Climate · Houston

Houston in August

Very hot and damp, as the days shorten.

Typical weather, averaged over 30 years

August in Houston is very hot: highs near 96°F, lows near 77°F. Rain falls on about three days a week, more often as the month goes on, and the days shorten by 45 minutes from the first week to the last.August in Houston is very hot: highs near 36°C, lows near 25°C. Rain falls on about three days a week, more often as the month goes on, and the days shorten by 45 minutes from the first week to the last.

High
96°F36°Caverage
Low
77°F25°Caverage
Wet days
3a week · 44% of days
Daylight
13h 10mon average

Is August a good time to visit Houston?


August sits outside Houston's best months, which run in two parts: March to April, or November. Expect very hot days and rain on about three days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How August sits in the year

week by week

Temperature

Highs near 96°F in August, against 66°F to 96°F through the year.Highs near 36°C in August, against 19°C to 36°C through the year.

Chance of a wet day

44% of days in August, against 31% to 46% through the year.

Cloud cover

52% cover in August, against 32% to 52% through the year.

Daylight

13h 10m in August, against 10h 16m to 14h 01m through the year.

Week by week, lightly smoothed, with August shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side


  1. July94°34°low 76°low 24°3 wet days a weekRain on about three days a week.
  2. August96°36°low 77°low 25°3 wet days a weekRain on about three days a week.
  3. September92°33°low 73°low 23°3 wet days a weekRain on about three days a week.

Where Houston sits, in August

America/Chicago

this place
typical high in August 40°F4°C95°F35°C
Sunrise, mid-August
6:49 AMsets 8:04 PM
Above the sea
10 mlow-lying
Latitude
29.8°Nnorthern hemisphere
Nearest of ours
San Antonio322 km west

The land around Houston, shaded by its typical high in August, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in United States in August

high · low · wet days

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Houston. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.