Barnstable climate

Barnstable Weather in December

NOAA 1991-2020 normals for Hyannis, 3.9 km from Barnstable

Average highs run from 48°F on December 1 to 41°F on December 31, and lows from 33°F to 25°F. Normal precipitation for the month is 4.68 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 Barnstable, in °F, with the record for each date.020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
44°F
Average low
29°F
Precipitation
4.68 in
Snowfall
2.1 in
Record high
67°FDec 4, 1998
Record low
6°FDec 25, 1999
Chance of a freeze
100%
Daylight
9 h 23 min to 9 h 12 min
Cloud cover
67%
Humidity
81%
Dew point
34°F
Wind
16.6 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 148°F33°F63°F 200120°F 200736%2%
Dec 247°F32°F60°F 200618°F 200336%2%
Dec 347°F32°F59°F 201216°F 200337%2%
Dec 447°F32°F67°F 199815°F 200237%2%
Dec 547°F32°F65°F 200114°F 202537%2%
Dec 646°F31°F64°F 200114°F 200637%2%
Dec 746°F31°F65°F 199810°F 200237%2%
Dec 846°F31°F58°F 201114°F 200537%2%
Dec 945°F31°F58°F 200913°F 200238%2%
Dec 1045°F30°F60°F 200810°F 200038%3%
Dec 1145°F30°F61°F 202114°F 201638%3%
Dec 1245°F30°F62°F 202111°F 201338%3%
Dec 1344°F29°F57°F 202010°F 201338%3%
Dec 1444°F29°F58°F 201517°F 200538%3%
Dec 1544°F29°F61°F 201513°F 202538%3%
Dec 1644°F29°F57°F 20087°F 201638%3%
Dec 1743°F28°F62°F 202112°F 201338%3%
Dec 1843°F28°F59°F 202312°F 200938%4%
Dec 1943°F28°F54°F 202514°F 201138%4%
Dec 2043°F28°F54°F 20019°F 200438%4%
Dec 2143°F27°F57°F 19997°F 200437%4%
Dec 2242°F27°F60°F 201314°F 202437%4%
Dec 2342°F27°F56°F 201514°F 200937%4%
Dec 2442°F26°F64°F 201513°F 202237%4%
Dec 2542°F26°F64°F 20156°F 199937%4%
Dec 2641°F26°F55°F 20157°F 199937%4%
Dec 2741°F26°F59°F 201510°F 201237%4%
Dec 2841°F26°F56°F 20089°F 201737%5%
Dec 2941°F25°F58°F 20186°F 201737%5%
Dec 3041°F25°F55°F 20228°F 201736%5%
Dec 3141°F25°F53°F 20116°F 201736%5%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Barnstable, 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 6:49 AM, sunset 4:12 PM
December 31
sunrise 7:08 AM, sunset 4:20 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00193821 (Hyannis), public domain. Records: NOAA GHCN-Daily, station USW00094720, 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.