Fallston climate

Fallston Weather in May

NOAA 1991-2020 normals for Aberdeen Phillips Fld, 21.3 km from Fallston

Average highs run from 70°F on May 1 to 77°F on May 31, and lows from 48°F to 57°F. Normal precipitation for the month is 3.98 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 Fallston, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
73°F
Average low
53°F
Precipitation
3.98 in
Record high
99°FMay 16, 1991
Record low
29°FMay 1, 1978
Chance of a freeze
9%
Days of 90°F or more
1.1
Daylight
13 h 53 min to 14 h 45 min
Cloud cover
63%
Humidity
78%
Dew point
54°F
Wind
7.6 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 170°F48°F86°F 200729°F 1978
May 270°F49°F84°F 201033°F 2005
May 370°F49°F90°F 202434°F 1986
May 470°F49°F90°F 196531°F 1989
May 571°F50°F88°F 195531°F 1973
May 671°F50°F91°F 198636°F 1981
May 771°F50°F90°F 195932°F 1981
May 871°F50°F96°F 200031°F 1947
May 972°F51°F94°F 200030°F 1947
May 1072°F51°F95°F 200031°F 19470%
May 1172°F51°F90°F 197931°F 19660%
May 1272°F52°F92°F 195936°F 19630%
May 1372°F52°F89°F 199136°F 19670%
May 1473°F52°F92°F 195635°F 20130%
May 1573°F52°F93°F 199136°F 19390%
May 1673°F53°F99°F 199138°F 19730%
May 1773°F53°F92°F 197436°F 19670%
May 1874°F53°F94°F 196235°F 20050%
May 1974°F54°F96°F 199637°F 19730%
May 2074°F54°F99°F 199639°F 19910%
May 2174°F54°F96°F 199638°F 20020%
May 2275°F54°F93°F 193737°F 20020%
May 2375°F55°F94°F 196440°F 20020%
May 2475°F55°F92°F 196437°F 19630%
May 2575°F55°F92°F 199136°F 19560%
May 2676°F56°F90°F 196542°F 19880%
May 2776°F56°F92°F 199139°F 19720%
May 2876°F56°F94°F 199138°F 19610%
May 2977°F57°F96°F 199138°F 19360%
May 3077°F57°F95°F 199939°F 19490%
May 3177°F57°F95°F 200640°F 19380%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Fallston, 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 6:07 AM, sunset 8:00 PM
May 31
sunrise 5:41 AM, sunset 8:26 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00013701 (Aberdeen Phillips Fld), public domain. Records: NOAA GHCN-Daily, station USC00182060, 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.