DeKalb County climate

DeKalb County Weather in May

NOAA 1991-2020 normals for Garrett 1 S, 12.2 km from DeKalb County

Average highs run from 65°F on May 1 to 74°F on May 31, and lows from 42°F to 53°F. Normal precipitation for the month is 4.73 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 DeKalb County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
70°F
Average low
48°F
Precipitation
4.73 in
Record high
93°FMay 29, 2006
Record low
24°FMay 4, 2005
Chance of a freeze
54%
Daylight
14 h 01 min to 14 h 58 min
Cloud cover
65%
Humidity
77%
Dew point
51°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 165°F42°F85°F 200728°F 202139%
May 266°F43°F82°F 200129°F 202639%
May 366°F43°F85°F 201232°F 199439%
May 466°F44°F85°F 201224°F 200539%
May 567°F44°F82°F 200033°F 201139%
May 667°F44°F88°F 200433°F 198939%
May 767°F45°F86°F 200428°F 198939%
May 868°F45°F87°F 200731°F 201739%
May 968°F45°F87°F 200424°F 202039%
May 1068°F46°F87°F 200430°F 202138%
May 1169°F46°F86°F 199332°F 202038%
May 1269°F46°F87°F 200427°F 202038%
May 1369°F47°F87°F 200430°F 199638%
May 1469°F47°F86°F 199832°F 199638%
May 1570°F47°F90°F 200734°F 201638%
May 1670°F48°F89°F 199131°F 201438%0%
May 1770°F48°F86°F 199936°F 200938%0%
May 1871°F48°F88°F 199834°F 200737%0%
May 1971°F49°F89°F 199630°F 200237%0%
May 2071°F49°F88°F 199835°F 200237%0%
May 2171°F50°F86°F 201236°F 200237%0%
May 2272°F50°F88°F 199433°F 200237%0%
May 2372°F50°F90°F 200737°F 200636%0%
May 2472°F51°F90°F 200737°F 202536%0%
May 2572°F51°F88°F 200738°F 199236%0%
May 2673°F51°F87°F 202035°F 200236%0%
May 2773°F52°F92°F 201238°F 199436%0%
May 2873°F52°F92°F 201238°F 200835%0%
May 2973°F52°F93°F 200638°F 202135%0%
May 3074°F53°F92°F 200637°F 202135%0%
May 3174°F53°F90°F 200641°F 199035%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at DeKalb 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 (EDT).

May 1
sunrise 6:37 AM, sunset 8:38 PM
May 31
sunrise 6:09 AM, sunset 9:07 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00123207 (Garrett 1 S), public domain. Records: NOAA GHCN-Daily, station USC00123207, 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.