TODAY AUG18
TEMPERATURE75
HUMIDITY74
PRESSURE29.99
WIND COND.60 6.9
  • 8360Sat
  • 8263Sun
  • 7862Mon40%70%
  • 7655Tue70%40%
  • 7656Wed
daynightWeather update from Waukesha County Airport at

Hartland 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
January15°F28°F21°F0.6"
February15°F29°F22°F2.8"
March27°F43°F34°F2.9"
April37°F55°F45°F3.1"
May47°F67°F56°F8.9"
June56°F76°F66°F19.6"
July61°F80°F70°F14.9"
August60°F78°F69°F2.3"
September53°F72°F61°F10.4"
October42°F59°F50°F6.6"
November31°F46°F38°F3.6"
December20°F32°F26°F1.8"

Did you know?

  • The highest monthly average temperature in Hartland for July is 70 degrees.
  • The lowest monthly average temperature in Hartland for January is 21 degrees.
  • The most monthly precipitation in Hartland occurs in June with 19.6 inches.
  • The air quality index in Hartland is 9% better than the national average.
  • The pollution index in Hartland is 238% worse than the national average.

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Compare Hartland, WI Weather To Other Cities

Hartland 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.
IndexHartlandWisconsinNational
Air quality index456950
Pollution index17,168,0003,316,8775,066,862

Hartland air quality information

MeasurementTotal
Days measured365
Days with good air quality211
Days with moderate air quality154
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Hartland air quality information

PollutantTotal
Arsenic0.030%
Benzene0.160%
Carbon Tetrachloride0.050%
Lead0.160%
Mercury0.150%

Average monthly Hartland temperature with heat index

Hartland monthly precipitation with daily maximum

Hartland monthly snow depth with daily maximum

Hartland monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Dousman, WI2,4933628%
North Prairie, WI2,3913628%
Ixonia, WI1,6793726%
Neosho, WI6673726%
Oconomowoc Lake, WI5473726%
Hartland, WI9,1954510%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Andover, MA9,194476%
Montecito, CA9,1934412%
Chillicothe, MO9,1994510%
Harleysville, PA9,191476%
Ellisville, MO9,1886020%
Hartland, WI9,1954510%
Source: The Hartland, WI 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.