Northland Climate Summaries for October 2021

October 2021 was a warm month in the Northland with all 5 major climate stations having a top 10 warmest October on record. Average temperatures for the month finished 6 to around 8 degrees warmer than average.

Total precipitation for October 2021 varied quite a bit in the Northland, but in general western areas saw above normal precipitation, while eastern areas had below normal precipitation.

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81% of days in October 2021 were warmer than average in Duluth, compared to just 16% of days which were cooler than average.

October 2021 saw 14 precipitation events (0.01″ or greater) in Duluth, but the month finished nearly an inch below normal in the precipitation department.

Daily Temperature Data for Duluth, Minnesota for October 2021

Accumulated Precipitation for Duluth, Minnesota for October 2021

Duluth, Minnesota Climate Summary for October 2021

Average temperature: 50.7 degrees
Normal: 44.1 degrees
Departure: +6.6 degrees above normal

Highest temperature: 71 on the 19th and 1st
Lowest temperature: 25 on the 22nd

4 days had a high temperature of at least 70 F (normal is 2 days)
16 days had a high temperature of at least 60 F (normal is 7 days)

4 days had a minimum temperature of 32 F or lower (normal is 11 days)

Total precipitation: 2.00″
Normal: 2.91″
Departure: -0.91″ below normal

Greatest calendar day precipitation total: 0.48″ on the 9th

14 days had at least 0.01″ of precipitation
8 days had at least 0.10″ of precipitation

Total snowfall: Trace
Normal: 2.7″
Departure: -2.7″ below normal

2 days with thunder

Note: October 2021 tied for 7th warmest October on record in station history. The warmest October on record was in 1963 with an average temperature of 55.9 degrees.
International Falls, Minnesota Climate Summary for October 2021

Average temperature: 49.3 degrees
Departure: +8.2 degrees above normal

Total precipitation: 2.77″
Departure: +0.55″ above normal

Total snowfall: Trace
Departure: -1.6″ below normal

1 day with thunder

Note: October 2021 was the 5th warmest October in station history. The warmest October on record was in 1963 with an average temperature of 53.6 degrees.
Brainerd, Minnesota Climate Summary for October 2021

Average temperature: 51.4 degrees
Departure: +6.0 degrees above normal

Total precipitation: 3.55″
Departure: +1.18″ above normal

Note: October 2021 was the 8th warmest October in station history. The warmest October on record was in 1963 with an average temperature of 56.3 degrees.
Hibbing, Minnesota Climate Summary for October 2021

Average temperature: 47.5 degrees
Departure: +7.3 degrees above normal

Total precipitation: 2.16″
Departure: -0.19″ below normal

3 days with thunder

Note: October 2021 was the 6th warmest October in station history. The warmest October on record was in 1947 with an average temperature of 52.7 degrees.
Ashland, Wisconsin Climate Summary for October 2021

Average temperature: 51.3 degrees
Departure: +6.3 degrees above normal

Total precipitation: 1.82″
Departure: -1.01″ below normal

3 days with thunder

Note: October 2021 was the 9th warmest October in station history. The warmest October on record was in 1963 with an average temperature of 55.3 degrees.
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October 2021 Precipitation totals and their Percent of Normal

Brainerd, MN: 3.55″ (150% of normal)
International Falls, MN: 2.77″ (125% of normal)
Hibbing, MN: 2.16″ (92% of normal)
Duluth, MN: 2.00″ (69% of normal)
Ashland, WI: 1.82″ (64% of normal)

Tim

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