TODAY JUN19
TEMPERATURE73
HUMIDITY90
PRESSURE29.67
WIND COND.340 12.8
  • 7661Wed
  • 7156Thu20%
  • 7258Fri
  • 7262Sat30%
  • 7762Sun
daynightWeather update from Hyannis, Barnstable Municipal-Boardman Airport at

East 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
January3°F57°F32°F4.3"
February3°F61°F31°F2.2"
March5°F66°F36°F3.9"
April24°F84°F46°F4.5"
May30°F88°F55°F4.3"
June43°F90°F65°F3.5"
July48°F91°F71°F3.3"
August49°F95°F71°F3.0"
September37°F85°F64°F4.3"
October27°F81°F54°F4.7"
November18°F66°F46°F3.4"
December12°F64°F36°F4.2"

Did you know?

  • The highest monthly average temperature in East Dennis for July is 71 degrees.
  • The lowest monthly average temperature in East Dennis for February is 31 degrees.
  • The most monthly precipitation in East Dennis occurs in October with 4.7 inches.
  • The air quality index in East Dennis is 33% better than the national average.
  • The pollution index in East Dennis is 55% worse than the national average.

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Compare East Dennis, MA Weather To Other Cities

East 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.
IndexEast DennisMassachusettsNational
Air quality index334050
Pollution index7,903,83012,377,8395,066,862

East 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

East Dennis air quality information

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

Average monthly East Dennis temperature with heat index

East Dennis monthly precipitation with daily maximum

East Dennis monthly snow depth with daily maximum

East Dennis monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Brewster, MA2,0883334%
East Harwich, MA4,9793334%
North Eastham, MA1,7423334%
South Yarmouth, MA10,9533334%
Yarmouth Port, MA4,9503334%
East Dennis, MA2,8243334%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Luverne, AL2,8243726%
Raymond, WA2,8252158%
Elgin, OK2,8254216%
Darien, GA2,8253138%
Penndel, PA2,8234020%
East Dennis, MA2,8243334%
Source: The East 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.