Harrison County climate

Harrison County Weather in May

NOAA 1991-2020 normals for Cynthiana, 7.6 km from Harrison County

Average highs run from 72°F on May 1 to 80°F on May 31, and lows from 48°F to 57°F. Normal precipitation for the month is 4.98 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 Harrison County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
76°F
Average low
52°F
Precipitation
4.98 in
Record high
93°FMay 28, 2012
Record low
23°FMay 8, 1989
Chance of a freeze
18%
Daylight
13 h 49 min to 14 h 39 min
Cloud cover
65%
Humidity
79%
Dew point
57°F
Wind
4.9 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 172°F48°F83°F 198533°F 200540%0%
May 273°F48°F85°F 201333°F 200540%0%
May 373°F48°F88°F 201229°F 202640%0%
May 473°F49°F86°F 200132°F 202640%0%
May 573°F49°F86°F 200133°F 201139%0%
May 673°F49°F89°F 200135°F 197939%0%
May 774°F50°F89°F 198627°F 198939%0%
May 874°F50°F87°F 201523°F 198939%0%
May 974°F50°F88°F 201529°F 202039%0%
May 1074°F51°F87°F 201530°F 202039%0%
May 1175°F51°F87°F 199935°F 198039%0%
May 1275°F51°F89°F 197927°F 198938%0%
May 1375°F52°F89°F 198236°F 202038%0%
May 1475°F52°F90°F 198235°F 199638%0%
May 1576°F52°F90°F 198235°F 198438%0%
May 1676°F53°F90°F 198233°F 199738%0%
May 1776°F53°F89°F 199833°F 199737%0%
May 1876°F53°F90°F 198235°F 200237%0%
May 1976°F53°F89°F 198235°F 200237%0%
May 2077°F54°F89°F 202638°F 198937%0%
May 2177°F54°F89°F 198733°F 200236%0%
May 2277°F54°F88°F 202233°F 200236%0%
May 2377°F54°F88°F 201934°F 200336%0%
May 2478°F55°F88°F 199442°F 198336%0%
May 2578°F55°F90°F 201933°F 198836%0%
May 2678°F55°F90°F 202139°F 198336%0%
May 2779°F55°F91°F 201235°F 198336%0%
May 2879°F56°F93°F 201242°F 199435%0%
May 2979°F56°F93°F 201240°F 199435%0%
May 3079°F56°F92°F 198740°F 198435%0%
May 3180°F57°F92°F 201137°F 198435%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Harrison 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 6:40 AM, sunset 8:29 PM
May 31
sunrise 6:16 AM, sunset 8:55 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00151998 (Cynthiana), public domain. Records: NOAA GHCN-Daily, station USC00151998, 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.