Frost Dates for Mountain Lake, MN

Based on data from Windom weather station, 10 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 30
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 10
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 May 4
First Fall Frost October 3

Hard Freeze (28°F)

Last Spring Hard Freeze April 19
First Fall Hard Freeze October 21
43.94°N, -94.93°W © OpenStreetMap

Growing Season

163 Days April 30 to October 10

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°
17°
High: 25°F
Avg: 17°F
Low: 8°F
Jan
21°
High: 30°F
Avg: 21°F
Low: 12°F
Feb
33°
High: 43°F
Avg: 33°F
Low: 24°F
Mar
47°
High: 58°F
Avg: 47°F
Low: 36°F
Apr
59°
High: 71°F
Avg: 59°F
Low: 48°F
May
70°
High: 81°F
Avg: 70°F
Low: 59°F
Jun
74°
High: 84°F
Avg: 74°F
Low: 63°F
Jul
71°
High: 81°F
Avg: 71°F
Low: 61°F
Aug
64°
High: 75°F
Avg: 64°F
Low: 52°F
Sep
50°
High: 61°F
Avg: 50°F
Low: 39°F
Oct
34°
High: 44°F
Avg: 34°F
Low: 25°F
Nov
22°
High: 30°F
Avg: 22°F
Low: 14°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" 6.2"
2.3"
2.34"
Jan
2.2"
2.21"
Feb
3.5"
3.51"
Mar
5.3"
5.25"
Apr
5.9"
5.92"
May
6.2"
6.21"
Jun
5.2"
5.24"
Jul
4.6"
4.58"
Aug
4.5"
4.47"
Sep
3.8"
3.77"
Oct
3.0"
2.97"
Nov
2.7"
2.71"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13h14.5h15.5h15h14h12.5h11h9.5h8.5h
Jan: 7:28 AM – 4:32 PM · 9h 04m
Feb: 6:53 AM – 5:07 PM · 10h 15m
Mar: 6:11 AM – 5:49 PM · 11h 38m
Apr: 5:23 AM – 6:37 PM · 13h 13m
May: 4:44 AM – 7:16 PM · 14h 33m
Jun: 4:22 AM – 7:38 PM · 15h 16m
Jul: 4:31 AM – 7:29 PM · 14h 58m
Aug: 5:05 AM – 6:55 PM · 13h 49m
Sep: 5:51 AM – 6:09 PM · 12h 17m
Oct: 6:37 AM – 5:23 PM · 10h 45m
Nov: 7:18 AM – 4:42 PM · 9h 24m
Dec: 7:38 AM – 4:22 PM · 8h 44m
Daylight Longest: 15h 17m · Shortest: 8h 43m

Nearby Stations

Lakefield 2ne, MN May 2 - October 2 Sherburn 3wsw, MN April 28 - October 8 St James Wwtp, MN April 30 - October 7 Springfield 1 Nw, MN May 4 - October 1 Lamberton Sw Rsch & Outreach C, MN May 3 - October 2 Worthington 2 Nne, MN May 3 - October 4

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