Alvin Weather in August
Average highs run from 91°F on August 1 to 91°F on August 31, and lows from 74°F to 74°F. Normal precipitation for the month is 5.60 in over about 10 wet days.
August day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
August at a glance
- Average high
- 91°F
- Average low
- 74°F
- Precipitation
- 5.60 in
- Record high
- 109°FAug 27, 2023
- Record low
- 63°FAug 15, 2004
- Chance of a freeze
- 0%
- Days of 90°F or more
- 22.6
- Daylight
- 13 h 32 min to 12 h 46 min
- Cloud cover
- 49%
- Humidity
- 75%
- Dew point
- 74°F
- Wind
- 7.6 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 91°F | 74°F | 103°F 2023 | 72°F 2000 | 31% |
| Aug 2 | 91°F | 74°F | 101°F 2023 | 72°F 2014 | 31% |
| Aug 3 | 91°F | 74°F | 101°F 2023 | 72°F 2002 | 32% |
| Aug 4 | 91°F | 74°F | 103°F 2023 | 71°F 1997 | 32% |
| Aug 5 | 91°F | 74°F | 103°F 2023 | 72°F 1997 | 32% |
| Aug 6 | 91°F | 74°F | 102°F 2023 | 72°F 2001 | 32% |
| Aug 7 | 91°F | 74°F | 101°F 2003 | 71°F 2004 | 32% |
| Aug 8 | 91°F | 74°F | 101°F 2023 | 71°F 1997 | 32% |
| Aug 9 | 91°F | 74°F | 100°F 2015 | 74°F 2000 | 32% |
| Aug 10 | 91°F | 74°F | 102°F 2015 | 71°F 2000 | 33% |
| Aug 11 | 91°F | 74°F | 105°F 2015 | 71°F 2003 | 33% |
| Aug 12 | 91°F | 74°F | 102°F 2023 | 70°F 2003 | 33% |
| Aug 13 | 91°F | 74°F | 102°F 2023 | 64°F 2004 | 33% |
| Aug 14 | 91°F | 74°F | 104°F 2023 | 65°F 2004 | 33% |
| Aug 15 | 91°F | 74°F | 106°F 2023 | 63°F 2004 | 34% |
| Aug 16 | 91°F | 74°F | 100°F 2000 | 64°F 2004 | 34% |
| Aug 17 | 91°F | 74°F | 104°F 2023 | 65°F 2004 | 34% |
| Aug 18 | 91°F | 74°F | 102°F 2023 | 68°F 2004 | 34% |
| Aug 19 | 91°F | 74°F | 104°F 2023 | 70°F 2000 | 35% |
| Aug 20 | 91°F | 74°F | 107°F 2023 | 71°F 2000 | 35% |
| Aug 21 | 91°F | 74°F | 99°F 2023 | 72°F 2003 | 35% |
| Aug 22 | 91°F | 74°F | 100°F 2026 | 72°F 2003 | 36% |
| Aug 23 | 91°F | 74°F | 101°F 2023 | 71°F 2001 | 36% |
| Aug 24 | 91°F | 74°F | 107°F 2023 | 71°F 1997 | 36% |
| Aug 25 | 91°F | 74°F | 102°F 2023 | 69°F 1997 | 37% |
| Aug 26 | 91°F | 74°F | 104°F 2023 | 65°F 1997 | 37% |
| Aug 27 | 91°F | 74°F | 109°F 2023 | 71°F 1997 | 37% |
| Aug 28 | 91°F | 74°F | 102°F 2011 | 70°F 1997 | 37% |
| Aug 29 | 91°F | 74°F | 102°F 2011 | 69°F 1997 | 38% |
| Aug 30 | 91°F | 74°F | 103°F 2000 | 70°F 1997 | 38% |
| Aug 31 | 91°F | 74°F | 106°F 2000 | 71°F 1997 | 38% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (CDT).
- August 1
- sunrise 6:41 AM, sunset 8:13 PM
- August 31
- sunrise 6:58 AM, sunset 7:44 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00410204 (Alvin), public domain. Records: NOAA GHCN-Daily, station USW00012975, 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.