Grimes County climate

Grimes County Weather in August

NOAA 1991-2020 normals for Washington SP, 29.7 km from Grimes County

Average highs run from 97°F on August 1 to 94°F on August 31, and lows from 73°F to 71°F. Normal precipitation for the month is 3.31 in over about 6 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 Grimes County, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
96°F
Average low
73°F
Precipitation
3.31 in
Record high
118°FAug 26, 2009
Record low
56°FAug 15, 1999
Chance of a freeze
0%
Days of 90°F or more
28.4
Daylight
13 h 36 min to 12 h 48 min
Cloud cover
46%
Humidity
65%
Dew point
70°F
Wind
6.7 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Aug 197°F73°F105°F 201163°F 198416%
Aug 297°F73°F109°F 199865°F 198416%
Aug 397°F73°F107°F 199867°F 201416%
Aug 497°F73°F110°F 199867°F 196516%
Aug 597°F73°F106°F 201167°F 196516%
Aug 697°F73°F106°F 201168°F 196917%
Aug 797°F73°F107°F 196463°F 196117%
Aug 897°F73°F107°F 200365°F 196117%
Aug 997°F73°F107°F 196261°F 198917%
Aug 1097°F73°F109°F 196260°F 198918%
Aug 1197°F73°F110°F 196262°F 198918%
Aug 1297°F73°F108°F 200063°F 196718%
Aug 1397°F73°F108°F 196257°F 200418%
Aug 1497°F73°F109°F 200957°F 200419%
Aug 1597°F73°F111°F 200956°F 199919%
Aug 1697°F73°F107°F 200058°F 200419%
Aug 1797°F73°F106°F 201160°F 199220%
Aug 1897°F73°F106°F 198261°F 199220%
Aug 1997°F73°F106°F 201158°F 200420%
Aug 2096°F73°F107°F 199965°F 195720%
Aug 2196°F73°F109°F 199964°F 195721%
Aug 2296°F72°F106°F 200061°F 195621%
Aug 2396°F72°F115°F 200963°F 195621%
Aug 2496°F72°F115°F 200961°F 195621%
Aug 2596°F72°F105°F 201160°F 196122%
Aug 2695°F72°F118°F 200960°F 196122%
Aug 2795°F72°F118°F 200962°F 196122%
Aug 2895°F72°F110°F 201162°F 196122%
Aug 2995°F72°F110°F 201160°F 195222%
Aug 3095°F71°F109°F 201162°F 198622%
Aug 3194°F71°F109°F 200063°F 199223%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Grimes County, in percent.05101520251102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 6:42 AM, sunset 8:18 PM
August 31
sunrise 7:00 AM, sunset 7:48 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00419491 (Washington SP), public domain. Records: NOAA GHCN-Daily, station USC00419491, 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.