Berkeley County climate

Berkeley County Weather in May

NOAA 1991-2020 normals for Martinsburg 2, 5.2 km from Berkeley County

Average highs run from 71°F on May 1 to 79°F on May 31, and lows from 46°F to 56°F. Normal precipitation for the month is 4.20 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 Berkeley County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
75°F
Average low
51°F
Precipitation
4.20 in
Record high
100°FMay 21, 1934
Record low
26°FMay 11, 1966
Chance of a freeze
11%
Days of 90°F or more
1.7
Daylight
13 h 53 min to 14 h 46 min
Cloud cover
64%
Humidity
77%
Dew point
53°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 171°F46°F94°F 194230°F 194538%0%
May 271°F46°F95°F 194230°F 194339%0%
May 372°F46°F95°F 191330°F 200539%0%
May 472°F47°F95°F 191331°F 195739%0%
May 572°F47°F92°F 190530°F 196639%0%
May 672°F48°F93°F 192833°F 192539%0%
May 773°F48°F93°F 194328°F 196839%0%
May 873°F48°F95°F 193031°F 197439%0%
May 973°F49°F95°F 193628°F 194739%0%
May 1073°F49°F95°F 193629°F 194739%0%
May 1174°F49°F94°F 191126°F 196639%0%
May 1274°F50°F93°F 189632°F 190739%0%
May 1374°F50°F91°F 195634°F 190739%0%
May 1474°F51°F92°F 190030°F 199639%0%
May 1575°F51°F95°F 194034°F 192839%0%
May 1675°F51°F93°F 191132°F 197339%0%
May 1775°F52°F96°F 193630°F 195639%0%
May 1875°F52°F96°F 191135°F 195539%0%
May 1976°F52°F98°F 191135°F 200939%0%
May 2076°F53°F97°F 191131°F 200238%0%
May 2176°F53°F100°F 193435°F 199238%0%
May 2276°F53°F98°F 193430°F 200238%0%
May 2377°F54°F100°F 192535°F 200238%0%
May 2477°F54°F96°F 194131°F 196338%0%
May 2577°F54°F94°F 193333°F 195638%0%
May 2677°F54°F96°F 191437°F 191738%0%
May 2778°F55°F97°F 191437°F 192538%0%
May 2878°F55°F96°F 194136°F 199438%0%
May 2978°F55°F98°F 194138°F 193637%0%
May 3079°F56°F96°F 194137°F 196537%0%
May 3179°F56°F96°F 189536°F 200137%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Berkeley 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 6:13 AM, sunset 8:06 PM
May 31
sunrise 5:47 AM, sunset 8:33 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00465706 (Martinsburg 2), public domain. Records: NOAA GHCN-Daily, station USW00013734, 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.