Frederick County climate

Frederick County Weather in August

NOAA 1991-2020 normals for Frederick Police Brks, 7.1 km from Frederick County

Average highs run from 88°F on August 1 to 84°F on August 31, and lows from 68°F to 64°F. Normal precipitation for the month is 2.89 in over about 8 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 Frederick County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
87°F
Average low
66°F
Precipitation
2.89 in
Record high
107°FAug 4, 1930
Record low
39°FAug 26, 1944
Chance of a freeze
0%
Days of 90°F or more
9.1
Daylight
14 h 13 min to 13 h 05 min
Cloud cover
55%
Humidity
67%
Dew point
62°F
Wind
5.4 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
Aug 188°F68°F100°F 195450°F 189529%0%
Aug 288°F68°F100°F 191753°F 194729%0%
Aug 388°F68°F102°F 192650°F 192029%0%
Aug 488°F68°F107°F 193049°F 191229%0%
Aug 588°F68°F104°F 193047°F 191229%0%
Aug 688°F68°F104°F 191847°F 195129%0%
Aug 788°F68°F103°F 191851°F 191229%0%
Aug 888°F67°F105°F 193050°F 190329%0%
Aug 988°F67°F104°F 193052°F 194429%0%
Aug 1088°F67°F100°F 191352°F 192729%0%
Aug 1187°F67°F104°F 192653°F 193029%0%
Aug 1287°F67°F103°F 192647°F 193028%0%
Aug 1387°F67°F100°F 194448°F 193028%0%
Aug 1487°F67°F100°F 192642°F 194128%0%
Aug 1587°F67°F102°F 198850°F 194628%0%
Aug 1687°F67°F103°F 198851°F 192728%0%
Aug 1787°F66°F101°F 198845°F 190228%0%
Aug 1887°F66°F101°F 198848°F 191527%0%
Aug 1987°F66°F99°F 191445°F 194327%0%
Aug 2086°F66°F104°F 198343°F 194427%0%
Aug 2186°F66°F104°F 198347°F 192227%0%
Aug 2286°F66°F99°F 191648°F 195627%0%
Aug 2386°F66°F100°F 198345°F 195226%0%
Aug 2486°F65°F96°F 191944°F 195226%0%
Aug 2586°F65°F98°F 190341°F 194426%0%
Aug 2686°F65°F97°F 194839°F 194426%0%
Aug 2785°F65°F98°F 194841°F 194426%0%
Aug 2885°F65°F103°F 194843°F 194126%0%
Aug 2985°F65°F99°F 195346°F 198627%0%
Aug 3085°F64°F99°F 195344°F 198627%0%
Aug 3184°F64°F103°F 193241°F 194627%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Frederick County, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

August 1
sunrise 6:09 AM, sunset 8:22 PM
August 31
sunrise 6:37 AM, sunset 7:42 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00183348 (Frederick Police Brks), public domain. Records: NOAA GHCN-Daily, station USC00183348, 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.