TODAY DEC06
TEMPERATURE33
HUMIDITY74
PRESSURE30.38
WIND COND.320 10.3
  • 4433Sat
  • 5028Sun20%
  • 369Mon30%
  • 213Tue
  • 197Wed
daynightWeather update from Grinnell Municipal Airfield at
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Chelsea Average Temperature

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
January14°F30°F21°F1.4"
February17°F33°F24°F2.7"
March31°F50°F39°F3.7"
April40°F63°F50°F7.2"
May52°F74°F62°F7.7"
June62°F82°F72°F7.8"
July65°F85°F74°F7.6"
August63°F82°F72°F7.4"
September54°F77°F64°F7.1"
October43°F64°F53°F6.9"
November32°F50°F40°F3.7"
December20°F35°F27°F5.3"

Did you know?

  • The highest monthly average temperature in Chelsea for July is 74 degrees.
  • The lowest monthly average temperature in Chelsea for January is 21 degrees.
  • The most monthly precipitation in Chelsea occurs in June with 7.8 inches.
  • The air quality index in Chelsea is 16% better than the national average.
  • The pollution index in Chelsea is 92% better than the national average.

Compare Chelsea, IA Weather To Other Cities

Chelsea 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.
IndexChelseaIowaNational
Air quality index423950
Pollution index416,1141,643,8365,066,862

Chelsea 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

Chelsea air quality information

PollutantTotal
Arsenic0.000%
Benzene0.004%
Carbon Tetrachloride0.001%
Lead0.000%
Mercury0.000%

Average monthly Chelsea temperature with heat index

Chelsea monthly precipitation with daily maximum

Chelsea monthly snow depth with daily maximum

Chelsea monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Belle Plaine, IA2,5624216%
Ladora, IA3084216%
Brooklyn, IA1,4224216%
Hartwick, IA984216%
Luzerne, IA1384216%
Chelsea, IA2424216%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
West Leipsic, OH2423040%
Mingus, TX2423334%
Waterloo, OR2422354%
Lake Tomahawk, WI2423628%
Alice Acres, TX2423138%
Chelsea, IA2424216%
Source: The Chelsea, 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.
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