Addison climate

Addison Weather in December

NOAA 1991-2020 normals for Cornwall, 16.4 km from Addison

Average highs run from 38°F on December 1 to 29°F on December 31, and lows from 23°F to 13°F. Normal precipitation for the month is 3.02 in over about 12 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 Addison, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
33°F
Average low
18°F
Precipitation
3.02 in
Snowfall
13.4 in
Record high
67°FDec 6, 2001
Record low
-17°FDec 27, 1993
Chance of a freeze
100%
Daylight
9 h 08 min to 8 h 57 min
Cloud cover
73%
Humidity
92%
Dew point
20°F
Wind
5.8 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 138°F23°F63°F 20061°F 201338%14%
Dec 238°F23°F57°F 19962°F 200238%15%
Dec 337°F22°F57°F 20091°F 200238%15%
Dec 437°F22°F64°F 1998-9°F 200239%16%
Dec 536°F22°F62°F 2001-2°F 199139%16%
Dec 636°F21°F67°F 20010°F 199239%17%
Dec 736°F21°F66°F 19987°F 197039%17%
Dec 835°F20°F54°F 1966-3°F 200039%18%
Dec 935°F20°F60°F 1966-11°F 200239%18%
Dec 1035°F20°F53°F 2008-6°F 201039%19%
Dec 1134°F19°F51°F 2003-1°F 199239%19%
Dec 1234°F19°F52°F 2010-2°F 199539%19%
Dec 1334°F19°F55°F 2010-10°F 199539%20%
Dec 1433°F18°F53°F 2006-9°F 200539%20%
Dec 1533°F18°F53°F 2006-9°F 200539%21%
Dec 1633°F17°F51°F 20081°F 201340%21%
Dec 1733°F17°F57°F 2000-16°F 201340%21%
Dec 1832°F17°F55°F 2000-7°F 201340%22%
Dec 1932°F16°F45°F 1996-5°F 199540%22%
Dec 2032°F16°F54°F 2002-2°F 199140%22%
Dec 2131°F16°F50°F 1994-14°F 200440%22%
Dec 2231°F15°F55°F 19943°F 199740%22%
Dec 2331°F15°F56°F 2004-11°F 200840%23%
Dec 2431°F15°F56°F 2004-6°F 199339%23%
Dec 2530°F14°F53°F 2003-7°F 199139%23%
Dec 2630°F14°F44°F 2014-14°F 200039%23%
Dec 2730°F14°F44°F 2009-17°F 199339%23%
Dec 2830°F13°F52°F 2008-4°F 201039%24%
Dec 2929°F13°F50°F 2003-13°F 199339%24%
Dec 3029°F13°F47°F 1996-10°F 200939%24%
Dec 3129°F13°F49°F 2010-15°F 199839%24%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Addison, 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 4:16 PM
December 31
sunrise 7:28 AM, sunset 4:25 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00431580 (Cornwall), public domain. Records: NOAA GHCN-Daily, station USC00437098, 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.