Best Time to Drive: Hereford, TX to San Antonio, TX

The best overall window to drive from Hereford, TX to San Antonio, TX is March to May. March is especially comfortable, and 8 AM to 11 AM is usually the easiest departure window. The main things to watch are summer heat load.

Best overall window

March to May

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

December

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

Why This Route Scores Differently

This route is long enough that weather comfort across the whole day matters more than just departure conditions.

The current best window is March to May, 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

Good 44°F

Feb

Good 48°F

Mar

Great 55°F

Apr

Excellent 63°F

May

Great 71°F

Jun

Fair 79°F

Jul

Fair 82°F

Aug

Fair 81°F

Sep

Good 74°F

Oct

Great 64°F

Nov

Good 53°F

Dec

Fair 45°F

Best Good/Fair Challenging

Average Conditions by Month

January

Avg high / low 57 / 31°F

Moisture 1.2 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.

February

Avg high / low 62 / 34°F

Moisture 1.2 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.

Rain disruption is usually limited compared with wetter months.

March

Avg high / low 69 / 41°F

Moisture 1.7 in rain

Rating Great

Best departure

8 AM to 11 AM

Steady driving window

Daytime temperatures usually stay in a comfortable driving range.

Rain disruption is usually limited compared with wetter months.

April

Avg high / low 77 / 48°F

Moisture 1.7 in rain

Rating Excellent

Best departure

8 AM to 11 AM

Steady driving window

Daytime temperatures usually stay in a comfortable driving range.

Rain disruption is usually limited compared with wetter months.

May

Avg high / low 84 / 58°F

Moisture 3.2 in rain

Rating Great

Best departure

8 AM to 11 AM

Warm afternoons

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 91 / 66°F

Moisture 3.3 in rain

Rating Fair

Best departure

6 AM to 9 AM

Heat stress

Afternoon heat can make this route feel harder than the mileage suggests.

Weather is mixed enough that departure timing still matters.

July

Avg high / low 94 / 70°F

Moisture 2.2 in rain

Rating Fair

Best departure

6 AM to 9 AM

Heat stress Holiday traffic

Afternoon heat can make this route feel harder than the mileage suggests.

Rain disruption is usually limited compared with wetter months.

August

Avg high / low 94 / 69°F

Moisture 2.6 in rain

Rating Fair

Best departure

6 AM to 9 AM

Heat stress

Afternoon heat can make this route feel harder than the mileage suggests.

Weather is mixed enough that departure timing still matters.

September

Avg high / low 87 / 62°F

Moisture 2.9 in rain

Rating Good

Best departure

8 AM to 11 AM

Warm afternoons

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 78 / 51°F

Moisture 2.6 in rain

Rating Great

Best departure

8 AM to 11 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 66 / 40°F

Moisture 1.6 in rain

Rating Good

Best departure

8 AM to 11 AM

Holiday traffic

Daytime temperatures usually stay in a comfortable driving range.

Rain disruption is usually limited compared with wetter months.

December

Avg high / low 58 / 32°F

Moisture 1.2 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

Summer heat load

Jun - Aug

Very warm afternoons increase driver fatigue and make tire, coolant, and water planning more important.

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

8 AM to 11 AM

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

Summer

6 AM to 9 AM

Early departures help this route dodge the hottest part of the day.

Fall

8 AM to 11 AM

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

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

Great Plains

Destination zone

Great Plains

Route sample points

Late route

Late route checkpoint

TX HEREFORD (0.1 mi away)

Late route

Late route checkpoint

TX POST (0.3 mi away)

Late route

Late route checkpoint

TX EDEN (7.6 mi away)

Destination

San Antonio, TX

TX SAN ANTONIO INCARNATE WORD (3.4 mi away)

Ready to plan? See the full trip plan from Hereford, TX to San Antonio, TX with stops, fuel costs, and directions.

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