Sumner climate

Sumner Weather in August

NOAA 1991-2020 normals for Lawrenceville 2WSW, 12.3 km from Sumner

Average highs run from 88°F on August 1 to 86°F on August 31, and lows from 65°F to 61°F. Normal precipitation for the month is 3.07 in over about 7 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, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
87°F
Average low
63°F
Precipitation
3.07 in
Record high
103°FAug 9, 2007
Record low
46°FAug 28, 2025
Chance of a freeze
0%
Days of 90°F or more
10.2
Daylight
14 h 09 min to 13 h 03 min
Cloud cover
48%
Humidity
73%
Dew point
65°F
Wind
6.7 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 188°F65°F101°F 201253°F 199223%0%
Aug 288°F65°F96°F 201253°F 199223%0%
Aug 388°F65°F100°F 201256°F 199223%0%
Aug 488°F65°F101°F 199157°F 202123%0%
Aug 588°F64°F99°F 201056°F 199223%0%
Aug 688°F64°F99°F 200251°F 199423%0%
Aug 788°F64°F99°F 200751°F 199422%0%
Aug 888°F64°F100°F 200756°F 200422%0%
Aug 988°F64°F103°F 200754°F 201722%0%
Aug 1087°F64°F99°F 200755°F 199422%0%
Aug 1187°F64°F98°F 201055°F 200422%0%
Aug 1287°F64°F97°F 201048°F 200422%0%
Aug 1387°F64°F100°F 200748°F 200422%0%
Aug 1487°F64°F98°F 200552°F 196322%0%
Aug 1587°F64°F94°F 201050°F 200422%0%
Aug 1687°F64°F101°F 200749°F 200422%0%
Aug 1787°F63°F98°F 200750°F 200422%0%
Aug 1887°F63°F94°F 200351°F 196322%0%
Aug 1987°F63°F91°F 199354°F 202322%0%
Aug 2087°F63°F94°F 200553°F 196322%0%
Aug 2187°F63°F94°F 200750°F 202422%0%
Aug 2287°F63°F95°F 200348°F 202422%0%
Aug 2387°F63°F99°F 200752°F 202422%0%
Aug 2487°F63°F100°F 200753°F 201721%0%
Aug 2587°F62°F100°F 200754°F 202521%0%
Aug 2687°F62°F97°F 202350°F 202521%0%
Aug 2787°F62°F96°F 200348°F 202521%0%
Aug 2886°F62°F95°F 199346°F 202521%0%
Aug 2986°F62°F99°F 200750°F 202521%0%
Aug 3086°F61°F95°F 200753°F 199221%0%
Aug 3186°F61°F98°F 201353°F 200921%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sumner, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 5:53 AM, sunset 8:02 PM
August 31
sunrise 6:20 AM, sunset 7:23 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00114957 (Lawrenceville 2WSW), public domain. Records: NOAA GHCN-Daily, station USC00114957, 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.