TODAY APR02
TEMPERATURE51
HUMIDITY39
PRESSURE29.73
WIND COND.340 23
  • 5644Fri40%40%
  • 5742Sat
  • 6346Sun
  • 6746Mon
  • 6546Tue30%30%
daynightWeather update from Trenton, Mercer County Airport at
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East Rocky Hill Average Temperature

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°F42°F33°F3.3"
February25°F43°F34°F2.4"
March33°F53°F42°F3.4"
April43°F66°F54°F3.8"
May52°F75°F63°F3.9"
June62°F83°F72°F5.3"
July67°F88°F77°F5.1"
August65°F85°F75°F4.7"
September59°F79°F68°F3.5"
October48°F68°F57°F4.2"
November37°F57°F46°F2.9"
December31°F47°F38°F4.3"

Did you know?

  • The highest monthly average temperature in East Rocky Hill for July is 77 degrees.
  • The lowest monthly average temperature in East Rocky Hill for January is 33 degrees.
  • The most monthly precipitation in East Rocky Hill occurs in June with 5.3 inches.
  • The air quality index in East Rocky Hill is 20% better than the national average.
  • The pollution index in East Rocky Hill is 35% better than the national average.

Compare East Rocky Hill, NJ Weather To Other Cities

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      East Rocky Hill air quality index & pollution index

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      In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
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      East Rocky Hill air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality257
      Days with moderate air quality106
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality

      East Rocky Hill air quality information

      PollutantTotal
      Arsenic0.350%
      Benzene0.020%
      Carbon Tetrachloride0.004%
      Lead0.350%
      Mercury0.340%

      Average monthly East Rocky Hill temperature with heat index

      East Rocky Hill monthly precipitation with daily maximum

      East Rocky Hill monthly snow depth with daily maximum

      East Rocky Hill monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Blawenburg, NJ3054020%
      Clyde, NJ2434020%
      Finderne, NJ6,3364020%
      Green Knoll, NJ6,4364020%
      Heathcote, NJ6,1724020%
      East Rocky Hill, NJ2234020%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Forest, LA2235612%
      Grenora, ND2234118%
      Mason City, NE2231962%
      Golconda, NV2231962%
      Mineral Bluff, GA223198%
      East Rocky Hill, NJ2234020%
      Source: The East Rocky Hill, NJ 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.