Mountain Top climate

Mountain Top Weather in May

NOAA 1991-2020 normals for Francis E Walter Dam, 13.8 km from Mountain Top

Average highs run from 63°F on May 1 to 70°F on May 31, and lows from 41°F to 50°F. Normal precipitation for the month is 4.17 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 Mountain Top, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
67°F
Average low
45°F
Precipitation
4.17 in
Record high
93°FMay 18, 1962
Record low
27°FMay 5, 1974
Chance of a freeze
66%
Daylight
14 h 00 min to 14 h 55 min
Cloud cover
68%
Humidity
78%
Dew point
50°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 163°F41°F87°F 201029°F 1978
May 263°F41°F87°F 200131°F 1974
May 364°F41°F89°F 201828°F 1957
May 464°F42°F87°F 200132°F 1978
May 564°F42°F90°F 194927°F 1974
May 665°F42°F88°F 194936°F 1967
May 765°F43°F88°F 200031°F 1996
May 865°F43°F91°F 201530°F 1956
May 966°F43°F90°F 197929°F 2020
May 1066°F44°F89°F 199329°F 1966
May 1166°F44°F89°F 195331°F 2010
May 1266°F44°F86°F 195332°F 2026
May 1366°F45°F88°F 200431°F 2020
May 1467°F45°F85°F 195629°F 1996
May 1567°F45°F87°F 196233°F 1977
May 1667°F46°F90°F 199834°F 1973
May 1767°F46°F90°F 196230°F 1956
May 1868°F46°F93°F 196230°F 2023
May 1968°F46°F92°F 196230°F 20090%
May 2068°F47°F91°F 195933°F 20020%
May 2168°F47°F90°F 202230°F 20020%
May 2268°F47°F90°F 199231°F 20020%
May 2369°F48°F91°F 196436°F 19670%
May 2469°F48°F88°F 196432°F 19630%
May 2569°F48°F89°F 201530°F 19560%
May 2669°F48°F93°F 202039°F 19720%
May 2770°F49°F89°F 199135°F 19690%
May 2870°F49°F92°F 201636°F 19940%
May 2970°F49°F91°F 196936°F 20080%
May 3070°F50°F93°F 200635°F 19490%
May 3170°F50°F92°F 202236°F 19960%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Mountain Top, 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 6:01 AM, sunset 8:01 PM
May 31
sunrise 5:34 AM, sunset 8:29 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00363018 (Francis E Walter Dam), public domain. Records: NOAA GHCN-Daily, station USW00014777, 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.