TODAY JUN23
TEMPERATURE64
HUMIDITY93
PRESSURE29.93
WIND COND. 3.4
  • 7969Sat80%70%
  • 8667Sun40%
  • 8360Mon
  • 8163Tue
  • 8468Wed30%
daynightWeather update from Somerville, Somerset Airport at

South River 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
January5°F48°F28°F0.0"
February12°F66°F36°Fn/a
March12°F70°F42°Fn/a
April34°F92°F54°F0.0"
May43°F88°F63°F0.0"
June49°F88°F68°F0.0"
July59°F90°F75°F0.0"
August57°F95°F75°F0.0"
September52°F93°F68°F0.0"
October34°F79°F55°F0.0"
November25°F70°F49°F0.0"
December12°F68°F37°F0.0"

Did you know?

  • The highest monthly average temperature in South River for August is 75 degrees.
  • The lowest monthly average temperature in South River for January is 28 degrees.
  • The most monthly precipitation in South River occurs in July with 0 inches.
  • The air quality index in South River is 19% better than the national average.
  • The pollution index in South River is 153% worse than the national average.

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Compare South River, NJ Weather To Other Cities

South River 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.
IndexSouth RiverNew JerseyNational
Air quality index404550
Pollution index12,837,2007,146,1325,066,862

South River 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

South River air quality information

PollutantTotal
Arsenic0.010%
Benzene0.110%
Carbon Tetrachloride0.050%
Lead0.020%
Mercury0.230%

Average monthly South River temperature with heat index

South River monthly precipitation with daily maximum

South River monthly snow depth with daily maximum

South River monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Clyde, NJ2434020%
Dayton, NJ7,3084020%
East Millstone, NJ5714020%
Finderne, NJ6,3364020%
Heathcote, NJ6,1724020%
South River, NJ16,3054020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Woodcrest, CA16,2968570%
Menomonie, WI16,295355610%
Bostonia, CA16,2956122%
Norcross, GA16,293524%
Fort Thomas, KY16,317548%
South River, NJ16,3054020%
Source: The South River, 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.