Frost Dates for Winthrop, MN

Based on data from Gaylord weather station, 7 miles away

Frost Dates

Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. April 24
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. October 15
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly 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 14
First Fall Hard Freeze October 24
44.54°N, -94.37°W © OpenStreetMap

Growing Season

174 Days April 24 to October 15

USDA Hardiness Zone iHardiness 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 (−29 to −26°C)

Learn more

Köppen Climate iThe 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.

Köppen climate map

Temperature

0° 30° 60° 90°
14°
High: 21°F
Avg: 14°F
Low: 6°F
Jan
18°
High: 26°F
Avg: 18°F
Low: 9°F
Feb
30°
High: 38°F
Avg: 30°F
Low: 22°F
Mar
45°
High: 54°F
Avg: 45°F
Low: 35°F
Apr
58°
High: 68°F
Avg: 58°F
Low: 48°F
May
69°
High: 78°F
Avg: 69°F
Low: 59°F
Jun
73°
High: 82°F
Avg: 73°F
Low: 63°F
Jul
70°
High: 80°F
Avg: 70°F
Low: 60°F
Aug
62°
High: 72°F
Avg: 62°F
Low: 51°F
Sep
48°
High: 57°F
Avg: 48°F
Low: 38°F
Oct
33°
High: 41°F
Avg: 33°F
Low: 25°F
Nov
20°
High: 27°F
Avg: 20°F
Low: 13°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 6" 8.0"
3.2"
3.23"
Jan
3.6"
3.59"
Feb
5.3"
5.30"
Mar
6.6"
6.58"
Apr
6.8"
6.82"
May
7.6"
7.62"
Jun
7.7"
7.73"
Jul
8.0"
7.99"
Aug
7.5"
7.52"
Sep
4.5"
4.46"
Oct
4.4"
4.41"
Nov
4.3"
4.32"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h14.5h15.5h15h14h12.5h10.5h9.5h8.5h
Jan: 7:30 AM – 4:30 PM · 8h 60m
Feb: 6:54 AM – 5:06 PM · 10h 12m
Mar: 6:11 AM – 5:49 PM · 11h 38m
Apr: 5:22 AM – 6:38 PM · 13h 15m
May: 4:42 AM – 7:18 PM · 14h 37m
Jun: 4:20 AM – 7:40 PM · 15h 21m
Jul: 4:29 AM – 7:31 PM · 15h 03m
Aug: 5:04 AM – 6:56 PM · 13h 52m
Sep: 5:51 AM – 6:09 PM · 12h 17m
Oct: 6:38 AM – 5:22 PM · 10h 43m
Nov: 7:20 AM – 4:40 PM · 9h 20m
Dec: 7:41 AM – 4:19 PM · 8h 39m
Daylight Longest: 15h 22m · Shortest: 8h 38m

Nearby Stations

Brownton Wwtp, MN April 30 - October 4 New Ulm 3se, MNMay 2 - October 7 St Peter, MNMay 2 - October 4 New Ulm 2 Se, MN April 29 - October 7 Hutchinson 1 N, MN April 28 - October 8 Mankato, MNApril 30 - October 9

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