Shelby County climate

Shelby County Weather in May

NOAA 1991-2020 normals for Shelbyville Dam, 3.3 km from Shelby County

Average highs run from 69°F on May 1 to 78°F on May 31, and lows from 49°F to 59°F. Normal precipitation for the month is 4.65 in over about 13 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 Shelby 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
54°F
Precipitation
4.65 in
Record high
98°FMay 29, 1895
Record low
28°FMay 1, 1903
Chance of a freeze
7%
Days of 90°F or more
0.5
Daylight
13 h 53 min to 14 h 45 min
Cloud cover
65%
Humidity
78%
Dew point
56°F
Wind
10.3 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
May 169°F49°F89°F 200728°F 190339%
May 270°F49°F90°F 196831°F 191840%
May 370°F50°F88°F 192830°F 200540%
May 470°F50°F89°F 194929°F 197640%
May 571°F51°F92°F 195230°F 194440%
May 671°F51°F89°F 194930°F 194440%
May 771°F51°F89°F 201228°F 194440%
May 871°F52°F90°F 196331°F 197640%
May 972°F52°F91°F 196331°F 194740%
May 1072°F52°F93°F 196329°F 196640%
May 1172°F53°F90°F 201832°F 194540%
May 1273°F53°F90°F 200530°F 198140%
May 1373°F53°F90°F 195632°F 189540%
May 1473°F54°F91°F 196232°F 191740%
May 1573°F54°F92°F 201834°F 192040%
May 1674°F54°F93°F 200136°F 192140%
May 1774°F55°F94°F 196236°F 201440%
May 1874°F55°F94°F 196436°F 189540%
May 1975°F55°F91°F 196233°F 191640%
May 2075°F56°F91°F 192137°F 195440%
May 2175°F56°F94°F 192536°F 192940%
May 2276°F56°F94°F 192535°F 192440%
May 2376°F57°F95°F 193936°F 189340%
May 2476°F57°F95°F 192133°F 189340%
May 2576°F57°F97°F 192629°F 192540%
May 2677°F58°F94°F 192134°F 192539%0%
May 2777°F58°F94°F 197235°F 196139%0%
May 2877°F58°F97°F 201840°F 190239%0%
May 2978°F59°F98°F 189536°F 196539%0%
May 3078°F59°F96°F 191337°F 192439%0%
May 3178°F59°F98°F 193434°F 193039%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Shelby County, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

May 1
sunrise 5:56 AM, sunset 7:49 PM
May 31
sunrise 5:31 AM, sunset 8:16 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00117876 (Shelbyville Dam), public domain. Records: NOAA GHCN-Daily, station USC00112687, 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.