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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/LOWJanuary 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
