Mount Joy climate

Mount Joy Weather in August

NOAA 1991-2020 normals for Landisville 2 Nw, 6.6 km from Mount Joy

Average highs run from 84°F on August 1 to 81°F on August 31, and lows from 61°F to 57°F. Normal precipitation for the month is 4.04 in over about 11 wet days.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Mount Joy, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
83°F
Average low
59°F
Precipitation
4.04 in
Record high
100°FAug 23, 2012
Record low
46°FAug 21, 2000
Chance of a freeze
0%
Days of 90°F or more
4.8
Daylight
14 h 16 min to 13 h 06 min
Cloud cover
57%
Humidity
70%
Dew point
62°F
Wind
4.7 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
Aug 184°F61°F96°F 200259°F 200136%0%
Aug 284°F61°F99°F 200257°F 202536%0%
Aug 384°F61°F96°F 200656°F 202536%0%
Aug 484°F61°F94°F 202257°F 199936%0%
Aug 584°F61°F93°F 201255°F 201336%0%
Aug 684°F60°F93°F 200153°F 200436%0%
Aug 784°F60°F96°F 200153°F 200236%0%
Aug 883°F60°F97°F 200152°F 200436%0%
Aug 983°F60°F99°F 200155°F 200236%0%
Aug 1083°F60°F94°F 200154°F 199936%0%
Aug 1183°F60°F93°F 200254°F 200835%0%
Aug 1283°F60°F96°F 200252°F 200635%0%
Aug 1383°F60°F97°F 200252°F 200635%0%
Aug 1483°F60°F98°F 200253°F 201335%0%
Aug 1583°F60°F93°F 200250°F 201335%0%
Aug 1683°F59°F91°F 200250°F 201435%0%
Aug 1783°F59°F94°F 200255°F 201335%0%
Aug 1883°F59°F95°F 200254°F 201434%0%
Aug 1983°F59°F92°F 200255°F 200034%0%
Aug 2083°F59°F92°F 201950°F 200834%0%
Aug 2182°F59°F91°F 202346°F 200034%0%
Aug 2282°F59°F93°F 201748°F 200033%0%
Aug 2382°F58°F100°F 201249°F 201633%0%
Aug 2482°F58°F90°F 202053°F 200333%0%
Aug 2582°F58°F93°F 202153°F 201332%0%
Aug 2682°F58°F93°F 202153°F 202532%0%
Aug 2782°F58°F95°F 202050°F 202532%0%
Aug 2882°F58°F94°F 201850°F 202532%0%
Aug 2981°F57°F95°F 201851°F 201432%0%
Aug 3081°F57°F94°F 202251°F 199932%0%
Aug 3181°F57°F96°F 201054°F 200931%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Mount Joy, 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).

August 1
sunrise 6:04 AM, sunset 8:20 PM
August 31
sunrise 6:33 AM, sunset 7:39 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00364778 (Landisville 2 Nw), public domain. Records: NOAA GHCN-Daily, station USW00054737, 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.