Jefferson County climate

Jefferson County Weather in August

NOAA 1991-2020 normals for Port Gibson 1 Ne, 28.6 km from Jefferson County

Average highs run from 94°F on August 1 to 92°F on August 31, and lows from 72°F to 69°F. Normal precipitation for the month is 3.56 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 Jefferson County, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
93°F
Average low
71°F
Precipitation
3.56 in
Record high
105°FAug 9, 1935
Record low
50°FAug 31, 1946
Chance of a freeze
0%
Days of 90°F or more
23.2
Daylight
13 h 40 min to 12 h 50 min
Cloud cover
51%
Humidity
73%
Dew point
71°F
Wind
4.0 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 194°F72°F101°F 196264°F 193629%0%
Aug 294°F72°F102°F 196262°F 192529%0%
Aug 394°F72°F100°F 192463°F 200229%0%
Aug 494°F72°F100°F 192463°F 192029%0%
Aug 594°F72°F101°F 189760°F 191229%0%
Aug 694°F72°F100°F 194763°F 197429%0%
Aug 794°F72°F102°F 193561°F 200428%0%
Aug 894°F72°F103°F 193560°F 199028%0%
Aug 994°F72°F105°F 193556°F 198928%0%
Aug 1094°F72°F101°F 190759°F 199028%0%
Aug 1194°F71°F101°F 196261°F 199028%0%
Aug 1294°F71°F100°F 192557°F 193128%0%
Aug 1394°F71°F100°F 189955°F 200428%0%
Aug 1494°F71°F101°F 192560°F 193127%0%
Aug 1594°F71°F102°F 195161°F 201427%0%
Aug 1694°F71°F101°F 191855°F 196327%0%
Aug 1794°F71°F105°F 190956°F 200427%0%
Aug 1894°F71°F105°F 190956°F 200427%0%
Aug 1993°F71°F103°F 190961°F 194327%0%
Aug 2093°F71°F103°F 192561°F 192727%0%
Aug 2193°F71°F100°F 202358°F 194027%0%
Aug 2293°F71°F102°F 202355°F 196127%0%
Aug 2393°F70°F102°F 202358°F 196127%0%
Aug 2493°F70°F101°F 192458°F 200926%0%
Aug 2593°F70°F103°F 202359°F 191626%0%
Aug 2693°F70°F101°F 202355°F 201526%0%
Aug 2793°F70°F102°F 194355°F 201526%0%
Aug 2893°F70°F101°F 202357°F 201526%0%
Aug 2992°F70°F100°F 192458°F 198626%0%
Aug 3092°F69°F101°F 195158°F 190626%0%
Aug 3192°F69°F103°F 195150°F 194626%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Jefferson 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 6:20 AM, sunset 8:00 PM
August 31
sunrise 6:39 AM, sunset 7:29 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00227132 (Port Gibson 1 Ne), public domain. Records: NOAA GHCN-Daily, station USC00226177, 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.