May 2021 Climate Summaries for the Northland

May 2021 was warmer and drier than average in northeast Minnesota and northwest Wisconsin with average temperatures for the month finishing about 1 degree above average. Precipitation was below normal last month, with Brainerd recording their driest May on record, while Hibbing and International Falls recorded a top 10 driest May on record.

May 2021 Climate Summary for Duluth, Minnesota

Average temperature: 53.5 degrees
Normal: 52.0 degrees
Departure: +1.5 degrees above normal

Highest temperature: 83 degrees on the 25th and 1st
Lowest temperature: 26 degrees on the 11th

11 days had a high temperature of at least 70 degrees (normal in May is 6 days)

4 days had a high temperature of at least 80 degrees (normal in May is 2 days)

7 days had a low temperature of 32 degrees or colder (normal in May is 4 days)

Total precipitation: 1.88″
Normal: 3.37″
Departure: -1.49″ below normal

Number of days with at least 0.01″ of precipitation: 7
Number of days with at least 0.10″ of precipitation: 3
Number of days with at least 0.50″ of precipitation: 1

Greatest calendar day precipitation total: 0.82″ on the 23rd

Total snowfall: Trace
Normal: 0.8″
Departure: -0.8″ below normal

3 days with thunder
May 2021 Climate Summary for International Falls, Minnesota

Average temperature: 52.7 degrees
Departure: +1.6 degrees above normal

Total precipitation: 0.62″
Departure: -2.44″ below normal

1 day with thunder

Note: May 2021 was the 6th driest May in station history.
May 2021 Climate Summary for Brainerd, Minnesota

Average temperature: 56.2 degrees
Departure: +0.9 degrees above normal

Total precipitation: 0.27″
Departure: -3.00″ below normal

1 day with thunder

Note: May 2021 was the driest May on record in station history. The previous driest May on record at Brainerd was in 1928 with 0.29″ of precipitation.
May 2021 Climate Summary for Hibbing, Minnesota

Average temperature: 50.8 degrees
Departure: +1.3 degrees above normal

Total precipitation: 0.92″
Departure: -1.84″ below normal

2 days with thunder

Note: May 2021 was the 8th driest May on record in station history.
May 2021 Climate Summary for Ashland, Wisconsin

Average temperature: 52.1 degrees
Departure: +0.6 degrees above normal

Total precipitation: 1.97″
Departure: -1.48″ below normal

3 days with thunder
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Total precipitation and percent of Mean for May 2021

Ashland: 57% of normal

Duluth: 56% of normal

Hibbing: 33% of normal

International Falls: 20% of normal

Brainerd: 8% of normal

Tim

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