Montgomery County climate

Montgomery County Weather in May

NOAA 1991-2020 normals for Winona 5 E, 1.3 km from Montgomery County

Average highs run from 76°F on May 1 to 84°F on May 31, and lows from 51°F to 60°F. Normal precipitation for the month is 4.98 in over about 10 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 Montgomery County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
80°F
Average low
56°F
Precipitation
4.98 in
Record high
96°FMay 27, 1953
Record low
34°FMay 4, 2013
Chance of a freeze
1%
Days of 90°F or more
0.9
Daylight
13 h 32 min to 14 h 13 min
Cloud cover
56%
Humidity
77%
Dew point
62°F
Wind
4.5 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 176°F51°F89°F 198735°F 200530%0%
May 276°F51°F90°F 195936°F 200530%0%
May 377°F51°F90°F 195537°F 202330%0%
May 477°F52°F90°F 195534°F 201330%0%
May 577°F52°F91°F 195534°F 201330%0%
May 677°F52°F89°F 201238°F 201730%0%
May 778°F53°F90°F 200738°F 201730%0%
May 878°F53°F87°F 196239°F 199230%0%
May 978°F53°F90°F 198638°F 199231%0%
May 1078°F54°F91°F 198639°F 196131%0%
May 1179°F54°F91°F 195540°F 199731%0%
May 1279°F54°F91°F 202238°F 196031%0%
May 1379°F55°F92°F 196239°F 196031%0%
May 1479°F55°F89°F 195640°F 200231%0%
May 1580°F55°F94°F 201840°F 200230%0%
May 1680°F56°F93°F 195738°F 197330%0%
May 1780°F56°F92°F 196242°F 201130%0%
May 1880°F56°F90°F 196239°F 197330%0%
May 1981°F57°F92°F 196239°F 197330%0%
May 2081°F57°F93°F 196239°F 200230%0%
May 2181°F57°F93°F 195640°F 199330%0%
May 2282°F58°F93°F 195640°F 199330%0%
May 2382°F58°F92°F 195642°F 200230%0%
May 2482°F58°F91°F 196043°F 200230%0%
May 2582°F59°F92°F 201045°F 197930%0%
May 2683°F59°F92°F 195341°F 197930%0%
May 2783°F59°F96°F 195338°F 196130%0%
May 2883°F60°F95°F 196238°F 196130%0%
May 2983°F60°F94°F 195345°F 196131%0%
May 3084°F60°F94°F 197741°F 198431%0%
May 3184°F60°F94°F 197740°F 198431%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Montgomery 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 6:10 AM, sunset 7:42 PM
May 31
sunrise 5:50 AM, sunset 8:03 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00229743 (Winona 5 E), public domain. Records: NOAA GHCN-Daily, station USC00229743, 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.