Cornell climate

Cornell Weather in December

NOAA 1991-2020 normals for Holcombe, 6.5 km from Cornell

Average highs run from 33°F on December 1 to 24°F on December 31, and lows from 18°F to 6°F. Normal precipitation for the month is 1.29 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 Cornell, in °F, with the record for each date.-50-250255075151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
28°F
Average low
12°F
Precipitation
1.29 in
Snowfall
10.1 in
Record high
60°FDec 3, 1998
Record low
-41°FDec 24, 1983
Chance of a freeze
100%
Daylight
9 h 01 min to 8 h 49 min
Cloud cover
68%
Humidity
91%
Dew point
15°F
Wind
10.3 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 133°F18°F49°F 1997-6°F 199111%
Dec 232°F17°F56°F 1998-12°F 199112%
Dec 332°F17°F60°F 1998-24°F 198512%
Dec 432°F16°F55°F 1998-25°F 198512%
Dec 531°F16°F55°F 2001-11°F 199112%
Dec 631°F16°F59°F 2001-24°F 199113%
Dec 730°F15°F55°F 1998-17°F 201313%
Dec 830°F15°F51°F 2023-16°F 199513%
Dec 930°F14°F50°F 1990-15°F 200713%
Dec 1029°F14°F50°F 2020-16°F 200714%
Dec 1129°F14°F53°F 2020-23°F 201914%
Dec 1229°F13°F45°F 2001-25°F 201914%
Dec 1328°F13°F41°F 2006-25°F 198514%
Dec 1428°F12°F49°F 1998-29°F 198514%
Dec 1528°F12°F50°F 1998-25°F 198514%
Dec 1628°F12°F57°F 2021-22°F 201315%
Dec 1727°F11°F47°F 2018-32°F 198515%
Dec 1827°F11°F44°F 1997-34°F 198315%
Dec 1927°F10°F46°F 2002-38°F 198315%
Dec 2026°F10°F40°F 2018-37°F 198315%
Dec 2126°F10°F41°F 1994-32°F 198915%
Dec 2226°F9°F40°F 1991-32°F 198916%
Dec 2326°F9°F42°F 2003-32°F 199016%
Dec 2425°F9°F42°F 2023-41°F 198316%
Dec 2525°F8°F50°F 2023-27°F 199016%
Dec 2625°F8°F53°F 2023-31°F 199016%
Dec 2725°F7°F53°F 2023-34°F 200416%
Dec 2824°F7°F42°F 2024-27°F 199316%
Dec 2924°F7°F45°F 2003-25°F 198816%
Dec 3024°F6°F45°F 1999-30°F 201316%
Dec 3124°F6°F42°F 2010-29°F 199816%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Cornell, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

December 1
sunrise 7:23 AM, sunset 4:24 PM
December 31
sunrise 7:43 AM, sunset 4:32 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00473698 (Holcombe), public domain. Records: NOAA GHCN-Daily, station USC00470773, 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.