Union County climate

Union County Weather in August

NOAA 1991-2020 normals for Norris, 21.7 km from Union County

Average highs run from 85°F on August 1 to 83°F on August 31, and lows from 64°F to 61°F. Normal precipitation for the month is 4.27 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 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
85°F
Average low
63°F
Precipitation
4.27 in
Record high
100°FAug 8, 1935
Record low
42°FAug 22, 1985
Chance of a freeze
0%
Days of 90°F or more
4.9
Daylight
13 h 59 min to 12 h 58 min
Cloud cover
55%
Humidity
70%
Dew point
63°F
Wind
3.1 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°F64°F97°F 195753°F 199339%0%
Aug 285°F64°F96°F 197054°F 199739%0%
Aug 385°F63°F97°F 196453°F 197638%0%
Aug 485°F63°F98°F 195754°F 198538%0%
Aug 585°F63°F93°F 196351°F 198538%0%
Aug 685°F63°F96°F 195453°F 198537%0%
Aug 785°F63°F96°F 197748°F 200437%0%
Aug 885°F63°F100°F 193547°F 198937%0%
Aug 985°F63°F96°F 198047°F 198937%0%
Aug 1085°F63°F98°F 198048°F 198936%0%
Aug 1185°F63°F96°F 198052°F 196236%0%
Aug 1285°F63°F97°F 195752°F 200835%0%
Aug 1385°F63°F99°F 195748°F 196435%0%
Aug 1485°F63°F100°F 195748°F 196435%0%
Aug 1585°F63°F96°F 195751°F 196334%0%
Aug 1685°F63°F97°F 200752°F 200434%0%
Aug 1785°F63°F98°F 195454°F 200833%0%
Aug 1885°F63°F99°F 198854°F 195833%0%
Aug 1985°F62°F98°F 198853°F 201533%0%
Aug 2085°F62°F98°F 193653°F 201232%0%
Aug 2184°F62°F100°F 193650°F 202432%0%
Aug 2284°F62°F100°F 193642°F 198531%0%
Aug 2384°F62°F99°F 200750°F 199731%0%
Aug 2484°F62°F99°F 200749°F 199730%0%
Aug 2584°F62°F98°F 200742°F 201830%0%
Aug 2684°F62°F98°F 200746°F 201830%0%
Aug 2784°F61°F100°F 197549°F 202529%0%
Aug 2884°F61°F99°F 193649°F 202529%0%
Aug 2984°F61°F95°F 193644°F 198629%0%
Aug 3084°F61°F94°F 194744°F 198629%0%
Aug 3183°F61°F94°F 194546°F 194628%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.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

August 1
sunrise 6:42 AM, sunset 8:41 PM
August 31
sunrise 7:06 AM, sunset 8:04 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00406619 (Norris), public domain. Records: NOAA GHCN-Daily, station USC00406619, 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.