San Leon climate

San Leon Weather in August

NOAA 1991-2020 normals for Houston Nwso, 15.7 km from San Leon

Average highs run from 93°F on August 1 to 91°F on August 31, and lows from 76°F to 75°F. Normal precipitation for the month is 6.64 in over about 10 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 San Leon, in °F, with the record for each date.60708090100110151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
92°F
Average low
76°F
Precipitation
6.64 in
Record high
107°FAug 27, 2023
Record low
60°FAug 17, 1992
Chance of a freeze
0%
Days of 90°F or more
22.9
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; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Aug 193°F76°F99°F 202368°F 199431%0%
Aug 293°F76°F99°F 199869°F 199431%0%
Aug 393°F76°F99°F 201171°F 199131%0%
Aug 493°F76°F99°F 201169°F 199731%0%
Aug 593°F76°F98°F 202371°F 199232%0%
Aug 693°F76°F98°F 201369°F 199432%0%
Aug 793°F76°F99°F 200368°F 200432%0%
Aug 893°F76°F98°F 201168°F 200432%0%
Aug 993°F76°F98°F 201168°F 200432%0%
Aug 1093°F76°F98°F 201171°F 199432%0%
Aug 1193°F76°F101°F 201570°F 199433%0%
Aug 1293°F76°F98°F 200769°F 200333%0%
Aug 1393°F76°F99°F 200765°F 200433%0%
Aug 1493°F76°F100°F 199964°F 200434%0%
Aug 1593°F76°F103°F 202365°F 200434%0%
Aug 1693°F76°F100°F 201162°F 200434%0%
Aug 1793°F76°F102°F 201160°F 199234%0%
Aug 1892°F76°F103°F 201160°F 199235%0%
Aug 1992°F76°F102°F 201163°F 199235%0%
Aug 2092°F76°F105°F 202366°F 200435%0%
Aug 2192°F76°F99°F 199767°F 199236%0%
Aug 2292°F76°F100°F 202667°F 199236%0%
Aug 2392°F76°F100°F 201167°F 199236%0%
Aug 2492°F76°F105°F 202369°F 199236%0%
Aug 2592°F76°F99°F 202666°F 199737%0%
Aug 2692°F76°F100°F 202365°F 199737%0%
Aug 2791°F75°F107°F 202365°F 199737%0%
Aug 2891°F75°F101°F 201165°F 199237%0%
Aug 2991°F75°F101°F 201160°F 199238%0%
Aug 3091°F75°F103°F 200060°F 199238%0%
Aug 3191°F75°F105°F 200060°F 199238%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at San Leon, 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 (CDT).

August 1
sunrise 6:40 AM, sunset 8:12 PM
August 31
sunrise 6:57 AM, sunset 7:43 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00414333 (Houston Nwso), public domain. Records: NOAA GHCN-Daily, station USC00414333, 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.