TODAY AUG19
TEMPERATURE82
HUMIDITY66
PRESSURE29.97
WIND COND.
  • 8670Sun20%
  • 8266Mon70%60%
  • 8060Tue20%
  • 8059Wed
  • 8161Thu
daynightWeather update from Pittsfield, Pittsfield Penstone Municipal Airport at

Griggsville 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°F39°F29°F3.5"
February23°F41°F31°F3.2"
March36°F56°F44°F3.6"
April46°F68°F56°F7.4"
May56°F76°F65°F7.6"
June64°F84°F74°F10.4"
July67°F87°F76°F8.6"
August65°F87°F75°F6.1"
September58°F81°F68°F8.5"
October46°F68°F56°F5.6"
November36°F55°F45°F5.5"
December27°F42°F33°F6.1"

Did you know?

  • The highest monthly average temperature in Griggsville for July is 76 degrees.
  • The lowest monthly average temperature in Griggsville for January is 29 degrees.
  • The most monthly precipitation in Griggsville occurs in June with 10.4 inches.
  • The air quality index in Griggsville is 31% better than the national average.
  • The pollution index in Griggsville is 95% better than the national average.

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Compare Griggsville, IL Weather To Other Cities

Griggsville 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.
IndexGriggsvilleIllinoisNational
Air quality index344150
Pollution index222,6333,347,2955,066,862

Griggsville air quality information

MeasurementTotal
Days measured304
Days with good air quality296
Days with moderate air quality8
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Griggsville air quality information

PollutantTotal
Arsenic0.003%
Benzene0.010%
Carbon Tetrachloride0.000%
Lead0.002%
Mercury0.000%

Average monthly Griggsville temperature with heat index

Griggsville monthly precipitation with daily maximum

Griggsville monthly snow depth with daily maximum

Griggsville monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
El Dara, IL573432%
Meredosia, IL1,0293432%
Perry, IL3253432%
Versailles, IL4203432%
Baylis, IL1903432%
Griggsville, IL1,3253432%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Alton, IA1,3254118%
Vardaman, MS1,3253530%
Vance, AL1,3253040%
Castleton-on-Hudson, NY1,3253628%
Fort Benton, MT1,3252648%
Griggsville, IL1,3253432%
Source: The Griggsville, IL 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.