

July

Avg high / low 64 / 49°F

Moisture 2.1 in rain

Rating Excellent

Best departure

7 AM to 10 AM

Holiday traffic

Daytime temperatures usually stay in a comfortable driving range.

Rain disruption is usually limited compared with wetter months.

August

Avg high / low 65 / 49°F

Moisture 2.5 in rain

Rating Excellent

Best departure

7 AM to 10 AM

Steady driving window

Daytime temperatures usually stay in a comfortable driving range.

Rain disruption is usually limited compared with wetter months.

September

Avg high / low 61 / 45°F

Moisture 3.2 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.

October

Avg high / low 54 / 39°F

Moisture 4.6 in rain

Rating Fair

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.

November

Avg high / low 47 / 31°F

Moisture 2.9 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 41 / 27°F

Moisture 3.1 in rain

Rating Challenging

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.

Seasonal Hazards on This Route

Morning visibility dips

May

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

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

Great Plains

Destination zone

Great Plains

Route sample points

Late route

Late route checkpoint

TX statewide fallback (0 mi away)

Late route

Late route checkpoint

TX HILLSBORO (0.8 mi away)

Destination

McKinney, TX

TX MCKINNEY 1.6 ESE (0.9 mi away)

Ready to plan? See the full trip plan from Austin, TX to McKinney, TX with stops, fuel costs, and directions.

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