Perryopolis climate

Perryopolis Weather in May

NOAA 1991-2020 normals for Donora 1 Sw, 13.2 km from Perryopolis

Average highs run from 70°F on May 1 to 77°F on May 31, and lows from 44°F to 54°F. Normal precipitation for the month is 4.30 in over about 14 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 Perryopolis, 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
49°F
Precipitation
4.30 in
Record high
92°FMay 28, 2012
Record low
27°FMay 9, 2020
Chance of a freeze
38%
Days of 90°F or more
0.7
Daylight
13 h 55 min to 14 h 49 min
Cloud cover
68%
Humidity
78%
Dew point
53°F
Wind
4.3 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 170°F44°F88°F 201728°F 201846%0%
May 270°F45°F89°F 201930°F 202146%0%
May 370°F45°F89°F 202431°F 202646%0%
May 471°F45°F91°F 202430°F 202646%0%
May 571°F46°F83°F 201530°F 202646%0%
May 671°F46°F87°F 202432°F 201446%0%
May 771°F46°F86°F 201538°F 202646%0%
May 871°F47°F86°F 201530°F 202046%0%
May 972°F47°F91°F 201527°F 202046%0%
May 1072°F47°F89°F 201528°F 202046%0%
May 1172°F48°F91°F 201532°F 202546%0%
May 1272°F48°F89°F 201531°F 202146%0%
May 1373°F48°F87°F 201832°F 201346%0%
May 1473°F48°F90°F 201431°F 201345%0%
May 1573°F49°F86°F 202236°F 202145%0%
May 1673°F49°F88°F 201834°F 201645%0%
May 1773°F49°F83°F 202333°F 201645%0%
May 1874°F50°F87°F 201738°F 202345%0%
May 1974°F50°F91°F 202637°F 201444%0%
May 2074°F50°F88°F 201937°F 201444%0%
May 2174°F51°F91°F 202440°F 202544%0%
May 2274°F51°F91°F 202441°F 201544%0%
May 2375°F51°F90°F 202439°F 201544%0%
May 2475°F52°F87°F 202138°F 201543%0%
May 2575°F52°F85°F 202435°F 201343%0%
May 2675°F52°F90°F 201935°F 201343%0%
May 2776°F52°F90°F 201234°F 201343%0%
May 2876°F53°F92°F 201246°F 202543%0%
May 2976°F53°F90°F 201246°F 202643%0%
May 3076°F53°F89°F 201145°F 202642%0%
May 3177°F54°F91°F 201142°F 202442%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Perryopolis, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 6:19 AM, sunset 8:14 PM
May 31
sunrise 5:52 AM, sunset 8:41 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00362190 (Donora 1 Sw), public domain. Records: NOAA GHCN-Daily, station USC00361726, 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.