Climate

Richardson and Dallas area in “Sun Belt” of the U.S.

  • Temperate climate with mild winters and warm summers
  • Elevation is 620' above sea level at latitude 32º56'53" N and longitude 96º43'46" W
  • Terrain ranges from flat to gently sloping in most locations
  • Prevailing winds are from SE and bring moisture from the Gulf of Mexico
  • Skies are generally sunny to partly cloudy
  • Northern cool fronts can bring milder weather and dry spells
RICHARDSON/DALLAS AREA TEMPERATURE AND PRECIPITATION
Month Avg. Temp.(in F) Avg Min. Temp Avg Max. Temp Avg. Precipitation (inches) Avg. Snowfall (inches)  
Jan 44.1 34.0 54.1 1.9 1.1 
Feb 49.4 38.7 30.1 2.37 1.0
Mar 57.4 46.4 68.3 3.06 0.2
Apr 65.0 54.0 75.9 3.2 Trace
May 73.1 63.0 83.2 5.15 Trace
June 80.9 70.7 91.1 3.28 0.0
July 85 74.6 95.4 2.12 0.0
Aug 84.4 74.0 94.8 2.03 0.0
Sep 77.5 67.2 87.7 2.42 0.0
Oct 67.2 56.4 77.9 4.11 Trace
Nov 55.1 45.1 65.1 2.57 0.1
Dec 46.7 36.8 56.5 2.57 0.2
Annual 65.5 55.1 75.8 34.57 2.6

 

RICHARDSON/DALLAS AREA SKIES AND HUMIDITY*
Month # of Clear Days Avg. Wind (mph) Avg. Humidity
% AM		 Avg. Humidity
% PM
Jan 10 11.7 79 64
Feb 10 12.6 79 62
Mar 10 12.4 79 60
Apr 9 11.1 81 60
May 8 10.6 86 64
Jun 11 9.8 85 60
Jul 15 8.9 79 54
Aug 15 9.3 78 59
Sep 13 9.7 82 59
Oct 14 10.7 81 62
Nov 12 10.8 79 63
Dec 11 10.7 81 61
Annual 138 10.7 81 61
Source: “Comparative Data for the United States”, National Oceanic and Atmospheric Administration, US Department of Commerce.

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