TODAY JUN20
TEMPERATURE66
HUMIDITY100
PRESSURE29.97
WIND COND.
  • 7862Wed20%
  • 8061Thu
  • 8059Fri
  • 7861Sat30%30%
  • 8262Sun
daynightWeather update from Madison, Madison-Lac Qui Parle County Airport at

Marietta 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-26°F46°F17°Fn/a
February-20°F55°F17°Fn/a
March-11°F79°F32°Fn/a
April16°F84°F46°Fn/a
May19°F99°F59°Fn/a
June46°F97°F69°Fn/a
July46°F99°F74°Fn/a
August43°F93°F69°Fn/a
September30°F93°F62°Fn/a
October21°F90°F48°Fn/a
November1°F77°F34°Fn/a
December-11°F63°F21°Fn/a

Did you know?

  • The highest monthly average temperature in Marietta for July is 74 degrees.
  • The lowest monthly average temperature in Marietta for February is 17 degrees.
  • The most monthly precipitation in Marietta occurs in January with 0 inches.
  • The air quality index in Marietta is 27% better than the national average.
  • The pollution index in Marietta is 92% better than the national average.

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Compare Marietta, MN Weather To Other Cities

Marietta 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.
IndexMariettaMinnesotaNational
Air quality index363550
Pollution index358,6081,833,6285,066,862

Marietta air quality information

MeasurementTotal
Days measured361
Days with good air quality278
Days with moderate air quality83
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Marietta air quality information

PollutantTotal
Arsenic0.001%
Benzene0.020%
Carbon Tetrachloride0.000%
Lead0.002%
Mercury0.000%

Average monthly Marietta temperature with heat index

Marietta monthly precipitation with daily maximum

Marietta monthly snow depth with daily maximum

Marietta monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Madison, MN1,5673530%
Bellingham, MN1713628%
Albee, SD53628%
Milbank, SD3,2523628%
Louisburg, MN333628%
Marietta, MN1533628%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Dent, MN1533530%
Bibo, NM153512%
Halfway, MO1533922%
Jansen, NE1533432%
Melrose, IA1534118%
Marietta, MN1533628%
Source: The Marietta, 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.