Cavetown climate

Cavetown Weather in December

NOAA 1991-2020 normals for Catoctin Mtn Park, 8.8 km from Cavetown

Average highs run from 47°F on December 1 to 40°F on December 31, and lows from 32°F to 25°F. Normal precipitation for the month is 3.49 in over about 10 wet days.

December day by day

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

Normal daily high and low temperature at Cavetown, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
43°F
Average low
28°F
Precipitation
3.49 in
Snowfall
5.2 in
Record high
75°FDec 5, 2001
Record low
-11°FDec 25, 1983
Chance of a freeze
100%
Daylight
9 h 35 min to 9 h 25 min
Cloud cover
65%
Humidity
85%
Dew point
29°F
Wind
7.8 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
Dec 147°F32°F68°F 200611°F 197636%4%
Dec 247°F31°F64°F 199813°F 197136%5%
Dec 346°F31°F69°F 19982°F 197635%5%
Dec 446°F31°F72°F 198211°F 198935%5%
Dec 546°F31°F75°F 200114°F 199135%5%
Dec 645°F31°F73°F 199812°F 196935%6%
Dec 745°F30°F72°F 19989°F 197735%6%
Dec 845°F30°F65°F 198015°F 197735%6%
Dec 945°F30°F62°F 199110°F 198935%6%
Dec 1044°F30°F66°F 19994°F 199535%6%
Dec 1144°F29°F63°F 19793°F 196834%7%
Dec 1244°F29°F65°F 1979-1°F 198834%7%
Dec 1343°F29°F64°F 19843°F 198834%7%
Dec 1443°F29°F60°F 20068°F 200534%7%
Dec 1543°F28°F61°F 198412°F 198834%7%
Dec 1643°F28°F63°F 19716°F 198934%7%
Dec 1743°F28°F64°F 19844°F 198933%8%
Dec 1842°F28°F65°F 20063°F 198933%8%
Dec 1942°F28°F62°F 19845°F 198533%8%
Dec 2042°F27°F56°F 19701°F 200433%8%
Dec 2142°F27°F56°F 19985°F 198032%8%
Dec 2241°F27°F58°F 1990-5°F 198932%8%
Dec 2341°F27°F59°F 1990-1°F 198932%8%
Dec 2441°F26°F57°F 19820°F 198332%8%
Dec 2541°F26°F59°F 1982-11°F 198332%8%
Dec 2641°F26°F61°F 1982-5°F 198332%8%
Dec 2741°F26°F62°F 19712°F 198932%9%
Dec 2840°F26°F65°F 19847°F 197732%9%
Dec 2940°F25°F71°F 19849°F 197732%9%
Dec 3040°F25°F68°F 19842°F 197632%9%
Dec 3140°F25°F62°F 19923°F 197632%9%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Cavetown, 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 (EST).

December 1
sunrise 7:12 AM, sunset 4:47 PM
December 31
sunrise 7:31 AM, sunset 4:56 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00181530 (Catoctin Mtn Park), public domain. Records: NOAA GHCN-Daily, station USC00181530, 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.