Winfield climate

Winfield Weather in May

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

Average highs run from 67°F on May 1 to 76°F on May 31, and lows from 44°F to 55°F. Normal precipitation for the month is 5.41 in over about 12 wet days.

May 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

May at a glance

Average high
72°F
Average low
50°F
Precipitation
5.41 in
Record high
102°FMay 31, 1934
Record low
23°FMay 7, 1931
Chance of a freeze
36%
Daylight
14 h 00 min to 14 h 55 min
Cloud cover
65%
Humidity
75%
Dew point
53°F
Wind
10.5 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
May 167°F44°F90°F 195229°F 190938%
May 267°F45°F88°F 196828°F 190838%
May 368°F45°F88°F 192826°F 200538%
May 468°F45°F90°F 195225°F 190739%
May 568°F46°F91°F 190929°F 201139%
May 669°F46°F94°F 193430°F 198939%
May 769°F46°F88°F 193423°F 193139%
May 869°F47°F89°F 196333°F 195439%
May 970°F47°F91°F 193428°F 202039%
May 1070°F48°F89°F 192229°F 196639%
May 1170°F48°F91°F 195631°F 190739%
May 1270°F48°F94°F 195633°F 196039%
May 1371°F49°F97°F 191531°F 191239%
May 1471°F49°F89°F 193232°F 201339%
May 1571°F49°F90°F 194436°F 197339%
May 1672°F50°F89°F 191132°F 199740%
May 1772°F50°F90°F 190633°F 201140%
May 1872°F50°F90°F 196233°F 201140%
May 1972°F51°F90°F 191735°F 192939%
May 2073°F51°F93°F 190236°F 195439%
May 2173°F51°F91°F 193433°F 196739%
May 2273°F52°F93°F 192533°F 201539%0%
May 2374°F52°F92°F 192133°F 196339%0%
May 2474°F52°F95°F 192638°F 192439%0%
May 2574°F53°F94°F 192634°F 192539%0%
May 2674°F53°F95°F 192634°F 191039%0%
May 2775°F53°F92°F 200636°F 197139%0%
May 2875°F54°F97°F 201839°F 190238%0%
May 2975°F54°F98°F 193434°F 194738%0%
May 3076°F54°F97°F 193437°F 190138%0%
May 3176°F55°F102°F 193437°F 190138%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.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

May 1
sunrise 6:03 AM, sunset 8:03 PM
May 31
sunrise 5:36 AM, sunset 8:31 PM

Every day of May: 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.