Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 22°F | 35°F | 28°F | 5.5" |
February | 19°F | 33°F | 26°F | 1.5" |
March | 28°F | 46°F | 37°F | 2.3" |
April | 36°F | 60°F | 47°F | 3.5" |
May | 46°F | 71°F | 58°F | 4.0" |
June | 58°F | 81°F | 70°F | 4.1" |
July | 59°F | 83°F | 71°F | 7.1" |
August | 59°F | 81°F | 71°F | 13.5" |
September | 53°F | 78°F | 65°F | 6.2" |
October | 45°F | 66°F | 56°F | 4.1" |
November | 33°F | 51°F | 42°F | 3.6" |
December | 24°F | 34°F | 29°F | 2.4" |
Index | South Haven | Michigan | National |
Air quality index | 39 | 69 | 42 |
Pollution index | 1,797,130 | 4,161,606 | 2,726,193 |
Measurement | Total |
Days measured | 241 |
Days with good air quality | 185 |
Days with moderate air quality | 51 |
Days w/ poor A.Q. for sensitive groups | 5 |
Days with unhealthy air quality |
Pollutant | Total |
Arsenic | 0.001% |
Benzene | 0.020% |
Carbon Tetrachloride | 0.002% |
Lead | 0.002% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Fennville, MI | 1,939 | 38 | 24.0% |
Lawrence, MI | 918 | 38 | 24.0% |
Hartford, MI | 2,588 | 39 | 22.0% |
Watervliet, MI | 2,082 | 39 | 22.0% |
Lake Michigan Beach, MI | 1,110 | 39 | 22.0% |
South Haven, MI | 4,340 | 39 | 22.0% |
City | Population | Air Quality Index | National Avg. |
Tontitown, AR | 4,341 | 44 | 12.0% |
Garwood, NJ | 4,341 | 51 | 2.0% |
Glassport, PA | 4,338 | 56 | 12.0% |
Jourdanton, TX | 4,338 | 49 | 2.0% |
Berryville, VA | 4,338 | 38 | 24.0% |
South Haven, MI | 4,340 | 39 | 22.0% |