Sumner County climate

Sumner County Weather in August

NOAA 1991-2020 normals for Wellington, 6.1 km from Sumner County

Average highs run from 92°F on August 1 to 88°F on August 31, and lows from 70°F to 65°F. Normal precipitation for the month is 4.25 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 Sumner County, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
91°F
Average low
68°F
Precipitation
4.25 in
Record high
119°FAug 12, 1936
Record low
41°FAug 22, 2015
Chance of a freeze
0%
Days of 90°F or more
19.0
Daylight
14 h 02 min to 13 h 00 min
Cloud cover
45%
Humidity
61%
Dew point
65°F
Wind
9.4 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 192°F70°F111°F 193454°F 192527%0%
Aug 292°F70°F111°F 193455°F 192527%0%
Aug 392°F70°F111°F 194052°F 197428%0%
Aug 492°F69°F109°F 192350°F 197428%0%
Aug 592°F69°F109°F 195654°F 194828%0%
Aug 692°F69°F111°F 196458°F 199428%0%
Aug 792°F69°F112°F 194656°F 199727%0%
Aug 892°F69°F111°F 193652°F 198927%0%
Aug 992°F69°F115°F 193656°F 198927%0%
Aug 1092°F69°F117°F 193657°F 191227%0%
Aug 1192°F69°F113°F 193650°F 193127%0%
Aug 1291°F69°F119°F 193650°F 197927%0%
Aug 1391°F69°F114°F 193654°F 196727%0%
Aug 1491°F68°F115°F 193655°F 200227%0%
Aug 1591°F68°F111°F 193651°F 199427%0%
Aug 1691°F68°F109°F 195655°F 199227%0%
Aug 1791°F68°F109°F 194656°F 199226%0%
Aug 1891°F68°F109°F 193446°F 194326%0%
Aug 1990°F68°F108°F 193650°F 194026%0%
Aug 2090°F67°F108°F 202348°F 195026%0%
Aug 2190°F67°F106°F 191143°F 201526%0%
Aug 2290°F67°F107°F 193641°F 201526%0%
Aug 2390°F67°F109°F 193649°F 192325%0%
Aug 2489°F66°F110°F 193651°F 191725%0%
Aug 2589°F66°F109°F 201153°F 192825%0%
Aug 2689°F66°F107°F 191353°F 198525%0%
Aug 2789°F66°F107°F 191351°F 196724%0%
Aug 2888°F66°F108°F 200048°F 191624%0%
Aug 2988°F65°F108°F 198445°F 191124%0%
Aug 3088°F65°F112°F 193944°F 191124%0%
Aug 3188°F65°F108°F 195144°F 191524%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sumner 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 (CDT).

August 1
sunrise 6:35 AM, sunset 8:37 PM
August 31
sunrise 7:00 AM, sunset 8:00 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00148670 (Wellington), public domain. Records: NOAA GHCN-Daily, station USC00148670, 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.