National Weather Service United States Department of Commerce

September Climate Summaries

 and October Outlook

For the full details check out: Click here

 

For the full details check out: Click here

 

For the full details check out: Click here

 

For the full details check out: Click here

 

For the full details check out: Click here

 

October Climate Outlook

Temperature Outlook Precipitation Outlook

Normal highs for Duluth, MN begin in the upper 50s at the beginning of the month and cool to the mid 40s by the end of October. Normal lows for the month begin in the low 40s and cool to the low 30s by the end of October. Normal precipitation for October is 2.85 inches. Normal snowfall for October is 2.3 inches.

Normal highs for International Falls, MN begin the month in the upper 50s and cool to the low 40s by the end of October. Normal lows begin the month in the mid 30s and cool to the mid 20s by the end of October. Normal precipitation for October is 2.08 inches. Normal snowfall for October is 2.2 inches. 

Normal highs for Brainerd, MN begin the month in the low 60s and cool to the upper 40s by the end of October. Normal lows begin in the low 40s and cool to the low 30s by the end of October. Normal precipitation for October is 2.93 inches. Normal snowfall for October is 0.4 inches.

Normal highs for Hibbing, MN begin the month in the upper 50s and cool to the mid 40s by the end of October. Normal lows begin in the mid 30s and cool to the mid 20s by the end of October. Normal precipitation for October is 2.46 inches. 

Normal highs for Ashland, WI begin the month in the low 60s and cool to the upper 40s by the end of October. Normal lows begin in the upper 30s and cool to the low 30s by the end of October. Normal precipitation for October is 3.28 inches.

For all locations, the latest Climate Prediction Center (CPC) outlook indicates that odds are slightly tilted towards above normal temperatures and above normal precipitation.

 

Duluth, MN

Normals for the Month of October
(The monthly climate normals are from a 30 year period defined by the Climate Prediction Center as 1981-2010)

  The Normal, Monthly Average Temperature (degrees F)

43.2

  The Normal, Monthly High Temperature (degrees F)

51.5

  The Normal, Monthly Low Temperature (degrees F)

34.8

 

 

  Normal Monthly Precipitation (inches)

2.85

  Normal Monthly Snowfall (inches)

2.3

 

 

  Normal number of days with Measurable Precipitation

11.3

  Normal number of days with snow depth of 1 inch or greater

0.8

 

 

  Normal Heating Degree Days

678

  Normal Cooling Degree Days

0

 

Records for the Month of October

  Warmest Month (Monthly Average Temperature)

55.9 in 1963

  Coldest  Month (Monthly Average Temperature)

33.5 in 1917

  Highest Observed Temperature (degrees F)

86 on the 2nd  in 1953

  Lowest Observed High Temperature (degrees F)

21 on the 28th in 1925

  Lowest Observed Temperature (degrees F)

6 on the 27th in 1917

  Highest Observed Low Temperature (degrees F)

62 on the 14th in 1968 & on the 8th in 2011

 

 

  Greatest Monthly Precipitation (inches)

7.53 in 1949

  Least Monthly  Precipitation (inches)

0.09 in 1895

  Greatest Daily Precipitation (inches)

2.94 on the 26th  in 2010

 

 

  Greatest Monthly Snowfall (inches)

14.0 in 1933

  Least Monthly Snowfall (inches)

0.0

  Greatest Daily Snowfall (inches)

10.0 on the 23rd  in 1933

  Greatest Measured Snow Depth (inches)

6 on the 16th to 17th in 1966 & on the 27th in 2010


International Falls, MN

Normals for the Month of October
(The monthly climate normals are from a 30 year period defined by the Climate Prediction Center as 1981-2010)

  The Normal, Monthly Average Temperature (degrees F)

41.1

  The Normal, Monthly High Temperature (degrees F)

51.1

  The Normal, Monthly Low Temperature (degrees F)

31.0

 

 

  Normal Monthly Precipitation (inches)

2.08

  Normal Monthly Snowfall (inches)

2.2

 

 

  Normal number of days with Measurable Precipitation

11.7

  Normal number of days with snow depth of 1 inch or greater

0.8

 

 

  Normal Heating Degree Days

743

  Normal Cooling Degree Days

0

 

Records for the Month of October

  Warmest Month (Monthly Average Temperature)

53.6 in 1963

  Coldest  Month (Monthly Average Temperature)

32.7 in 1917

  Highest Observed Temperature (degrees F)

88 on the 5th in 1963 & on the 11th in 2015

  Lowest Observed High Temperature (degrees F)

20 on the 27th in 1919

  Lowest Observed Temperature (degrees F)

2 on the 30th in 1988

  Highest Observed Low Temperature (degrees F)

64 on the 7th in 2011

 

 

  Greatest Monthly Precipitation (inches)

5.45 in 1909

  Least Monthly  Precipitation (inches)

0.14 in 1992

  Greatest Daily Precipitation (inches)

2.33 on the 31st in 1979

 

 

  Greatest Monthly Snowfall (inches)

10.5 in 1917

  Least Monthly Snowfall (inches)

0.0 in Multiple Years

  Greatest Daily Snowfall (inches)

6.0 on the 18th in 1917

  Greatest Measured Snow Depth (inches)

8 on the 22nd in 1917

Brainerd, MN

Normals for the Month of October
(The monthly climate normals are from a 30 year period defined by the Climate Prediction Center as 1981-2010)

  The Normal, Monthly Average Temperature (degrees F)

45.5

  The Normal, Monthly High Temperature (degrees F)

55.3

  The Normal, Monthly Low Temperature (degrees F)

35.7

 

 

  Normal Monthly Precipitation (inches)

2.93

 

 

  Normal number of days with Measurable Precipitation

 

 

 

  Normal Heating Degree Days

606

  Normal Cooling Degree Days

1

 

Records for the Month of October

  Warmest Month (Monthly Average Temperature)

56.3 in 1963

  Coldest  Month (Monthly Average Temperature)

32.6 in 1925

  Highest Observed Temperature (degrees F)

88 on the 2nd in 1992

  Lowest Observed High Temperature (degrees F)

20 on the 27th and the 28th in 1925

  Lowest Observed Temperature (degrees F)

4 on the 27th in 1976

 Highest Observed Low Temperature (degrees F)

66 on the 15th in 1962 and on the 7th in 2011

 

 

  Greatest Monthly Precipitation (inches)

7.06 in 1984

  Least Monthly  Precipitation (inches)

0.18 in 1964

  Greatest Daily Precipitation (inches)

3.11 on the 26th in 2010

Hibbing, MN

Normals for the Month of October
(The monthly climate normals are from a 30 year period defined by the Climate Prediction Center as 1981-2010)

  The Normal, Monthly Average Temperature (degrees F)

40.7

  The Normal, Monthly High Temperature (degrees F)

52.0

  The Normal, Monthly Low Temperature (degrees F)

29.5

 

 

  Normal Monthly Precipitation (inches)

2.46

 

 

  Normal number of days with Measurable Precipitation

 

 

 

  Normal Heating Degree Days

752

  Normal Cooling Degree Days

0

 

 

 

Records for the Month of October

  Warmest Month (Monthly Average Temperature)

52.7 in 1947

  Coldest  Month (Monthly Average Temperature)

33.6 in 2002

  Highest Observed Temperature (degrees F)

87 on the 5th in 1963 and on the 11th in 2015

  Lowest Observed High Temperature (degrees F)

25 in multiple years

  Lowest Observed Temperature (degrees F)

0 on the 27th in 1976

 Highest Observed Low Temperature (degrees F)

61 on the 8th and the 12th in 1997

 

 

  Greatest Monthly Precipitation (inches)

5.68 in 1970

  Least Monthly  Precipitation (inches)

0.15 in 1944

  Greatest Daily Precipitation (inches)

3.68 on the 10th in 1973

Ashland , WI

Normals for the Month of October
(The monthly climate normals are from a 30 year period defined by the Climate Prediction Center as 1981-2010)

  The Normal, Monthly Average Temperature (degrees F)

44.5

  The Normal, Monthly High Temperature (degrees F)

54.6

  The Normal, Monthly Low Temperature (degrees F)

34.4

 

 

  Normal Monthly Precipitation (inches)

3.28

 

 

  Normal number of days with Measurable Precipitation

 

 

 

  Normal Heating Degree Days

637

  Normal Cooling Degree Days

2

 

Records for the Month of October

  Warmest Month (Monthly Average Temperature)

55.3 in 1963

  Coldest  Month (Monthly Average Temperature)

36.4 in 1925

  Highest Observed Temperature (degrees F)

94 on the 14th in 1908

  Lowest Observed High Temperature (degrees F)

26 on the 28th in 1925

  Lowest Observed Temperature (degrees F)

0 on the 18th in 1893

 Highest Observed Low Temperature (degrees F)

67 on the 3rd in 2005

 

 

  Greatest Monthly Precipitation (inches)

7.63 in 2005

  Least Monthly  Precipitation (inches)

0.41 in 2012

  Greatest Daily Precipitation (inches)

4.78 on the 4th in 2005