Harris County climate

Harris County Weather in August

NOAA 1991-2020 normals for Columbus Metro AP, 24.6 km from Harris County

Average highs run from 93°F on August 1 to 90°F on August 31, and lows from 74°F to 72°F. Normal precipitation for the month is 4.68 in over about 11 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 Harris County, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
92°F
Average low
73°F
Precipitation
4.68 in
Record high
105°FAug 11, 2007
Record low
52°FAug 31, 2017
Chance of a freeze
0%
Days of 90°F or more
21.2
Daylight
13 h 44 min to 12 h 51 min
Cloud cover
56%
Humidity
72%
Dew point
69°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 193°F74°F101°F 201061°F 201737%0%
Aug 293°F74°F100°F 199956°F 201737%0%
Aug 393°F74°F99°F 199962°F 201137%0%
Aug 493°F74°F99°F 201165°F 199837%0%
Aug 593°F74°F99°F 200765°F 199837%0%
Aug 693°F74°F97°F 200665°F 199837%0%
Aug 793°F74°F99°F 200860°F 201737%0%
Aug 893°F74°F96°F 200657°F 201737%0%
Aug 992°F74°F102°F 200763°F 200237%0%
Aug 1092°F74°F103°F 200763°F 200236%0%
Aug 1192°F74°F105°F 200763°F 200836%0%
Aug 1292°F73°F103°F 200764°F 200236%0%
Aug 1392°F73°F100°F 199961°F 201236%0%
Aug 1492°F73°F100°F 199954°F 201736%0%
Aug 1592°F73°F102°F 200759°F 200435%0%
Aug 1692°F73°F103°F 200760°F 200035%0%
Aug 1792°F73°F101°F 200764°F 202335%0%
Aug 1892°F73°F102°F 200056°F 200334%0%
Aug 1992°F73°F102°F 200064°F 200434%0%
Aug 2092°F73°F99°F 199966°F 200433%0%
Aug 2192°F73°F99°F 199964°F 202033%0%
Aug 2291°F73°F100°F 200763°F 199833%0%
Aug 2391°F73°F104°F 200764°F 200932%0%
Aug 2491°F73°F98°F 201063°F 199832%0%
Aug 2591°F72°F97°F 200263°F 199831%0%
Aug 2691°F72°F98°F 202362°F 202531%0%
Aug 2791°F72°F101°F 201162°F 201530%0%
Aug 2891°F72°F98°F 199861°F 202530%0%
Aug 2991°F72°F98°F 199862°F 200130%0%
Aug 3091°F72°F100°F 199857°F 202429%0%
Aug 3190°F72°F101°F 199852°F 201729%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Harris County, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

August 1
sunrise 6:54 AM, sunset 8:38 PM
August 31
sunrise 7:14 AM, sunset 8:05 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00093842 (Columbus Metro AP), public domain. Records: NOAA GHCN-Daily, station USC00096148, 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.