Princeton climate

Princeton Weather in December

NOAA 1991-2020 normals for Smithfield, 17.5 km from Princeton

Average highs run from 60°F on December 1 to 54°F on December 31, and lows from 36°F to 32°F. Normal precipitation for the month is 3.25 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 Princeton, in °F, with the record for each date.020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
57°F
Average low
34°F
Precipitation
3.25 in
Snowfall
0.7 in
Record high
79°FDec 23, 2013
Record low
13°FDec 23, 2022
Chance of a freeze
99%
Daylight
9 h 57 min to 9 h 48 min
Cloud cover
57%
Humidity
82%
Dew point
38°F
Wind
8.9 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 160°F36°F75°F 201625°F 202130%0%
Dec 260°F36°F71°F 201425°F 202430%0%
Dec 359°F35°F71°F 201826°F 202231%0%
Dec 459°F35°F73°F 201220°F 202431%0%
Dec 559°F35°F73°F 202320°F 202431%0%
Dec 659°F35°F72°F 201720°F 202431%0%
Dec 759°F35°F78°F 201319°F 202432%0%
Dec 858°F35°F75°F 201119°F 202432%0%
Dec 958°F35°F65°F 202426°F 202032%0%
Dec 1058°F34°F73°F 201221°F 201632%0%
Dec 1158°F34°F74°F 201922°F 201632%0%
Dec 1257°F34°F74°F 202123°F 201633%0%
Dec 1357°F34°F75°F 201523°F 201333%0%
Dec 1457°F34°F75°F 201524°F 201333%0%
Dec 1557°F34°F74°F 201515°F 202533%0%
Dec 1657°F34°F72°F 201516°F 202533%0%
Dec 1756°F34°F70°F 201122°F 201633%0%
Dec 1856°F34°F71°F 201524°F 202233%1%
Dec 1956°F33°F74°F 201626°F 201133%1%
Dec 2056°F33°F69°F 201725°F 201934%1%
Dec 2156°F33°F68°F 201325°F 201934%1%
Dec 2255°F33°F73°F 201326°F 202434%1%
Dec 2355°F33°F79°F 201313°F 202234%1%
Dec 2455°F33°F75°F 201318°F 202234%1%
Dec 2555°F33°F78°F 201518°F 202234%1%
Dec 2655°F33°F79°F 201519°F 202234%1%
Dec 2755°F33°F72°F 201516°F 202234%1%
Dec 2855°F33°F75°F 201521°F 202234%1%
Dec 2954°F32°F72°F 202418°F 201734%1%
Dec 3054°F32°F78°F 201520°F 201734%1%
Dec 3154°F32°F73°F 202224°F 201734%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Princeton, 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 7:03 AM, sunset 5:00 PM
December 31
sunrise 7:22 AM, sunset 5:10 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00317994 (Smithfield), public domain. Records: NOAA GHCN-Daily, station USC00313503, 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.