TODAY OCT19
TEMPERATURE
HUMIDITY100
PRESSURE30.33
WIND COND.
  • 5847Fri20%
  • 6040Sat50%20%
  • 4631Sun
  • 4938Mon
  • 5438Tue
daynightWeather update from Morristown Municipal at
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Mendham 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 Mendham for July is 75 degrees.
  • The lowest monthly average temperature in Mendham for January is 31 degrees.
  • The most monthly precipitation in Mendham occurs in August with 5.5 inches.
  • The air quality index in Mendham is 21% better than the national average.
  • The pollution index in Mendham is 61% worse than the national average.

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Compare Mendham, NJ Weather To Other Cities

Mendham 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.
IndexMendhamNew JerseyNational
Air quality index394550
Pollution index8,169,9307,146,1325,066,862

Mendham 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

Mendham air quality information

PollutantTotal
Arsenic0.010%
Benzene0.070%
Carbon Tetrachloride0.030%
Lead0.020%
Mercury0.010%

Average monthly Mendham temperature with heat index

Mendham monthly precipitation with daily maximum

Mendham monthly snow depth with daily maximum

Mendham monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Budd Lake, NJ9,0373922%
Chester, NJ1,5773922%
Lake Telemark, NJ1,1033922%
Succasunna, NJ8,8743922%
Vienna, NJ1,0233922%
Mendham, NJ5,0123922%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Whiskey Creek, FL5,0113334%
Holbrook, AZ5,0114216%
Sheldon, IA5,0154020%
Port Isabel, TX5,0154118%
Kahaluu, HI5,0093040%
Mendham, NJ5,0123922%
Source: The Mendham, 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.