South Berwick climate

South Berwick Weather in December

NOAA 1991-2020 normals for Cape Neddick, 13.8 km from South Berwick

Average highs run from 42°F on December 1 to 34°F on December 31, and lows from 26°F to 16°F. Normal precipitation for the month is 4.93 in over about 12 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 South Berwick, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
38°F
Average low
21°F
Precipitation
4.93 in
Snowfall
16.0 in
Record high
72°FDec 6, 2001
Record low
-12°FDec 29, 2017
Chance of a freeze
100%
Daylight
9 h 13 min to 9 h 02 min
Cloud cover
65%
Humidity
87%
Dew point
25°F
Wind
5.8 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 142°F26°F66°F 200112°F 200737%12%
Dec 242°F25°F51°F 201612°F 200737%12%
Dec 342°F25°F67°F 20098°F 200037%13%
Dec 441°F25°F56°F 200112°F 200237%13%
Dec 541°F24°F63°F 20013°F 202537%14%
Dec 641°F24°F72°F 200112°F 200737%15%
Dec 741°F24°F57°F 20158°F 200237%15%
Dec 840°F23°F50°F 20224°F 201937%15%
Dec 940°F23°F52°F 20230°F 200038%16%
Dec 1040°F23°F61°F 20233°F 201038%16%
Dec 1139°F22°F62°F 20237°F 201638%17%
Dec 1239°F22°F58°F 202410°F 201338%17%
Dec 1339°F22°F53°F 20104°F 201838%18%
Dec 1438°F21°F55°F 2006-3°F 200538%18%
Dec 1538°F21°F59°F 20080°F 200538%18%
Dec 1638°F21°F55°F 2008-3°F 201638%19%
Dec 1738°F20°F60°F 2024-6°F 201339%19%
Dec 1837°F20°F61°F 20234°F 200939%19%
Dec 1937°F20°F50°F 20232°F 201639%20%
Dec 2037°F19°F51°F 2002-2°F 201639%20%
Dec 2136°F19°F56°F 2018-4°F 200439%20%
Dec 2236°F19°F55°F 20189°F 200439%20%
Dec 2336°F19°F55°F 20227°F 202439%21%
Dec 2436°F18°F60°F 201512°F 200039%21%
Dec 2535°F18°F62°F 20154°F 200039%21%
Dec 2635°F18°F56°F 20233°F 200039%21%
Dec 2735°F17°F52°F 2016-1°F 201739%22%
Dec 2835°F17°F57°F 2008-4°F 201739%22%
Dec 2934°F17°F58°F 2003-12°F 201739%22%
Dec 3034°F17°F58°F 2022-7°F 201739%22%
Dec 3134°F16°F59°F 2024-4°F 201739%23%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at South Berwick, 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 6:56 AM, sunset 4:09 PM
December 31
sunrise 7:15 AM, sunset 4:17 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00171131 (Cape Neddick), public domain. Records: NOAA GHCN-Daily, station USW00054791, 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.