Seaford climate

Seaford Weather in December

NOAA 1991-2020 normals for Wantagh Cedar Creek, 1.9 km from Seaford

Average highs run from 51°F on December 1 to 44°F on December 31, and lows from 36°F to 30°F. Normal precipitation for the month is 4.35 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 Seaford, in °F, with the record for each date.020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
47°F
Average low
33°F
Precipitation
4.35 in
Snowfall
6.2 in
Record high
69°FDec 5, 2001
Record low
8°FDec 24, 2022
Chance of a freeze
99%
Daylight
9 h 28 min to 9 h 18 min
Cloud cover
68%
Humidity
81%
Dew point
34°F
Wind
14.1 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 151°F36°F68°F 200123°F 199932%5%
Dec 250°F36°F58°F 201520°F 200732%5%
Dec 350°F36°F65°F 200919°F 200333%5%
Dec 450°F35°F61°F 199918°F 200233%6%
Dec 550°F35°F69°F 200119°F 202533%6%
Dec 649°F35°F68°F 200118°F 200233%6%
Dec 749°F35°F61°F 200115°F 200233%6%
Dec 849°F35°F59°F 200418°F 200634%7%
Dec 949°F34°F57°F 200918°F 202534%7%
Dec 1048°F34°F61°F 201514°F 201034%7%
Dec 1148°F34°F61°F 202422°F 200934%7%
Dec 1248°F34°F66°F 201522°F 201334%7%
Dec 1348°F34°F69°F 201519°F 200534%7%
Dec 1447°F33°F61°F 201516°F 200534%8%
Dec 1547°F33°F63°F 201515°F 200535%8%
Dec 1647°F33°F61°F 202117°F 201635%8%
Dec 1747°F33°F61°F 202120°F 201035%8%
Dec 1846°F33°F61°F 201617°F 200935%8%
Dec 1946°F32°F57°F 202517°F 201135%8%
Dec 2046°F32°F58°F 199910°F 200435%9%
Dec 2146°F32°F60°F 201810°F 200435%9%
Dec 2245°F32°F60°F 201313°F 200835%9%
Dec 2345°F31°F64°F 201510°F 202235%9%
Dec 2445°F31°F65°F 20158°F 202235%9%
Dec 2545°F31°F66°F 201514°F 200035%9%
Dec 2645°F31°F59°F 201514°F 200035%9%
Dec 2744°F31°F62°F 201516°F 200435%9%
Dec 2844°F30°F62°F 200811°F 201735%9%
Dec 2944°F30°F56°F 202411°F 201735%10%
Dec 3044°F30°F58°F 202416°F 201735%10%
Dec 3144°F30°F54°F 20119°F 201735%10%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Seaford, 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 6:59 AM, sunset 4:27 PM
December 31
sunrise 7:18 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 USC00308946 (Wantagh Cedar Creek), public domain. Records: NOAA GHCN-Daily, station USW00054787, 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.