Mount Ephraim climate

Mount Ephraim Weather in May

NOAA 1991-2020 normals for Phila Franklin Inst, 11.2 km from Mount Ephraim

Average highs run from 72°F on May 1 to 80°F on May 31, and lows from 52°F to 61°F. Normal precipitation for the month is 4.06 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 Mount Ephraim, 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
56°F
Precipitation
4.06 in
Record high
98°FMay 19, 2026
Record low
28°FMay 11, 1966
Chance of a freeze
0%
Days of 90°F or more
2.3
Daylight
13 h 54 min to 14 h 48 min
Cloud cover
65%
Humidity
79%
Dew point
54°F
Wind
7.4 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°F52°F90°F 194234°F 197840%0%
May 272°F52°F90°F 202435°F 196040%0%
May 372°F52°F91°F 201835°F 196640%0%
May 473°F53°F91°F 200135°F 195740%0%
May 573°F53°F88°F 195533°F 196640%0%
May 673°F53°F90°F 198642°F 194540%0%
May 773°F54°F91°F 200035°F 197040%0%
May 874°F54°F90°F 200037°F 194740%0%
May 974°F54°F91°F 196333°F 194740%0%
May 1074°F55°F92°F 197033°F 196640%0%
May 1174°F55°F90°F 194828°F 196640%0%
May 1275°F55°F90°F 195937°F 196240%0%
May 1375°F55°F90°F 199137°F 196740%0%
May 1475°F56°F92°F 195640°F 199640%0%
May 1575°F56°F89°F 200439°F 196640%0%
May 1676°F56°F90°F 195140°F 195940%0%
May 1776°F57°F92°F 197437°F 195640%0%
May 1876°F57°F96°F 202641°F 197340%0%
May 1976°F57°F98°F 202642°F 197340%0%
May 2077°F58°F95°F 202643°F 200240%0%
May 2177°F58°F95°F 202241°F 200239%0%
May 2277°F58°F96°F 194144°F 200239%0%
May 2378°F58°F94°F 199241°F 196139%0%
May 2478°F59°F90°F 196440°F 196339%0%
May 2578°F59°F96°F 199140°F 196339%0%
May 2678°F59°F92°F 201043°F 196139%0%
May 2779°F60°F95°F 199142°F 196139%0%
May 2879°F60°F94°F 194141°F 196138%0%
May 2979°F60°F95°F 199145°F 194938%0%
May 3080°F61°F97°F 199141°F 196138%0%
May 3180°F61°F97°F 199142°F 196538%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Mount Ephraim, 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 6:01 AM, sunset 7:55 PM
May 31
sunrise 5:34 AM, sunset 8:22 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00366886 (Phila Franklin Inst), public domain. Records: NOAA GHCN-Daily, station USW00013739, 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.