Houston, USA: Annual Weather Averages

August is the hottest month in Houston with an average temperature of 29°C (84°F) and the coldest is January at 12°C (54°F) with the most daily sunshine hours at 11 in July. The wettest month is June with an average of 174mm of rain..

Average Temperature: Houston

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 12 14 17 21 25 28 29 29 27 22 17 13
°F 54 57 63 70 77 82 83 84 80 72 63 55

Average High/Low Temperature: Houston

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High °C 17 19 22 26 29 32 33 34 31 27 22 18
Low °C 7 9 12 16 21 23 24 24 22 17 12 8
High °F 63 66 72 79 84 90 91 93 88 81 72 64
Low °F 45 48 54 61 70 73 75 75 72 63 54 46

Average Rainfall: Houston

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 108 77 81 88 130 174 111 115 143 134 115 96
Days 10 8 9 6 8 8 9 9 10 7 8 9

Average Daily Sunshine Hours: Houston

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hours 6 7 7 8 9 11 11 10 8 9 7 6

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