Effingham climate

Effingham Weather in August

NOAA 1991-2020 normals for Horton, 19.2 km from Effingham

Average highs run from 89°F on August 1 to 84°F on August 31, and lows from 67°F to 62°F. Normal precipitation for the month is 4.27 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 Effingham, 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
65°F
Precipitation
4.27 in
Record high
106°FAug 25, 2003
Record low
43°FAug 12, 2004
Chance of a freeze
0%
Days of 90°F or more
12.2
Daylight
14 h 13 min to 13 h 05 min
Cloud cover
48%
Humidity
68%
Dew point
64°F
Wind
8.3 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 189°F67°F103°F 198052°F 197129%0%
Aug 289°F67°F100°F 195355°F 200929%0%
Aug 389°F67°F101°F 196448°F 197429%0%
Aug 489°F67°F99°F 200244°F 197429%0%
Aug 588°F67°F101°F 197046°F 197429%0%
Aug 688°F67°F100°F 200654°F 200429%0%
Aug 788°F66°F100°F 201251°F 200428%0%
Aug 888°F66°F99°F 198055°F 196428%0%
Aug 988°F66°F99°F 200648°F 197228%0%
Aug 1088°F66°F97°F 197653°F 196728%0%
Aug 1188°F66°F97°F 194948°F 200428%0%
Aug 1288°F66°F97°F 197543°F 200428%0%
Aug 1388°F66°F98°F 197846°F 196428%0%
Aug 1487°F65°F98°F 195352°F 200428%0%
Aug 1587°F65°F99°F 200047°F 200428%0%
Aug 1687°F65°F101°F 200352°F 201228%0%
Aug 1787°F65°F105°F 200344°F 201227%0%
Aug 1887°F65°F104°F 200343°F 201227%0%
Aug 1987°F65°F103°F 200348°F 196727%0%
Aug 2086°F64°F103°F 200343°F 196727%0%
Aug 2186°F64°F103°F 200346°F 198127%0%
Aug 2286°F64°F100°F 194850°F 198127%0%
Aug 2386°F64°F99°F 194846°F 196627%0%
Aug 2486°F63°F101°F 200346°F 201527%0%
Aug 2585°F63°F106°F 200349°F 202527%0%
Aug 2685°F63°F102°F 200345°F 202526%0%
Aug 2785°F63°F97°F 202443°F 196726%0%
Aug 2885°F62°F102°F 200043°F 196726%0%
Aug 2985°F62°F97°F 194844°F 197426%0%
Aug 3084°F62°F99°F 200047°F 200926%0%
Aug 3184°F62°F100°F 200044°F 196726%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Effingham, 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 6:21 AM, sunset 8:34 PM
August 31
sunrise 6:49 AM, sunset 7:54 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00143810 (Horton), public domain. Records: NOAA GHCN-Daily, station USW00013993, 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.