Mills County climate

Mills County Weather in May

NOAA 1991-2020 normals for Glenwood 3SW, 13.1 km from Mills County

Average highs run from 69°F on May 1 to 79°F on May 31, and lows from 44°F to 56°F. Normal precipitation for the month is 5.19 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 Mills County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
74°F
Average low
50°F
Precipitation
5.19 in
Record high
97°FMay 15, 2013
Record low
31°FMay 2, 2013
Chance of a freeze
25%
Days of 90°F or more
2.0
Daylight
13 h 59 min to 14 h 55 min
Cloud cover
64%
Humidity
72%
Dew point
52°F
Wind
11.4 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 169°F44°F87°F 200733°F 200536%
May 269°F44°F84°F 200831°F 201336%
May 370°F45°F82°F 202131°F 201336%
May 470°F45°F80°F 201232°F 201336%
May 570°F46°F89°F 201038°F 201336%
May 671°F46°F88°F 201239°F 202136%
May 771°F46°F90°F 200441°F 201336%
May 871°F47°F94°F 201437°F 201036%
May 972°F47°F90°F 200438°F 201936%
May 1072°F48°F94°F 201141°F 201936%
May 1172°F48°F96°F 201136°F 200836%
May 1273°F49°F93°F 202239°F 201536%
May 1373°F49°F94°F 202235°F 201335%0%
May 1474°F49°F85°F 200735°F 200435%0%
May 1574°F50°F97°F 201338°F 200535%0%
May 1674°F50°F88°F 201739°F 201635%0%
May 1775°F51°F89°F 201942°F 201135%0%
May 1875°F51°F86°F 201243°F 201135%0%
May 1975°F52°F85°F 201338°F 201535%0%
May 2076°F52°F92°F 200639°F 201535%0%
May 2176°F52°F84°F 201440°F 201535%0%
May 2276°F53°F85°F 200439°F 202235%0%
May 2377°F53°F83°F 200446°F 202235%0%
May 2477°F54°F88°F 200647°F 201935%0%
May 2577°F54°F86°F 201047°F 200435%0%
May 2678°F54°F85°F 200846°F 201135%0%
May 2778°F55°F82°F 201345°F 202234%0%
May 2878°F55°F85°F 200646°F 200834%0%
May 2979°F56°F96°F 201847°F 200834%0%
May 3079°F56°F87°F 200642°F 200534%0%
May 3179°F56°F82°F 200647°F 201533%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Mills County, 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 6:20 AM, sunset 8:19 PM
May 31
sunrise 5:53 AM, sunset 8:48 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00133290 (Glenwood 3SW), public domain. Records: NOAA GHCN-Daily, station USC00258088, 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.