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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 32oF or less and 99.6 days with high temperatures of 90oF or more. Temperatures rarely reach 100oF. 
  • 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:

MONTH        HIGH/LOW

January          62/41°F

February         67/44

March             73/51

April                79/57  

May                86/66

June                91/72

July                 94/74

August             94/73

September       89/68

October           82/59

November        72/50  

December        65/43  

 

Source: Greater Houston Partnership

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