Frost Dates for Trowbridge Park, MI

Based on data from Marquette weather station, 3 miles away

Elevation: 791 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 8
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 21
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 15
First Fall Frost October 15

Hard Freeze (28°F)

Last Spring Hard Freeze April 27
First Fall Hard Freeze November 2
46.56°N, -87.44°W © OpenStreetMap

Growing Season

166 Days May 8 to October 21

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.

Köppen climate map

Temperature

10° 30° 50° 70°
19°
High: 25°F
Avg: 19°F
Low: 12°F
Jan
20°
High: 27°F
Avg: 20°F
Low: 13°F
Feb
28°
High: 35°F
Avg: 28°F
Low: 21°F
Mar
38°
High: 46°F
Avg: 38°F
Low: 31°F
Apr
50°
High: 59°F
Avg: 50°F
Low: 41°F
May
59°
High: 68°F
Avg: 59°F
Low: 50°F
Jun
66°
High: 75°F
Avg: 66°F
Low: 58°F
Jul
66°
High: 74°F
Avg: 66°F
Low: 58°F
Aug
60°
High: 67°F
Avg: 60°F
Low: 52°F
Sep
47°
High: 54°F
Avg: 47°F
Low: 40°F
Oct
35°
High: 41°F
Avg: 35°F
Low: 29°F
Nov
24°
High: 30°F
Avg: 24°F
Low: 19°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 4.0"
1.9"
1.86"
Jan
1.7"
1.72"
Feb
2.4"
2.38"
Mar
3.7"
3.68"
Apr
4.0"
4.02"
May
3.5"
3.46"
Jun
3.5"
3.53"
Jul
3.0"
3.05"
Aug
3.2"
3.18"
Sep
3.2"
3.24"
Oct
2.7"
2.69"
Nov
2.3"
2.31"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h15h15.5h15.5h14h12.5h10.5h9h8.5h
Jan: 8:36 AM – 5:22 PM · 8h 46m
Feb: 8:02 AM – 6:06 PM · 10h 05m
Mar: 8:11 AM – 7:47 PM · 11h 36m
Apr: 7:09 AM – 8:30 PM · 13h 21m
May: 6:22 AM – 9:10 PM · 14h 48m
Jun: 6:01 AM – 9:38 PM · 15h 36m
Jul: 6:17 AM – 9:33 PM · 15h 17m
Aug: 6:54 AM – 8:54 PM · 14h 00m
Sep: 7:35 AM – 7:53 PM · 12h 19m
Oct: 8:16 AM – 6:54 PM · 10h 38m
Nov: 8:01 AM – 5:09 PM · 9h 08m
Dec: 8:34 AM – 4:57 PM · 8h 23m
Daylight Eastern Time (ET) Longest: 15h 38m · Shortest: 8h 22m

Nearby Stations

Marquette, MI May 22 - September 29 Ki Sawyer Wwtp, MI May 13 - October 2 Ishpeming Wwtp, MI May 26 - September 25 Clarksburg, MI June 5 - September 10 Chatham Exp Farm 2, MI May 30 - September 27 Chatham 1 Se, MI May 27 - September 28

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