TODAY AUG19
TEMPERATURE63
HUMIDITY100
PRESSURE29.97
WIND COND.
  • 7562Mon80%80%
  • 7554Tue40%
  • 7754Wed
  • 7960Thu
  • 7964Fri60%40%
daynightWeather update from Monticello Municipal at

Monticello 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
January10°F29°F19°F1.4"
February12°F32°F22°F1.9"
March25°F47°F36°F2.3"
April36°F62°F49°F4.9"
May47°F72°F59°F4.5"
June58°F81°F69°F5.3"
July61°F84°F72°F6.9"
August59°F81°F70°F4.2"
September51°F76°F63°F3.2"
October40°F63°F51°F3.4"
November28°F49°F38°F2.2"
December15°F33°F24°F2.5"

Did you know?

  • The highest monthly average temperature in Monticello for July is 72 degrees.
  • The lowest monthly average temperature in Monticello for January is 19 degrees.
  • The most monthly precipitation in Monticello occurs in July with 6.9 inches.
  • The air quality index in Monticello is 15% better than the national average.
  • The pollution index in Monticello is 88% better than the national average.

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Compare Monticello, IA Weather To Other Cities

Monticello 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.
IndexMonticelloIowaNational
Air quality index423950
Pollution index586,1751,643,8365,066,862

Monticello air quality information

MeasurementTotal
Days measured365
Days with good air quality256
Days with moderate air quality108
Days w/ poor A.Q. for sensitive groups1
Days with unhealthy air quality

Monticello air quality information

PollutantTotal
Arsenic0.000%
Benzene0.010%
Carbon Tetrachloride0.001%
Lead0.090%
Mercury0.000%

Average monthly Monticello temperature with heat index

Monticello monthly precipitation with daily maximum

Monticello monthly snow depth with daily maximum

Monticello monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Cascade, IA1,9783236%
Farley, IA1,6883236%
Epworth, IA2,0683236%
Worthington, IA4203236%
Prairieburg, IA1844216%
Monticello, IA3,8094216%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Marlboro Meadows, MD3,809492%
Brittany Farms-The Highlands, PA3,8095714%
Union Springs, AL3,8083726%
French Camp, CA3,8105714%
Brookmont, MD3,810492%
Monticello, IA3,8094216%
Source: The Monticello, IA 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.