Frost Dates for Red Wing Dam 3, MN
Elevation: 206 m
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 14
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 7
Hard Freeze (28°F)
Last Spring Hard Freeze
April 12
First Fall Hard Freeze
October 25
Growing Season
174 Days
April 23 to October 14
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
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
0°
30°
60°
90°
Avg High
Avg Temp
Avg Low
Light Frost (32°F)
Hard Frost (28°F)
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | 23° | 15° | 6° |
| February | 28° | 19° | 9° |
| March | 41° | 31° | 22° |
| April | 56° | 46° | 36° |
| May | 68° | 58° | 48° |
| June | 78° | 68° | 58° |
| July | 82° | 72° | 62° |
| August | 80° | 70° | 60° |
| September | 73° | 62° | 52° |
| October | 59° | 49° | 39° |
| November | 42° | 34° | 26° |
| December | 29° | 22° | 14° |
Precipitation
0"
2"
4"
5.7"
Precipitation table
| Month | Precipitation |
|---|---|
| January | 1.2 |
| February | 1.6 |
| March | 2.7 |
| April | 3.8 |
| May | 4.5 |
| June | 5.5 |
| July | 5.7 |
| August | 5.5 |
| September | 5.0 |
| October | 3.1 |
| November | 2.3 |
| December | 1.4 |
Sunrise / Sunset
Daylight
Central Time (CT)
Longest: 15h 23m · Shortest: 8h 37m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:50 AM | 4:49 PM | 8h 59m |
| February | 7:19 AM | 5:31 PM | 10h 12m |
| March | 7:31 AM | 7:09 PM | 11h 38m |
| April | 6:33 AM | 7:48 PM | 13h 15m |
| May | 5:48 AM | 8:25 PM | 14h 37m |
| June | 5:30 AM | 8:51 PM | 15h 21m |
| July | 5:44 AM | 8:48 PM | 15h 03m |
| August | 6:19 AM | 8:11 PM | 13h 52m |
| September | 6:56 AM | 7:14 PM | 12h 18m |
| October | 7:34 AM | 6:17 PM | 10h 43m |
| November | 7:16 AM | 4:35 PM | 9h 20m |
| December | 7:47 AM | 4:26 PM | 8h 39m |
Nearby Stations
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