TODAY JUN24
TEMPERATURE77
HUMIDITY77
PRESSURE29.8
WIND COND.190 8.1
  • 8157Mon
  • 7562Tue
  • 7967Wed30%
  • 8169Thu40%30%
  • 8671Fri
daynightWeather update from Islip, Long Island Mac Arthur Airport at

Ronkonkoma 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
January15°F66°F38°Fn/a
February16°F60°F35°Fn/a
March15°F66°F41°Fn/a
April30°F83°F50°Fn/a
May37°F80°F58°Fn/a
June53°F94°F70°Fn/a
July57°F106°F75°Fn/a
August57°F101°F74°Fn/a
September46°F85°F69°Fn/a
October37°F84°F60°Fn/a
November26°F72°F48°Fn/a
December20°F66°F40°Fn/a

Did you know?

  • The highest monthly average temperature in Ronkonkoma for July is 75 degrees.
  • The lowest monthly average temperature in Ronkonkoma for February is 35 degrees.
  • The most monthly precipitation in Ronkonkoma occurs in January with 0 inches.
  • The air quality index in Ronkonkoma is 5% better than the national average.
  • The pollution index in Ronkonkoma is 673% worse than the national average.

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Compare Ronkonkoma, NY Weather To Other Cities

Ronkonkoma 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.
IndexRonkonkomaNew YorkNational
Air quality index474350
Pollution index39,208,8009,373,0575,066,862

Ronkonkoma 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

Ronkonkoma air quality information

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

Average monthly Ronkonkoma temperature with heat index

Ronkonkoma monthly precipitation with daily maximum

Ronkonkoma monthly snow depth with daily maximum

Ronkonkoma monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Belle Terre, NY725476%
Brentwood, NY61,438476%
Centerport, NY5,251476%
Coram, NY40,899476%
East Northport, NY19,373476%
Ronkonkoma, NY18,846476%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Twinsburg, OH18,8515510%
Belle Glade, FL18,8552942%
Ozark, MO18,8673922%
Woodbridge, NJ18,869536%
Avenel, NJ18,822536%
Ronkonkoma, NY18,846476%
Source: The Ronkonkoma, 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.