Houston Weather by Month
Twelve months of Houston, United States weather — averages from 2006–2025.
Houston's warmest month is August (average high 33.6°C (92.5°F)) and the coolest is January (16.7°C (62.1°F)). The most rain falls in May (about 153 mm), and February is the driest (about 89 mm). June is the sunniest, with about 11.5 hours of sunshine a day.
Best months to visit Houston
Ranked within Houston's own year by temperature comfort, rainy days and sunshine — historical averages, not a forecast.
Houston month by month
January
GoodHigh 16.7°C (62.1°F)
Low 7.3°C (45.1°F)
- Rainfall
- 128 mm (5 in)
- Rainy days
- 10 rainy days
- Sunshine
- 7 h sunshine / day
February
GreatHigh 18.9°C (66°F)
Low 9.3°C (48.7°F)
- Rainfall
- 89 mm (3.5 in)
- Rainy days
- 10 rainy days
- Sunshine
- 7.1 h sunshine / day
March
GoodHigh 22.6°C (72.7°F)
Low 13.2°C (55.8°F)
- Rainfall
- 108 mm (4.2 in)
- Rainy days
- 11 rainy days
- Sunshine
- 8.1 h sunshine / day
April
GoodHigh 25.8°C (78.4°F)
Low 16.4°C (61.5°F)
- Rainfall
- 128 mm (5 in)
- Rainy days
- 11 rainy days
- Sunshine
- 9.5 h sunshine / day
May
GoodHigh 29.3°C (84.7°F)
Low 20.6°C (69.1°F)
- Rainfall
- 153 mm (6 in)
- Rainy days
- 12 rainy days
- Sunshine
- 10.4 h sunshine / day
June
FairHigh 32.3°C (90.1°F)
Low 23.8°C (74.8°F)
- Rainfall
- 137 mm (5.4 in)
- Rainy days
- 14 rainy days
- Sunshine
- 11.5 h sunshine / day
July
FairHigh 32.8°C (91°F)
Low 24.6°C (76.3°F)
- Rainfall
- 150 mm (5.9 in)
- Rainy days
- 15 rainy days
- Sunshine
- 11.1 h sunshine / day
August
FairHigh 33.6°C (92.5°F)
Low 25°C (77°F)
- Rainfall
- 128 mm (5.1 in)
- Rainy days
- 14 rainy days
- Sunshine
- 11.3 h sunshine / day
September
GoodHigh 31°C (87.8°F)
Low 22.5°C (72.5°F)
- Rainfall
- 152 mm (6 in)
- Rainy days
- 13 rainy days
- Sunshine
- 10 h sunshine / day
October
GoodHigh 27.4°C (81.3°F)
Low 17.7°C (63.9°F)
- Rainfall
- 120 mm (4.7 in)
- Rainy days
- 9 rainy days
- Sunshine
- 9.4 h sunshine / day
November
GreatHigh 21.9°C (71.4°F)
Low 12.6°C (54.7°F)
- Rainfall
- 96 mm (3.8 in)
- Rainy days
- 9 rainy days
- Sunshine
- 7.8 h sunshine / day
December
GoodHigh 18.6°C (65.5°F)
Low 9.6°C (49.3°F)
- Rainfall
- 124 mm (4.9 in)
- Rainy days
- 11 rainy days
- Sunshine
- 6.6 h sunshine / day
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Based on 20 years of historical weather data (2006–2025) from Open-Meteo. Monthly averages, not a forecast.