Best Time to Drive: Port Arthur, TX to Killeen, TX

The best time to drive from Port Arthur, TX to Killeen, TX is April, February, when temperatures are comfortable and weather conditions are most predictable. January is the most challenging month due to weather risks along this route.

Best month

April

Also great

February

Also great

March

Month-by-Month Driving Conditions

Jan

Good 52°F

Feb

Great 56°F

Mar

Great 63°F

Apr

Excellent 70°F

May

Good 77°F

Jun

Good 83°F

Jul

Good 86°F

Aug

Good 87°F

Sep

Good 81°F

Oct

Good 72°F

Nov

Good 61°F

Dec

Fair 54°F

Best Good/Fair Challenging

Average Conditions by Month

January

Avg temp 52°F

Rainy days ~2.6

Rating Good

February

Avg temp 56°F

Rainy days ~1.9

Rating Great

March

Avg temp 63°F

Rainy days ~2.9

Rating Great

April

Avg temp 70°F

Rainy days ~2.4

Rating Excellent

May

Avg temp 77°F

Rainy days ~5

Rating Good

June

Avg temp 83°F

Rainy days ~3.7

Rating Good

July

Avg temp 86°F

Rainy days ~2

Rating Good

August

Avg temp 87°F

Rainy days ~2.7

Rating Good

September

Avg temp 81°F

Rainy days ~3.5

Rating Good

October

Avg temp 72°F

Rainy days ~3.9

Rating Good

November

Avg temp 61°F

Rainy days ~2.9

Rating Good

December

Avg temp 54°F

Rainy days ~2.7

Rating Fair

Seasonal Hazards on This Route

Extreme heat

Jun - Sep

Summer temperatures can exceed 110°F. Carry extra water, check tire pressure, and avoid midday desert driving.

Tornado Alley

Apr - Jun

Severe thunderstorms and tornadoes are most common in spring. Check storm forecasts before departing.

Climate Context

Port Arthur, TX

Great Plains

Killeen, TX

Great Plains

Ready to plan? See the full trip plan from Port Arthur, TX to Killeen, TX with stops, fuel costs, and directions.

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