Union County climate

Union County Weather in August

NOAA 1991-2020 normals for Creston 2 Sw, 12.8 km from Union County

Average highs run from 85°F on August 1 to 81°F on August 31, and lows from 63°F to 57°F. Normal precipitation for the month is 4.23 in.

August day by day

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

Normal daily high and low temperature at Union County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
83°F
Average low
61°F
Precipitation
4.23 in
Record high
111°FAug 5, 1918
Record low
39°FAug 13, 1964
Chance of a freeze
0%
Days of 90°F or more
5.1
Daylight
14 h 20 min to 13 h 08 min
Cloud cover
51%
Humidity
71%
Dew point
62°F
Wind
8.1 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 185°F63°F100°F 191751°F 19130%
Aug 285°F63°F100°F 194742°F 19070%
Aug 385°F63°F103°F 193047°F 19270%
Aug 484°F63°F101°F 191846°F 19780%
Aug 584°F63°F111°F 191846°F 19570%
Aug 684°F63°F106°F 191848°F 19570%
Aug 784°F62°F104°F 193445°F 19890%
Aug 884°F62°F110°F 193447°F 19640%
Aug 984°F62°F110°F 193444°F 19270%
Aug 1084°F62°F102°F 193445°F 19170%
Aug 1184°F62°F103°F 191146°F 19170%
Aug 1284°F62°F104°F 193643°F 19640%
Aug 1384°F62°F101°F 193639°F 19640%
Aug 1484°F61°F105°F 193645°F 19290%
Aug 1583°F61°F102°F 198844°F 20040%
Aug 1683°F61°F104°F 193650°F 19510%
Aug 1783°F61°F105°F 193646°F 20120%
Aug 1883°F61°F108°F 193648°F 19430%
Aug 1983°F60°F100°F 200345°F 19670%
Aug 2083°F60°F99°F 194739°F 19500%
Aug 2183°F60°F100°F 193639°F 19500%
Aug 2282°F60°F99°F 193645°F 19230%
Aug 2382°F60°F98°F 194744°F 19660%
Aug 2482°F59°F105°F 193642°F 19340%
Aug 2582°F59°F105°F 193639°F 19340%
Aug 2682°F59°F101°F 195541°F 19100%
Aug 2781°F58°F101°F 195540°F 19060%
Aug 2881°F58°F100°F 198440°F 19860%
Aug 2981°F58°F99°F 198443°F 19460%
Aug 3081°F58°F99°F 194739°F 19150%
Aug 3181°F57°F97°F 201339°F 19150%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Union County, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 6:13 AM, sunset 8:33 PM
August 31
sunrise 6:43 AM, sunset 7:51 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00131962 (Creston 2 Sw), public domain. Records: NOAA GHCN-Daily, station USC00131962, 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.