TODAY JUN21
TEMPERATURE78
HUMIDITY67
PRESSURE29.75
WIND COND.
  • 8462Thu40%
  • 7561Fri30%
  • 7966Sat60%70%
  • 8565Sun40%
  • 8158Mon30%
daynightWeather update from Somerville, Somerset Airport at

Griggstown 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
January-2°F73°F32°F2.4"
February3°F70°F31°F2.1"
March3°F81°F40°F3.3"
April21°F93°F52°F4.5"
May30°F93°F60°F3.0"
June39°F96°F70°F5.1"
July46°F98°F74°F5.7"
August1°F100°F73°F4.4"
September37°F94°F66°F3.6"
October24°F90°F54°F7.3"
November13°F74°F45°F3.5"
December-6°F72°F34°F4.3"

Did you know?

  • The highest monthly average temperature in Griggstown for July is 74 degrees.
  • The lowest monthly average temperature in Griggstown for February is 31 degrees.
  • The most monthly precipitation in Griggstown occurs in October with 7.3 inches.
  • The air quality index in Griggstown is 19% better than the national average.
  • The pollution index in Griggstown is 10% worse than the national average.

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Compare Griggstown, NJ Weather To Other Cities

Griggstown 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.
IndexGriggstownNew JerseyNational
Air quality index404550
Pollution index5,618,7107,146,1325,066,862

Griggstown 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

Griggstown air quality information

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

Average monthly Griggstown temperature with heat index

Griggstown monthly precipitation with daily maximum

Griggstown monthly snow depth with daily maximum

Griggstown monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bound Brook, NJ10,5124020%
Englishtown, NJ2,1894020%
Franklin Center, NJ4,7014020%
Hamilton Square, NJ13,2654020%
Highland Park, NJ14,2454020%
Griggstown, NJ7924020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Hewitt, WI7923628%
Orrick, MO7925816%
Washington, LA7924412%
Telford, TN7924510%
Climax, MI7923922%
Griggstown, NJ7924020%
Source: The Griggstown, 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.