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Dennison 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
January9°F25°F17°F1.9"
February11°F29°F19°F1.9"
March26°F43°F34°F3.2"
April37°F59°F47°F3.3"
May48°F71°F59°F5.1"
June59°F79°F69°F7.0"
July62°F83°F72°F7.4"
August59°F80°F69°F5.1"
September53°F74°F62°F8.7"
October40°F60°F49°F3.9"
November28°F46°F36°F4.9"
December14°F29°F22°F2.9"

Did you know?

  • The highest monthly average temperature in Dennison for July is 72 degrees.
  • The lowest monthly average temperature in Dennison for January is 17 degrees.
  • The most monthly precipitation in Dennison occurs in September with 8.7 inches.
  • The air quality index in Dennison is 27% better than the national average.
  • The pollution index in Dennison is 64% better than the national average.

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Compare Dennison, MN Weather To Other Cities

Dennison 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.
IndexDennisonMinnesotaNational
Air quality index363550
Pollution index1,803,8401,833,6285,066,862

Dennison air quality information

MeasurementTotal
Days measured213
Days with good air quality204
Days with moderate air quality9
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Dennison air quality information

PollutantTotal
Arsenic0.002%
Benzene0.030%
Carbon Tetrachloride0.002%
Lead0.010%
Mercury0.003%

Average monthly Dennison temperature with heat index

Dennison monthly precipitation with daily maximum

Dennison monthly snow depth with daily maximum

Dennison monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Cannon Falls, MN4,0853628%
Kenyon, MN1,8523628%
Northfield, MN20,4053628%
Dundas, MN1,5863628%
Miesville, MN1333628%
Dennison, MN1623628%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Anawalt, WV162295490%
Sunizona, AZ1624412%
Homestead, MO1625816%
Climax Springs, MO1623726%
Tunnel City, WI1624020%
Dennison, MN1623628%
Source: The Dennison, MN 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.