TODAY AUG15
TEMPERATURE79
HUMIDITY82
PRESSURE29.84
WIND COND.220 6.9
  • 8470Thu
  • 8173Fri40%
  • 8067Sat40%30%
  • 7365Sun
  • 7466Mon
daynightWeather update from Hyannis, Barnstable Municipal-Boardman Airport at

West Dennis Average Weather

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January25°F40°F31°F7.2"
February22°F38°F29°F3.1"
March27°F44°F35°F9.7"
April36°F54°F45°F8.7"
May46°F62°F53°F6.7"
June57°F73°F64°F1.9"
July64°F79°F71°F5.2"
August63°F81°F71°F3.1"
September57°F75°F66°F9.5"
October48°F65°F56°F7.3"
November36°F54°F45°F5.9"
December27°F42°F34°F5.5"

Did you know?

  • The highest monthly average temperature in West Dennis for August is 71 degrees.
  • The lowest monthly average temperature in West Dennis for February is 29 degrees.
  • The most monthly precipitation in West Dennis occurs in March with 9.7 inches.
  • The air quality index in West Dennis is 33% better than the national average.
  • The pollution index in West Dennis is 55% worse than the national average.

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Compare West Dennis, MA Weather To Other Cities

West Dennis air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
IndexWest DennisMassachusettsNational
Air quality index334050
Pollution index7,903,83012,377,8395,066,862

West Dennis air quality information

MeasurementTotal
Days measured317
Days with good air quality308
Days with moderate air quality7
Days w/ poor A.Q. for sensitive groups2
Days with unhealthy air quality

West Dennis air quality information

PollutantTotal
Arsenic0.060%
Benzene0.070%
Carbon Tetrachloride0.010%
Lead0.080%
Mercury0.030%

Average monthly West Dennis temperature with heat index

West Dennis monthly precipitation with daily maximum

West Dennis monthly snow depth with daily maximum

West Dennis monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Barnstable Town, MA44,4983334%
Dennis Port, MA2,6803334%
Harwich Center, MA1,4233334%
Orleans, MA1,9373334%
West Yarmouth, MA6,0803334%
West Dennis, MA2,4743334%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Whitesboro, NJ2,4743138%
Caryville, TN2,474468%
Hidden Springs, ID2,4743628%
Lake Cherokee, TX2,4753334%
Pablo, MT2,4753824%
West Dennis, MA2,4743334%
Source: The West Dennis, MA weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.