Frost Dates for Longfellow Community, MN

Based on data from Lower St Anthony Falls weather station, 3 miles away

Elevation: 820 ft

Frost Dates

Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. April 23
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. October 16

30% Probability

Only a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.
Last Spring Frost April 30
First Fall Frost October 10

Hard Freeze (28°F)

Last Spring Hard Freeze April 14
First Fall Hard Freeze October 27
44.94°N, 93.23°W © OpenStreetMap

Growing Season

176 Days April 23 to October 16

USDA Hardiness Zone

Hardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.
Zone 5a

Avg. annual minimum: −20 to −15°F

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dfa Hot-Summer Continental

Hot summers and cold winters with year-round precipitation. Moderate growing season supports warm-season crops like tomatoes, peppers, and corn. Winter protection extends the harvest.

Temperature

Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January22°15°8°
February27°19°12°
March40°32°24°
April55°46°36°
May69°59°49°
June79°69°59°
July83°74°64°
August80°71°62°
September72°63°54°
October56°48°41°
November40°33°27°
December27°21°15°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January2.1
February2.3
March3.5
April5.3
May6.3
June5.6
July6.8
August7.6
September5.5
October4.2
November3.2
December2.5

Sunrise / Sunset

Daylight Central Time (CT) Longest: 15h 25m · Shortest: 8h 35m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Central Time (CT))
Month Sunrise Sunset Daylight
January7:54 AM4:51 PM8h 57m
February7:22 AM5:33 PM10h 11m
March7:34 AM7:11 PM11h 37m
April6:35 AM7:51 PM13h 16m
May5:50 AM8:29 PM14h 39m
June5:31 AM8:55 PM15h 24m
July5:46 AM8:51 PM15h 06m
August6:20 AM8:14 PM13h 54m
September6:59 AM7:16 PM12h 18m
October7:37 AM6:19 PM10h 42m
November7:19 AM4:37 PM9h 18m
December7:51 AM4:27 PM8h 36m

Nearby Stations

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