TODAY OCT23
TEMPERATURE44
HUMIDITY89
PRESSURE30.06
WIND COND.
  • 5134Wed
  • 4830Thu
  • 4836Fri30%
  • 4537Sat50%50%
  • 4838Sun50%40%
daynightWeather update from Somerville, Somerset Airport at
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Long Valley 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
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 Long Valley for July is 75 degrees.
  • The lowest monthly average temperature in Long Valley for January is 31 degrees.
  • The most monthly precipitation in Long Valley occurs in August with 5.5 inches.
  • The air quality index in Long Valley is 21% better than the national average.
  • The pollution index in Long Valley is 37% better than the national average.

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Compare Long Valley, NJ Weather To Other Cities

Long Valley 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.
IndexLong ValleyNew JerseyNational
Air quality index394550
Pollution index3,167,1107,146,1325,066,862

Long Valley air quality information

MeasurementTotal
Days measured365
Days with good air quality276
Days with moderate air quality89
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Long Valley air quality information

PollutantTotal
Arsenic0.002%
Benzene0.040%
Carbon Tetrachloride0.010%
Lead0.030%
Mercury0.001%

Average monthly Long Valley temperature with heat index

Long Valley monthly precipitation with daily maximum

Long Valley monthly snow depth with daily maximum

Long Valley monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Allamuchy, NJ1533922%
Beattystown, NJ4,4983922%
Brookfield, NJ6323922%
Califon, NJ1,3403922%
Dover, NJ18,3173922%
Long Valley, NJ1,9713922%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Mount Holly Springs, PA1,9714314%
Rainier, OR1,9712256%
Rosharon, TX1,972524%
Watkins Glen, NY1,9703040%
Telluride, CO1,9724314%
Long Valley, NJ1,9713922%
Source: The Long Valley, 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.