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Houston Weather

Houston’s temperate climate sustains tropical vegetation and allows the city’s residents and visitors an enviable outdoor lifestyle

  • Houston averages only 18.0 days per year with temperatures of 32°F or less and 99.6 days with high temperatures of 90°F or more. Temperatures rarely reach 100°F.
  • Houston’s growing season averages 300 days. The normal frost-free period extends from Feb. 14 to Dec. 11.
  • Houston has had only 14 measurable snowfalls since 1939.
  • A statistically average year contains 90.3 “clear” days, concentrated in October and November; 114.5 “partly cloudy” days, typical of June through September; and 160.3 “cloudy” days, common in December through May.
  • Prevailing wind in Houston is south-southeasterly at a mean speed of 7.4 mph.

Average Temperatures   Average Precipitation
Month High Low   Month Inches  
January 62°F 41°F   January 3.68  
February 67°F 44°F   February 2.98  
March 73°F 51°F   March 3.36  
April 79°F 57°F   April 3.60  
May 86°F 66°F   May 5.15  
June 91°F 72°F   June 5.35  
July 94°F 74°F   July 3.18  
August 94°F 73°F   August 3.83  
September 89°F 68°F   September 4.33  
October 82°F 59°F   October 4.50  
November 72°F 50°F   November 4.19  
December 65°F 43°F   December 3.69  

Source: Greater Houston Partnership

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