TODAY AUG20
TEMPERATURE70
HUMIDITY93
PRESSURE
WIND COND.70 3.4
  • 806990%
  • 7662Tue70%30%
  • 7361Wed
  • 7662Thu
  • 7765Fri50%
daynightWeather update from Benton Harbor, Southwest Michigan Regional Airport at

St. Joseph 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
January20°F34°F27°F2.6"
February20°F35°F27°F1.8"
March28°F47°F37°F2.5"
April37°F60°F48°F4.0"
May47°F70°F58°F3.5"
June56°F79°F68°F3.3"
July61°F82°F72°F3.6"
August60°F81°F70°F4.8"
September53°F75°F63°F3.4"
October43°F63°F53°F5.5"
November33°F51°F42°F2.7"
December25°F39°F32°F2.5"

Did you know?

  • The highest monthly average temperature in St. Joseph for July is 72 degrees.
  • The lowest monthly average temperature in St. Joseph for January is 27 degrees.
  • The most monthly precipitation in St. Joseph occurs in October with 5.5 inches.
  • The air quality index in St. Joseph is 23% better than the national average.
  • The pollution index in St. Joseph is 64% better than the national average.

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Compare St. Joseph, MI Weather To Other Cities

St. Joseph 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.
IndexSt. JosephMichiganNational
Air quality index386950
Pollution index1,797,1304,018,8005,066,862

St. Joseph air quality information

MeasurementTotal
Days measured241
Days with good air quality192
Days with moderate air quality47
Days w/ poor A.Q. for sensitive groups2
Days with unhealthy air quality

St. Joseph air quality information

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

Average monthly St. Joseph temperature with heat index

St. Joseph monthly precipitation with daily maximum

St. Joseph monthly snow depth with daily maximum

St. Joseph monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Benton Heights, MI4,5193824%
Eau Claire, MI6123824%
Paw Paw Lake, MI3,7253824%
Berrien Springs, MI1,3703824%
Fair Plain, MI7,4653824%
St. Joseph, MI8,3073824%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Gig Harbor, WA8,3071766%
Somers, WI8,3093530%
Doylestown, PA8,3054020%
Smithfield, VA8,3043922%
Ahuimanu, HI8,3123040%
St. Joseph, MI8,3073824%
Source: The St. Joseph, MI 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.