Climateby Month

Dallas vs Houston weather

Dallas, TX and Houston, TX · 225 mi apart

July highs: 97°F in Dallas, 93°F in Houston (Dallas is 4°F warmer). January highs: 58°F and 64°F (Houston is 6°F warmer). Dallas has about 82 wet days a year, Houston about 107. Muggy days: about 110 a year in Dallas, about 173 in Houston. Snow: 1.6 in a year in Dallas, 0.1 in in Houston.

Dallas, TX

20°40°60°80°100° January: normal high 58°F (14°C), low 38°F (3°C) 58° 38° February: normal high 62°F (17°C), low 42°F (6°C) March: normal high 70°F (21°C), low 49°F (9°C) April: normal high 77°F (25°C), low 57°F (14°C) May: normal high 85°F (29°C), low 66°F (19°C) June: normal high 93°F (34°C), low 74°F (23°C) July: normal high 97°F (36°C), low 78°F (26°C) 97° 78° August: normal high 97°F (36°C), low 77°F (25°C) September: normal high 90°F (32°C), low 70°F (21°C) October: normal high 80°F (27°C), low 59°F (15°C) November: normal high 68°F (20°C), low 48°F (9°C) December: normal high 59°F (15°C), low 40°F (4°C) JFMAMJJASOND

Best months: March, April

Houston, TX

20°40°60°80°100° January: normal high 64°F (18°C), low 46°F (8°C) 64° 46° February: normal high 68°F (20°C), low 50°F (10°C) March: normal high 73°F (23°C), low 56°F (13°C) April: normal high 79°F (26°C), low 62°F (17°C) May: normal high 86°F (30°C), low 69°F (21°C) June: normal high 91°F (33°C), low 75°F (24°C) July: normal high 93°F (34°C), low 77°F (25°C) August: normal high 94°F (34°C), low 77°F (25°C) 94° 77° September: normal high 89°F (32°C), low 73°F (23°C) October: normal high 82°F (28°C), low 64°F (18°C) November: normal high 73°F (23°C), low 54°F (12°C) December: normal high 66°F (19°C), low 48°F (9°C) JFMAMJJASOND

Best months: March

Which city for what

  • Milder winters: Houston (January high 64°F vs January high 58°F)
  • Cooler summers: Houston (July high 93°F vs July high 97°F)
  • Fewer wet days: Dallas (82 a year vs 107 a year)
  • Less humid: Dallas (110 muggy days vs 173 muggy days)
  • Longer growing season: Houston (330 frost-free days vs 272 frost-free days)

Listed only where the difference is at least 3°F in highs, 10 days a year or 3 in of snow.

Season by season

SeasonAvg high DallasAvg high HoustonWet days DallasWet days Houston
Winter (Dec-Feb)60°F66°F2129
Spring (Mar-May)77°F80°F2524
Summer (Jun-Aug)96°F92°F1729
Fall (Sep-Nov)79°F81°F1925

Side by side over a year

DallasHouston
Hot days (90°F+)108101
Freezing nights234
Muggy days110173
Comfortable days9184
Precipitation38.3 in55.6 in
Snowfall1.6 in0.1 in
Frost dateslast Mar 2, first Nov 29last Jan 30, first Dec 28
Daylight in June / December14.3 h / 10.0 h14.0 h / 10.3 h
Best monthsMarch, AprilMarch

Day counts from each city's daily records, 1991-2020. Comfortable days: highs 65-80°F and dew point under 60°F.

Month by month

MonthHigh DallasHigh HoustonWet days DallasWet days Houston
January58°F64°F710
February62°F68°F79
March70°F73°F88
April77°F79°F78
May85°F86°F98
June93°F91°F710
July97°F93°F59
August97°F94°F510
September90°F89°F610
October80°F82°F77
November68°F73°F78
December59°F66°F710

Both charts use the same temperature scale.

Where the numbers come from

  • Dallas, TX: temperature from Dallas Love Fld (USW00013960), 5.5 mi NNW of the city center; precipitation from Dallas Love Fld (USW00013960). NOAA 1991-2020 normals and daily records.
  • Houston, TX: temperature from Houston Hobby Airport (USW00012918), 9.9 mi SSE of the city center; precipitation from Houston Hobby Airport (USW00012918). NOAA 1991-2020 normals and daily records.

Every station for each city, including humidity and frost, is listed on the city page. Methodology.