West Dennis climate

West Dennis Weather in January

NOAA 1991-2020 normals for W Harwich, 4.7 km from West Dennis

Average highs run from 40°F on January 1 to 37°F on January 31, and lows from 26°F to 23°F. Normal precipitation for the month is 3.84 in.

January day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at West Dennis, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
38°F
Average low
25°F
Precipitation
3.84 in
Snowfall
9.5 in
Record high
64°FJan 12, 2020
Record low
-7°FJan 16, 2004
Chance of a freeze
100%
Daylight
9 h 13 min to 10 h 01 min
Cloud cover
76%
Humidity
81%
Dew point
30°F
Wind
19.5 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
Jan 140°F26°F61°F 20192°F 20185%
Jan 240°F26°F53°F 20003°F 19995%
Jan 340°F26°F56°F 20005°F 20145%
Jan 439°F26°F58°F 1998-5°F 20146%
Jan 539°F26°F56°F 20009°F 20186%
Jan 639°F26°F57°F 20076°F 20186%
Jan 739°F26°F55°F 20121°F 20186%
Jan 839°F25°F57°F 20081°F 20156%
Jan 939°F25°F55°F 19986°F 20176%
Jan 1039°F25°F57°F 20163°F 20046%
Jan 1138°F25°F55°F 20143°F 20046%
Jan 1238°F25°F64°F 20208°F 19997%
Jan 1338°F25°F57°F 201811°F 20097%
Jan 1438°F25°F57°F 20050°F 20047%
Jan 1538°F25°F51°F 1999-3°F 20047%
Jan 1638°F25°F53°F 2021-7°F 20047%
Jan 1738°F24°F51°F 20224°F 20098%
Jan 1838°F24°F55°F 20062°F 20008%
Jan 1937°F24°F49°F 19992°F 20058%
Jan 2037°F24°F54°F 20194°F 20008%
Jan 2137°F24°F53°F 20065°F 20198%
Jan 2237°F24°F49°F 20172°F 20009%
Jan 2337°F24°F52°F 20184°F 20039%
Jan 2437°F24°F54°F 19992°F 20119%
Jan 2537°F24°F52°F 20102°F 20049%
Jan 2637°F24°F52°F 20236°F 20039%
Jan 2737°F24°F53°F 20126°F 20079%
Jan 2837°F24°F52°F 20021°F 20039%
Jan 2937°F23°F59°F 20022°F 20059%
Jan 3037°F23°F51°F 20022°F 20149%
Jan 3137°F23°F54°F 20131°F 20229%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at West Dennis, in percent, and of at least 0.1 inch of snowfall.02468101102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EST).

January 1
sunrise 7:08 AM, sunset 4:21 PM
January 31
sunrise 6:54 AM, sunset 4:55 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00199227 (W Harwich), 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.