Frost Dates for Port Hope, MI

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 5
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 24
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 11
First Fall Frost October 17

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze April 21
First Fall Hard Freeze November 5
43.95°N, -82.71°W © OpenStreetMap

Growing Season

172 Days May 5 to October 24

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 6b

Learn more

Temperature

10° 30° 50° 70°
22°
High: 28°
Avg: 22°
Low: 16°
Jan
23°
High: 30°
Avg: 23°
Low: 16°
Feb
31°
High: 38°
Avg: 31°
Low: 24°
Mar
41°
High: 49°
Avg: 41°
Low: 33°
Apr
52°
High: 60°
Avg: 52°
Low: 44°
May
63°
High: 71°
Avg: 63°
Low: 54°
Jun
68°
High: 77°
Avg: 68°
Low: 60°
Jul
68°
High: 77°
Avg: 68°
Low: 59°
Aug
61°
High: 70°
Avg: 61°
Low: 52°
Sep
49°
High: 57°
Avg: 49°
Low: 42°
Oct
39°
High: 45°
Avg: 39°
Low: 32°
Nov
29°
High: 34°
Avg: 29°
Low: 23°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 1" 2" 3" 3.8"
1.6"
1.65"
Jan
1.5"
1.51"
Feb
2.1"
2.06"
Mar
3.1"
3.08"
Apr
3.5"
3.46"
May
3.8"
3.76"
Jun
3.8"
3.81"
Jul
3.1"
3.15"
Aug
2.8"
2.82"
Sep
3.0"
3.01"
Oct
2.5"
2.48"
Nov
2.1"
2.08"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h12h13h15h15h15h14h12h11h9h9h
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 14m
May: 4:43 AM – 7:17 PM · 14h 33m
Jun: 4:22 AM – 7:38 PM · 15h 16m
Jul: 4:31 AM – 7:29 PM · 14h 59m
Aug: 5:05 AM – 6:55 PM · 13h 49m
Sep: 5:51 AM – 6:09 PM · 12h 17m
Oct: 6:38 AM – 5:22 PM · 10h 45m
Nov: 7:18 AM – 4:42 PM · 9h 24m
Dec: 7:38 AM – 4:22 PM · 8h 43m
Daylight Longest: 15h 18m · Shortest: 8h 42m

Nearby Stations

Port Hope, MI April 28 - November 3 Harbor Beach 1 Sse, MI May 2 - October 24 Port Austin Wwtp, MI May 4 - October 26 Bad Axe, MIMay 5 - October 19 Filion 5nnw, MIMay 8 - October 17 Cass City 1 Ssw, MI May 7 - October 10

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview