Union County climate

Union County Weather in August

NOAA 1991-2020 normals for Brookville, 23.7 km from Union County

Average highs run from 87°F on August 1 to 85°F on August 31, and lows from 64°F to 60°F. Normal precipitation for the month is 3.00 in over about 8 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 Union County, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
86°F
Average low
62°F
Precipitation
3.00 in
Record high
100°FAug 8, 2007
Record low
41°FAug 2, 1976
Chance of a freeze
0%
Days of 90°F or more
9.0
Daylight
14 h 13 min to 13 h 05 min
Cloud cover
50%
Humidity
72%
Dew point
63°F
Wind
6.5 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 187°F64°F94°F 200247°F 197129%0%
Aug 287°F64°F95°F 199141°F 197629%0%
Aug 387°F64°F95°F 200248°F 197629%0%
Aug 487°F63°F97°F 200251°F 197629%0%
Aug 587°F63°F97°F 200248°F 200029%0%
Aug 687°F63°F93°F 200747°F 199429%0%
Aug 787°F63°F96°F 200748°F 197129%0%
Aug 887°F63°F100°F 200746°F 198929%0%
Aug 987°F63°F100°F 200749°F 197229%0%
Aug 1087°F63°F95°F 198843°F 197229%0%
Aug 1187°F63°F94°F 198846°F 197228%0%
Aug 1287°F63°F94°F 200546°F 200428%0%
Aug 1387°F63°F94°F 199548°F 197128%0%
Aug 1487°F63°F93°F 198849°F 200028%0%
Aug 1587°F63°F97°F 198846°F 197928%0%
Aug 1687°F63°F98°F 198846°F 197928%0%
Aug 1787°F63°F100°F 198850°F 197928%0%
Aug 1887°F62°F99°F 198847°F 200028%0%
Aug 1986°F62°F98°F 198343°F 200028%0%
Aug 2086°F62°F99°F 198348°F 200027%0%
Aug 2186°F62°F98°F 198347°F 202427%0%
Aug 2286°F62°F95°F 200749°F 196927%0%
Aug 2386°F62°F97°F 200747°F 199727%0%
Aug 2486°F62°F96°F 200745°F 197127%0%
Aug 2586°F61°F96°F 198349°F 200027%0%
Aug 2686°F61°F92°F 198347°F 202527%0%
Aug 2786°F61°F91°F 197345°F 202527%0%
Aug 2885°F61°F92°F 197344°F 198627%0%
Aug 2985°F60°F95°F 200741°F 198627%0%
Aug 3085°F60°F95°F 202444°F 198627%0%
Aug 3185°F60°F93°F 199548°F 197627%0%

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.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

August 1
sunrise 6:39 AM, sunset 8:52 PM
August 31
sunrise 7:07 AM, sunset 8:12 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00121030 (Brookville), public domain. Records: NOAA GHCN-Daily, station USC00127370, 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.