Houston climate

Houston Weather in August

NOAA 1991-2020 normals for Houston, 1 km from Houston

Average highs run from 88°F on August 1 to 84°F on August 31, and lows from 66°F to 63°F. Normal precipitation for the month is 4.27 in over about 7 wet days.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Houston, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
86°F
Average low
65°F
Precipitation
4.27 in
Record high
104°FAug 13, 2007
Record low
49°FAug 27, 2025
Chance of a freeze
0%
Days of 90°F or more
10.6
Daylight
14 h 03 min to 13 h 00 min
Cloud cover
48%
Humidity
69%
Dew point
64°F
Wind
3.4 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Aug 188°F66°F102°F 201256°F 201425%0%
Aug 288°F66°F101°F 201257°F 200925%0%
Aug 388°F66°F103°F 201154°F 202525%0%
Aug 488°F66°F100°F 201253°F 202525%0%
Aug 588°F66°F101°F 201250°F 201725%0%
Aug 687°F66°F97°F 200850°F 201725%0%
Aug 787°F66°F98°F 200758°F 202025%0%
Aug 887°F66°F99°F 201262°F 201725%0%
Aug 987°F66°F101°F 201258°F 201725%0%
Aug 1087°F66°F99°F 200758°F 202425%0%
Aug 1187°F66°F99°F 200755°F 202425%0%
Aug 1287°F66°F102°F 200759°F 201225%0%
Aug 1387°F66°F104°F 200754°F 201425%0%
Aug 1487°F66°F100°F 200755°F 201425%0%
Aug 1587°F65°F103°F 200751°F 201324%0%
Aug 1687°F65°F104°F 200753°F 201324%0%
Aug 1786°F65°F102°F 202654°F 200824%0%
Aug 1886°F65°F100°F 202550°F 201224%0%
Aug 1986°F65°F99°F 202550°F 201224%0%
Aug 2086°F65°F98°F 202553°F 201523%0%
Aug 2186°F65°F102°F 202353°F 201223%0%
Aug 2286°F65°F100°F 201452°F 202423%0%
Aug 2385°F64°F100°F 201450°F 201823%0%
Aug 2485°F64°F99°F 201450°F 200923%0%
Aug 2585°F64°F101°F 201451°F 201522%0%
Aug 2685°F64°F102°F 202350°F 202522%0%
Aug 2785°F64°F96°F 201449°F 202522%0%
Aug 2884°F63°F94°F 201449°F 202522%0%
Aug 2984°F63°F94°F 200849°F 202522%0%
Aug 3084°F63°F96°F 202651°F 202522%0%
Aug 3184°F63°F99°F 202651°F 202522%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Houston, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 6:12 AM, sunset 8:15 PM
August 31
sunrise 6:38 AM, sunset 7:38 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00234019 (Houston), public domain. Records: NOAA GHCN-Daily, station USC00232981, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.