TODAY JUN21
TEMPERATURE62
HUMIDITY93
PRESSURE29.76
WIND COND.220 6.9
  • 6755Thu80%
  • 6656Fri
  • 6761Sat50%70%
  • 7060Sun30%
  • 6856Mon30%
daynightWeather update from Nantucket, Nantucket Memorial Airport at

Siasconset 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
January6°F55°F34°F3.2"
February12°F54°F33°F1.8"
March10°F61°F37°F2.8"
April27°F83°F45°F3.8"
May33°F84°F52°F4.3"
June44°F85°F61°F2.6"
July47°F88°F68°F3.0"
August51°F88°F69°F2.6"
September43°F82°F64°F3.1"
October29°F76°F55°F4.2"
November24°F67°F48°F3.6"
December15°F63°F38°F3.8"

Did you know?

  • The highest monthly average temperature in Siasconset for August is 69 degrees.
  • The lowest monthly average temperature in Siasconset for February is 33 degrees.
  • The most monthly precipitation in Siasconset occurs in May with 4.3 inches.
  • The air quality index in Siasconset is 33% better than the national average.
  • The pollution index in Siasconset is 55% worse than the national average.

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Compare Siasconset, MA Weather To Other Cities

Siasconset 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.
IndexSiasconsetMassachusettsNational
Air quality index334050
Pollution index7,903,83012,377,8395,066,862

Siasconset 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

Siasconset air quality information

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

Average monthly Siasconset temperature with heat index

Siasconset monthly precipitation with daily maximum

Siasconset monthly snow depth with daily maximum

Siasconset monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Madaket, MA3073334%
Nantucket, MA7,8303334%
Siasconset, MA1833334%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Oconee, IL1833726%
Thor, IA1833726%
Garden Prairie, IL1833138%
Berlin, IL1833530%
Goofy Ridge, IL183484%
Siasconset, MA1833334%
Source: The Siasconset, 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.