Frost Dates for Hart, MI

Based on data from Hart 3 Wsw weather station, 3 miles away

Elevation: 676 ft

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. May 12
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 20
First Fall Frost October 3

Hard Freeze (28°F)

Last Spring Hard Freeze April 30
First Fall Hard Freeze October 25
43.70°N, -86.36°W © OpenStreetMap

Growing Season

151 Days May 12 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 6a

Avg. annual minimum: −10 to −5°F (−23 to −21°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Dfb Warm-Summer Continental

Warm summers and cold, snowy winters. A shorter growing season than hot-summer continental. Hardy vegetables, root crops, and cool-season greens do well. Season extension is valuable.

Temperature

10° 30° 50° 70°
23°
High: 30°F
Avg: 23°F
Low: 16°F
Jan
24°
High: 32°F
Avg: 24°F
Low: 16°F
Feb
32°
High: 42°F
Avg: 32°F
Low: 23°F
Mar
44°
High: 55°F
Avg: 44°F
Low: 33°F
Apr
55°
High: 67°F
Avg: 55°F
Low: 43°F
May
65°
High: 76°F
Avg: 65°F
Low: 54°F
Jun
69°
High: 80°F
Avg: 69°F
Low: 58°F
Jul
68°
High: 79°F
Avg: 68°F
Low: 57°F
Aug
61°
High: 72°F
Avg: 61°F
Low: 50°F
Sep
49°
High: 59°F
Avg: 49°F
Low: 39°F
Oct
38°
High: 45°F
Avg: 38°F
Low: 30°F
Nov
28°
High: 35°F
Avg: 28°F
Low: 22°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" 6.8"
3.2"
3.23"
Jan
2.8"
2.75"
Feb
3.8"
3.82"
Mar
5.1"
5.10"
Apr
6.8"
6.77"
May
6.3"
6.27"
Jun
6.3"
6.29"
Jul
6.2"
6.17"
Aug
5.4"
5.38"
Sep
4.9"
4.94"
Oct
3.9"
3.93"
Nov
3.7"
3.71"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10.5h11.5h13h14.5h15h15h14h12.5h11h9.5h9h
Jan: 8:22 AM – 5:28 PM · 9h 05m
Feb: 7:52 AM – 6:08 PM · 10h 16m
Mar: 8:06 AM – 7:45 PM · 11h 38m
Apr: 7:09 AM – 8:22 PM · 13h 13m
May: 6:26 AM – 8:58 PM · 14h 32m
Jun: 6:09 AM – 9:23 PM · 15h 14m
Jul: 6:23 AM – 9:20 PM · 14h 57m
Aug: 6:56 AM – 8:44 PM · 13h 48m
Sep: 7:32 AM – 7:49 PM · 12h 17m
Oct: 8:08 AM – 6:54 PM · 10h 46m
Nov: 7:48 AM – 5:13 PM · 9h 25m
Dec: 8:19 AM – 5:04 PM · 8h 45m
Daylight Eastern Time (ET) Longest: 15h 16m · Shortest: 8h 44m

Nearby Stations

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