Atlantic climate

Atlantic Weather in December

NOAA 1991-2020 normals for Cedar Is, 11.5 km from Atlantic

Average highs run from 66°F on December 1 to 62°F on December 31, and lows from 44°F to 39°F. Normal precipitation for the month is 4.56 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 Atlantic, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
64°F
Average low
41°F
Precipitation
4.56 in
Record high
81°FDec 22, 2013
Record low
8°FDec 25, 1983
Chance of a freeze
91%
Daylight
9 h 59 min to 9 h 51 min
Cloud cover
59%
Humidity
81%
Dew point
49°F
Wind
13.4 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 166°F44°F79°F 200122°F 201233%0%
Dec 266°F44°F78°F 202123°F 196433%0%
Dec 366°F43°F75°F 195522°F 200833%0%
Dec 466°F43°F78°F 202124°F 196033%0%
Dec 565°F43°F77°F 201325°F 196033%0%
Dec 665°F43°F77°F 199822°F 201034%0%
Dec 765°F43°F78°F 201118°F 201034%0%
Dec 865°F42°F77°F 197816°F 201034%0%
Dec 965°F42°F76°F 197820°F 201034%0%
Dec 1065°F42°F78°F 200722°F 200634%0%
Dec 1164°F42°F77°F 202125°F 196234%0%
Dec 1264°F42°F77°F 196116°F 195734%0%
Dec 1364°F41°F78°F 195617°F 196234%0%
Dec 1464°F41°F78°F 201514°F 201034%0%
Dec 1564°F41°F77°F 195613°F 201035%0%
Dec 1664°F41°F75°F 195615°F 201035%0%
Dec 1764°F41°F78°F 201517°F 195535%0%
Dec 1864°F41°F78°F 202119°F 196335%0%
Dec 1963°F40°F79°F 202122°F 196035%0%
Dec 2063°F40°F74°F 202119°F 197535%0%
Dec 2163°F40°F75°F 201315°F 198135%0%
Dec 2263°F40°F81°F 201318°F 198935%0%
Dec 2363°F40°F77°F 201316°F 198935%0%
Dec 2463°F40°F79°F 201517°F 196035%0%
Dec 2563°F39°F79°F 20158°F 198335%0%
Dec 2663°F39°F77°F 201513°F 198335%0%
Dec 2763°F39°F79°F 201514°F 198335%0%
Dec 2863°F39°F77°F 201518°F 201035%0%
Dec 2962°F39°F79°F 201519°F 201035%0%
Dec 3062°F39°F77°F 201518°F 201035%0%
Dec 3162°F39°F75°F 201517°F 201235%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Atlantic, 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 6:55 AM, sunset 4:54 PM
December 31
sunrise 7:13 AM, sunset 5:04 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00311606 (Cedar Is), public domain. Records: NOAA GHCN-Daily, station USC00311606, 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.