TODAY AUG16
TEMPERATURE68
HUMIDITY96
PRESSURE30.04
WIND COND.
  • 9172Fri30%70%
  • 8865Sat30%50%
  • 8262Sun
  • 8262Mon
  • 8267Tue50%
daynightWeather update from Somerville, Somerset Airport at

Raritan 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
January21°F41°F31°F2.8"
February22°F43°F31°F2.3"
March30°F53°F41°F3.7"
April39°F66°F52°F4.0"
May49°F75°F62°F3.7"
June58°F83°F70°F5.3"
July63°F87°F75°F5.3"
August61°F85°F72°F5.5"
September55°F79°F66°F3.6"
October43°F68°F55°F4.5"
November33°F56°F44°F3.0"
December27°F46°F36°F4.6"

Did you know?

  • The highest monthly average temperature in Raritan for July is 75 degrees.
  • The lowest monthly average temperature in Raritan for January is 31 degrees.
  • The most monthly precipitation in Raritan occurs in August with 5.5 inches.
  • The air quality index in Raritan is 19% better than the national average.
  • The pollution index in Raritan is 10% worse than the national average.

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Compare Raritan, NJ Weather To Other Cities

Raritan 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.
IndexRaritanNew JerseyNational
Air quality index404550
Pollution index5,618,7107,146,1325,066,862

Raritan 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

Raritan air quality information

PollutantTotal
Arsenic0.004%
Benzene0.060%
Carbon Tetrachloride0.020%
Lead0.040%
Mercury0.003%

Average monthly Raritan temperature with heat index

Raritan monthly precipitation with daily maximum

Raritan monthly snow depth with daily maximum

Raritan monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Long Valley, NJ1,9713922%
Mendham, NJ5,0123922%
Anderson, NJ3393922%
Califon, NJ1,3403922%
Annandale, NJ1,4783922%
Raritan, NJ7,5394020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Winsted, CT7,5353922%
Helena Valley Southeast, MT7,5433530%
Iron Mountain, MI7,5354020%
Duvall, WA7,534492%
New Prague, MN7,5344412%
Raritan, NJ7,5394020%
Source: The Raritan, 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.