Winfield climate

Winfield Weather in August

NOAA 1991-2020 normals for Columbus Junction, 18.4 km from Winfield

Average highs run from 83°F on August 1 to 81°F on August 31, and lows from 63°F to 58°F. Normal precipitation for the month is 4.22 in over about 9 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 Winfield, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
82°F
Average low
61°F
Precipitation
4.22 in
Record high
108°FAug 8, 1934
Record low
38°FAug 31, 1915
Chance of a freeze
0%
Days of 90°F or more
5.2
Daylight
14 h 20 min to 13 h 09 min
Cloud cover
50%
Humidity
70%
Dew point
63°F
Wind
7.8 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 183°F63°F103°F 198750°F 196030%0%
Aug 283°F62°F106°F 194749°F 191230%0%
Aug 383°F62°F107°F 193046°F 191230%0%
Aug 483°F62°F105°F 191845°F 191230%0%
Aug 583°F62°F104°F 191849°F 191230%0%
Aug 683°F62°F103°F 194749°F 199430%0%
Aug 783°F62°F100°F 191846°F 198930%0%
Aug 883°F62°F108°F 193445°F 199029%0%
Aug 983°F62°F108°F 193448°F 192729%0%
Aug 1083°F62°F101°F 191648°F 196729%0%
Aug 1183°F62°F100°F 194144°F 196729%0%
Aug 1283°F62°F102°F 191843°F 196729%0%
Aug 1383°F62°F102°F 191846°F 196429%0%
Aug 1483°F61°F105°F 193647°F 201329%0%
Aug 1583°F61°F102°F 198847°F 199229%0%
Aug 1683°F61°F101°F 193648°F 196429%0%
Aug 1783°F61°F105°F 198350°F 199229%0%
Aug 1882°F61°F106°F 193646°F 201228%0%
Aug 1982°F61°F102°F 198346°F 201228%0%
Aug 2082°F60°F101°F 198340°F 195028%0%
Aug 2182°F60°F101°F 193640°F 195028%0%
Aug 2282°F60°F103°F 193646°F 192328%0%
Aug 2382°F60°F102°F 194745°F 196628%0%
Aug 2482°F60°F104°F 194741°F 194228%0%
Aug 2582°F59°F103°F 193641°F 195828%0%
Aug 2682°F59°F98°F 200342°F 191028%0%
Aug 2782°F59°F99°F 195543°F 191027%0%
Aug 2881°F59°F98°F 195542°F 196727%0%
Aug 2981°F58°F98°F 194840°F 193427%0%
Aug 3081°F58°F104°F 194740°F 191527%0%
Aug 3181°F58°F101°F 195338°F 191527%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Winfield, 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 6:02 AM, sunset 8:22 PM
August 31
sunrise 6:31 AM, sunset 7:40 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00131731 (Columbus Junction), public domain. Records: NOAA GHCN-Daily, station USC00135796, 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.