Shelby County climate

Shelby County Weather in May

NOAA 1991-2020 normals for Harlan, 4.8 km from Shelby County

Average highs run from 68°F on May 1 to 80°F on May 31, and lows from 43°F to 56°F. Normal precipitation for the month is 4.74 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 Shelby County, in °F, with the record for each date.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
74°F
Average low
49°F
Precipitation
4.74 in
Record high
106°FMay 30, 1934
Record low
18°FMay 2, 1908
Chance of a freeze
35%
Days of 90°F or more
1.3
Daylight
14 h 02 min to 14 h 59 min
Cloud cover
64%
Humidity
71%
Dew point
51°F
Wind
11.6 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 168°F43°F90°F 195923°F 190939%1%
May 269°F43°F90°F 190118°F 190839%1%
May 369°F44°F89°F 194925°F 190739%1%
May 469°F44°F92°F 191819°F 190739%1%
May 570°F45°F94°F 190927°F 194439%1%
May 670°F45°F96°F 193425°F 192539%1%
May 771°F45°F93°F 193428°F 193139%0%
May 871°F46°F97°F 193431°F 196839%0%
May 971°F46°F92°F 193427°F 191539%0%
May 1072°F47°F94°F 201125°F 190939%0%
May 1172°F47°F97°F 201129°F 192539%0%
May 1273°F48°F97°F 200030°F 196939%0%
May 1373°F48°F96°F 191527°F 199739%0%
May 1473°F49°F95°F 191530°F 191239%0%
May 1574°F49°F98°F 201331°F 195939%0%
May 1674°F49°F95°F 193930°F 190739%0%
May 1775°F50°F93°F 193430°F 191539%0%
May 1875°F50°F96°F 193428°F 191639%0%
May 1975°F51°F96°F 193437°F 191539%0%
May 2076°F51°F97°F 193434°F 193139%0%
May 2176°F52°F92°F 192530°F 193139%0%
May 2277°F52°F99°F 192529°F 196339%0%
May 2377°F52°F93°F 193929°F 196339%0%
May 2477°F53°F103°F 193932°F 192439%0%
May 2578°F53°F100°F 196731°F 192539%0%
May 2678°F54°F95°F 192632°F 190539%0%
May 2778°F54°F94°F 193133°F 190739%0%
May 2879°F54°F96°F 201433°F 194739%0%
May 2979°F55°F105°F 193431°F 194739%0%
May 3080°F55°F106°F 193437°F 193039%0%
May 3180°F56°F105°F 193439°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.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

May 1
sunrise 6:18 AM, sunset 8:20 PM
May 31
sunrise 5:50 AM, sunset 8:49 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00133632 (Harlan), public domain. Records: NOAA GHCN-Daily, station USC00133632, 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.