Conestoga climate

Conestoga Weather in December

NOAA 1991-2020 normals for Safe Harbor Dam, 4.1 km from Conestoga

Average highs run from 48°F on December 1 to 40°F on December 31, and lows from 34°F to 27°F. Normal precipitation for the month is 3.82 in over about 11 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 Conestoga, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
44°F
Average low
30°F
Precipitation
3.82 in
Snowfall
3.6 in
Record high
73°FDec 5, 2001
Record low
-1°FDec 7, 2002
Chance of a freeze
100%
Daylight
9 h 33 min to 9 h 23 min
Cloud cover
69%
Humidity
86%
Dew point
29°F
Wind
6.9 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 148°F34°F72°F 200619°F 202434%3%
Dec 247°F33°F61°F 202118°F 202434%3%
Dec 347°F33°F65°F 201214°F 200034%3%
Dec 447°F33°F65°F 201213°F 200234%3%
Dec 546°F33°F73°F 200120°F 200734%3%
Dec 646°F32°F69°F 200111°F 200734%3%
Dec 746°F32°F60°F 2011-1°F 200234%3%
Dec 846°F32°F57°F 20048°F 200234%3%
Dec 945°F32°F54°F 20088°F 200234%4%
Dec 1045°F32°F60°F 20236°F 200235%4%
Dec 1145°F31°F68°F 202110°F 201335%4%
Dec 1244°F31°F62°F 201515°F 201335%4%
Dec 1344°F31°F66°F 201511°F 200535%4%
Dec 1444°F31°F65°F 20153°F 200535%4%
Dec 1544°F30°F63°F 200813°F 200535%4%
Dec 1643°F30°F64°F 20217°F 202535%4%
Dec 1743°F30°F61°F 200012°F 202535%5%
Dec 1843°F30°F66°F 200616°F 200235%5%
Dec 1943°F30°F59°F 202510°F 202035%5%
Dec 2043°F29°F60°F 20026°F 200435%5%
Dec 2142°F29°F66°F 20187°F 200035%5%
Dec 2242°F29°F65°F 20138°F 200035%5%
Dec 2342°F29°F66°F 20155°F 200036%5%
Dec 2442°F28°F70°F 20155°F 202236%5%
Dec 2541°F28°F64°F 20209°F 200036%5%
Dec 2641°F28°F56°F 20159°F 200036%5%
Dec 2741°F28°F64°F 201510°F 200036%5%
Dec 2841°F28°F66°F 200810°F 201736%5%
Dec 2941°F27°F65°F 202410°F 200036%6%
Dec 3041°F27°F63°F 199912°F 201736%6%
Dec 3140°F27°F55°F 20240°F 201736%6%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Conestoga, 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 7:08 AM, sunset 4:41 PM
December 31
sunrise 7:27 AM, sunset 4:50 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00367732 (Safe Harbor Dam), 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.