Lake Mohegan climate

Lake Mohegan Weather in December

NOAA 1991-2020 normals for Shrub Oak, 1.8 km from Lake Mohegan

Average highs run from 46°F on December 1 to 37°F on December 31, and lows from 28°F to 20°F. Normal precipitation for the month is 4.85 in.

December day by day

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

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

December at a glance

Average high
41°F
Average low
24°F
Precipitation
4.85 in
Snowfall
7.6 in
Record high
73°FDec 8, 1998
Record low
-17°FDec 24, 1989
Chance of a freeze
100%
Daylight
9 h 25 min to 9 h 15 min
Cloud cover
64%
Humidity
87%
Dew point
27°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
Dec 146°F28°F66°F 20064°F 19957%
Dec 246°F28°F70°F 20068°F 19767%
Dec 345°F28°F65°F 20013°F 19768%
Dec 445°F27°F65°F 19981°F 19768%
Dec 545°F27°F69°F 19828°F 19898%
Dec 644°F27°F67°F 19823°F 19769%
Dec 744°F27°F70°F 20016°F 19769%
Dec 844°F27°F73°F 19982°F 20039%
Dec 943°F26°F60°F 19804°F 19899%
Dec 1043°F26°F59°F 19911°F 200210%
Dec 1142°F26°F56°F 20084°F 200510%
Dec 1242°F26°F63°F 1979-3°F 198810%
Dec 1342°F25°F66°F 1979-8°F 200510%
Dec 1441°F25°F62°F 1984-13°F 200510%
Dec 1541°F25°F56°F 1991-10°F 200511%
Dec 1641°F24°F60°F 2008-5°F 200511%
Dec 1740°F24°F57°F 1982-1°F 201311%
Dec 1840°F24°F63°F 2000-5°F 198011%
Dec 1940°F24°F57°F 1984-3°F 197312%
Dec 2040°F23°F48°F 1990-7°F 198012%
Dec 2139°F23°F57°F 2002-2°F 197912%
Dec 2239°F23°F61°F 2013-1°F 197912%
Dec 2339°F22°F66°F 2013-14°F 198912%
Dec 2439°F22°F65°F 1990-17°F 198912%
Dec 2538°F22°F58°F 1979-9°F 198013%
Dec 2638°F21°F58°F 1979-8°F 198013%
Dec 2738°F21°F58°F 19821°F 198313%
Dec 2838°F21°F59°F 1973-1°F 200413%
Dec 2938°F20°F63°F 1982-3°F 197813%
Dec 3038°F20°F70°F 1984-2°F 199313%
Dec 3137°F20°F54°F 1990-7°F 198714%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Lake Mohegan, in percent, and of at least 0.1 inch of snowfall.0510151102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EST).

December 1
sunrise 7:02 AM, sunset 4:27 PM
December 31
sunrise 7:21 AM, sunset 4:36 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00307742 (Shrub Oak), public domain. Records: NOAA GHCN-Daily, station USC00308906, 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.