Duluth International Airport Weather Station of the U.S. Weather Service

Located in Duluth in Saint Louis County, Minnesota, Duluth International Airport is at an elevation of 1422 feet and was established as a weather station on 01 Aug 1940.

From 1971 to 2000, the following average readings were recorded:

 - - - - - - - - - JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC YEAR Average High....... 17.9 24.4 34.2 49.0 63.4 71.2 76.3 73.9 64.5 52.5 35.2 22.3 48.7 Average Low........ -1.2 5.1 16.5 28.9 40.2 48.5 54.6 53.5 44.8 34.5 20.7 5.6 29.3 Monthly Precipitn.. 1.12 .83 1.69 2.09 2.95 4.25 4.20 4.22 4.13 2.46 2.12 .94 31.00 Heating Degree Days 1772 1435 1248 787 421 180 69 106 331 682 1124 1587 9742 Cooling Degree Days 0 0 0 0 7 28 82 60 12 0 0 0 189 

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