TODAY JUN18
TEMPERATURE70
HUMIDITY90
PRESSURE30.07
WIND COND.220 6.9
  • 8369Mon50%
  • 8562Tue40%
  • 7463Wed
  • 7662Thu
  • 7563Fri
daynightWeather update from Shirley, Brookhaven Airport at

Mastic Beach 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
January-5°F63°F33°F3.7"
February5°F59°F32°F2.7"
March9°F74°F38°F3.1"
April21°F87°F49°F4.9"
May28°F85°F57°F3.8"
June42°F95°F68°F3.3"
July50°F93°F73°F4.3"
August50°F97°F73°F2.4"
September39°F88°F66°F3.2"
October27°F84°F55°F4.8"
November19°F68°F47°F2.9"
December6°F66°F37°F4.7"

Did you know?

  • The highest monthly average temperature in Mastic Beach for July is 73 degrees.
  • The lowest monthly average temperature in Mastic Beach for February is 32 degrees.
  • The most monthly precipitation in Mastic Beach occurs in April with 4.9 inches.
  • The air quality index in Mastic Beach is 5% better than the national average.
  • The pollution index in Mastic Beach is 673% worse than the national average.

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Compare Mastic Beach, NY Weather To Other Cities

Mastic Beach 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.
IndexMastic BeachNew YorkNational
Air quality index474350
Pollution index39,208,8009,373,0575,066,862

Mastic Beach air quality information

MeasurementTotal
Days measured365
Days with good air quality200
Days with moderate air quality146
Days w/ poor A.Q. for sensitive groups18
Days with unhealthy air quality1

Mastic Beach air quality information

PollutantTotal
Arsenic0.060%
Benzene0.320%
Carbon Tetrachloride0.020%
Lead0.320%
Mercury0.130%

Average monthly Mastic Beach temperature with heat index

Mastic Beach monthly precipitation with daily maximum

Mastic Beach monthly snow depth with daily maximum

Mastic Beach monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Belle Terre, NY725476%
East Moriches, NY5,272476%
East Shoreham, NY6,699476%
Holbrook, NY26,435476%
Lake Ronkonkoma, NY19,882476%
Mastic Beach, NY14,867476%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Aldine, TX14,867524%
Somerton, AZ14,8664216%
Forrest City, AR14,8714412%
Fort Carson, CO14,8734412%
Alexander City, AL14,8593824%
Mastic Beach, NY14,867476%
Source: The Mastic Beach, NY 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.