Climateby Month

Phoenix vs Dallas weather

Phoenix, AZ and Dallas, TX · 884 mi apart

July highs: 107°F in Phoenix, 97°F in Dallas (Phoenix is 10°F warmer). January highs: 68°F and 58°F (Phoenix is 10°F warmer). Phoenix has about 33 wet days a year, Dallas about 82. Muggy days: about 12 a year in Phoenix, about 110 in Dallas. Snow: 0.0 in a year in Phoenix, 1.6 in in Dallas.

Phoenix, AZ

20°40°60°80°100°120° January: normal high 68°F (20°C), low 46°F (8°C) February: normal high 71°F (22°C), low 49°F (9°C) March: normal high 78°F (26°C), low 55°F (13°C) April: normal high 86°F (30°C), low 61°F (16°C) May: normal high 95°F (35°C), low 70°F (21°C) June: normal high 104°F (40°C), low 79°F (26°C) July: normal high 107°F (42°C), low 85°F (29°C) 107° 85° August: normal high 105°F (41°C), low 84°F (29°C) September: normal high 100°F (38°C), low 78°F (26°C) October: normal high 89°F (32°C), low 66°F (19°C) November: normal high 77°F (25°C), low 54°F (12°C) December: normal high 66°F (19°C), low 45°F (7°C) 66° 45° JFMAMJJASOND

Best months: January, February

Dallas, TX

20°40°60°80°100°120° 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

Which city for what

  • Milder winters: Phoenix (January high 68°F vs January high 58°F)
  • Cooler summers: Dallas (July high 97°F vs July high 107°F)
  • Fewer wet days: Phoenix (33 a year vs 82 a year)
  • Less humid: Phoenix (12 muggy days vs 110 muggy days)
  • More comfortable days: Phoenix (104 a year vs 91 a year)

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 PhoenixAvg high DallasWet days PhoenixWet days Dallas
Winter (Dec-Feb)68°F60°F1221
Spring (Mar-May)86°F77°F625
Summer (Jun-Aug)105°F96°F917
Fall (Sep-Nov)89°F79°F719

Side by side over a year

PhoenixDallas
Hot days (90°F+)173108
Freezing nights123
Muggy days12110
Comfortable days10491
Precipitation7.2 in38.3 in
Snowfall0.0 in1.6 in
Frost datesfrost in about 18% of yearslast Mar 2, first Nov 29
Daylight in June / December14.3 h / 10.0 h14.3 h / 10.0 h
Best monthsJanuary, FebruaryMarch, April

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 PhoenixHigh DallasWet days PhoenixWet days Dallas
January68°F58°F47
February71°F62°F47
March78°F70°F38
April86°F77°F27
May95°F85°F19
June104°F93°F17
July107°F97°F45
August105°F97°F55
September100°F90°F36
October89°F80°F27
November77°F68°F27
December66°F59°F47

Both charts use the same temperature scale.

Where the numbers come from

  • Phoenix, AZ: temperature from Phoenix Sky Harbor Intl Airport (USW00023183), 4.3 mi ESE of the city center; precipitation from Phoenix Sky Harbor Intl Airport (USW00023183). NOAA 1991-2020 normals and daily records.
  • 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.

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