Lynn climate

Lynn Weather in December

NOAA 1991-2020 normals for Marblehead, 7.9 km from Lynn

Average highs run from 46°F on December 1 to 38°F on December 31, and lows from 28°F to 20°F. Normal precipitation for the month is 4.70 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 Lynn, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
42°F
Average low
24°F
Precipitation
4.70 in
Snowfall
7.4 in
Record high
76°FDec 7, 1998
Record low
-11°FDec 20, 1942
Chance of a freeze
100%
Daylight
9 h 18 min to 9 h 08 min
Cloud cover
68%
Humidity
86%
Dew point
28°F
Wind
6.7 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 146°F28°F71°F 200110°F 193633%4%
Dec 245°F28°F63°F 198210°F 198933%4%
Dec 345°F28°F69°F 20096°F 194033%5%
Dec 445°F28°F70°F 19822°F 194033%5%
Dec 544°F27°F66°F 200112°F 202533%5%
Dec 644°F27°F72°F 200115°F 194033%5%
Dec 744°F27°F76°F 199814°F 196433%5%
Dec 844°F26°F64°F 195112°F 193633%6%
Dec 943°F26°F70°F 196610°F 196833%6%
Dec 1043°F26°F63°F 19469°F 196833%6%
Dec 1143°F26°F64°F 19713°F 198833%6%
Dec 1243°F25°F68°F 19792°F 198833%6%
Dec 1342°F25°F63°F 19847°F 196033%6%
Dec 1442°F25°F60°F 20196°F 197634%7%
Dec 1542°F25°F66°F 19759°F 194334%7%
Dec 1642°F24°F64°F 19712°F 194234%7%
Dec 1741°F24°F64°F 2000-3°F 194233%7%
Dec 1841°F24°F63°F 20239°F 197933%7%
Dec 1941°F23°F60°F 1990-7°F 194233%8%
Dec 2041°F23°F63°F 1957-11°F 194233%8%
Dec 2140°F23°F65°F 2018-5°F 194233%8%
Dec 2240°F23°F62°F 19903°F 195533%8%
Dec 2340°F22°F67°F 19903°F 194333%8%
Dec 2440°F22°F69°F 20150°F 194333%8%
Dec 2539°F22°F62°F 2015-7°F 198033%9%
Dec 2639°F22°F61°F 1982-4°F 198033%9%
Dec 2739°F21°F61°F 19494°F 195033%9%
Dec 2839°F21°F63°F 19825°F 201733%9%
Dec 2939°F21°F73°F 19842°F 201733%9%
Dec 3038°F21°F63°F 1984-3°F 196233%9%
Dec 3138°F20°F63°F 1965-4°F 196233%10%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Lynn, 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 6:54 AM, sunset 4:12 PM
December 31
sunrise 7:13 AM, sunset 4:21 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00194502 (Marblehead), public domain. Records: NOAA GHCN-Daily, station USW00014739, 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.