Ritchie County climate

Ritchie County Weather in May

NOAA 1991-2020 normals for Harrisville, 4.7 km from Ritchie County

Average highs run from 72°F on May 1 to 78°F on May 31, and lows from 44°F to 55°F. Normal precipitation for the month is 4.89 in.

May day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Ritchie County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
75°F
Average low
50°F
Precipitation
4.89 in
Record high
94°FMay 4, 1949
Record low
24°FMay 10, 1966
Chance of a freeze
36%
Days of 90°F or more
0.5
Daylight
13 h 51 min to 14 h 44 min
Cloud cover
67%
Humidity
79%
Dew point
55°F
Wind
3.8 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°F44°F89°F 195130°F 19780%
May 272°F45°F88°F 202430°F 19630%
May 373°F45°F90°F 195930°F 19780%
May 473°F45°F94°F 194929°F 20050%
May 573°F46°F92°F 194929°F 19730%
May 673°F46°F91°F 195929°F 19680%
May 774°F47°F89°F 201528°F 19700%
May 874°F47°F90°F 201530°F 20200%
May 974°F47°F91°F 196328°F 20200%
May 1074°F48°F89°F 199324°F 19660%
May 1174°F48°F89°F 201531°F 19970%
May 1275°F48°F90°F 198233°F 20210%
May 1375°F49°F92°F 198230°F 19960%
May 1475°F49°F94°F 196229°F 19960%
May 1575°F50°F93°F 196235°F 20260%
May 1675°F50°F93°F 196232°F 20160%
May 1775°F50°F92°F 196234°F 19840%
May 1876°F51°F92°F 196233°F 19730%
May 1976°F51°F91°F 196431°F 20020%
May 2076°F51°F90°F 196237°F 20020%
May 2176°F52°F89°F 197035°F 20020%
May 2276°F52°F89°F 197030°F 20020%
May 2377°F52°F89°F 196634°F 20060%
May 2477°F53°F88°F 199135°F 19560%
May 2577°F53°F91°F 199133°F 20130%
May 2677°F53°F90°F 201235°F 19880%
May 2777°F54°F91°F 201237°F 19490%
May 2878°F54°F91°F 198736°F 19940%
May 2978°F54°F92°F 196938°F 19490%
May 3078°F54°F91°F 195337°F 19610%
May 3178°F55°F92°F 195338°F 19660%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Ritchie County, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 6:26 AM, sunset 8:17 PM
May 31
sunrise 6:00 AM, sunset 8:44 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00463940 (Harrisville), public domain. Records: NOAA GHCN-Daily, station USW00003804, 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.