Frost Dates for Tecumseh, ON

Based on data from Windsor Riverside weather station, 3 miles away

Elevation: 180 m

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 23
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 27
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 22

Hard Freeze (−2°C)

Last Spring Hard Freeze April 8
First Fall Hard Freeze November 12
42.32°N, -82.88°W © OpenStreetMap

Growing Season

187 Days April 23 to October 27

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

Avg. annual minimum: −5 to 0°F (−21 to −18°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

-10° 0° 10° 20° 30°
-3°
High: 0°C
Avg: -3°C
Low: -6°C
Jan
-2°
High: 2°C
Avg: -2°C
Low: -6°C
Feb
3°
High: 8°C
Avg: 3°C
Low: -2°C
Mar
9°
High: 15°C
Avg: 9°C
Low: 4°C
Apr
16°
High: 21°C
Avg: 16°C
Low: 10°C
May
22°
High: 27°C
Avg: 22°C
Low: 16°C
Jun
24°
High: 29°C
Avg: 24°C
Low: 18°C
Jul
23°
High: 28°C
Avg: 23°C
Low: 18°C
Aug
19°
High: 24°C
Avg: 19°C
Low: 14°C
Sep
12°
High: 17°C
Avg: 12°C
Low: 8°C
Oct
6°
High: 10°C
Avg: 6°C
Low: 2°C
Nov
0°
High: 3°C
Avg: 0°C
Low: -3°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 30 mm 60 mm 90 mm
76 mm
76.2 mm
Jan
61 mm
61.0 mm
Feb
58 mm
58.4 mm
Mar
89 mm
88.9 mm
Apr
97 mm
96.5 mm
May
81 mm
81.3 mm
Jun
86 mm
86.4 mm
Jul
89 mm
88.9 mm
Aug
91 mm
91.4 mm
Sep
61 mm
61.0 mm
Oct
66 mm
66.0 mm
Nov
71 mm
71.1 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10.5h11.5h13h14.5h15h15h13.5h12.5h11h9.5h9h
Jan: 8:04 AM – 5:18 PM · 9h 14m
Feb: 7:36 AM – 5:57 PM · 10h 21m
Mar: 7:52 AM – 7:31 PM · 11h 39m
Apr: 6:57 AM – 8:07 PM · 13h 10m
May: 6:16 AM – 8:40 PM · 14h 24m
Jun: 5:59 AM – 9:04 PM · 15h 05m
Jul: 6:13 AM – 9:02 PM · 14h 48m
Aug: 6:44 AM – 8:28 PM · 13h 43m
Sep: 7:18 AM – 7:34 PM · 12h 16m
Oct: 7:52 AM – 6:41 PM · 10h 49m
Nov: 7:31 AM – 5:03 PM · 9h 32m
Dec: 8:00 AM – 4:55 PM · 8h 55m
Daylight Eastern Time (ET) Longest: 15h 06m · Shortest: 8h 54m

Nearby Stations

Windsor A, ON April 16 - November 1 Grosse Pointe Farms, MI April 29 - October 22 Detroit City AP, MI April 21 - October 31 Dearborn #2, MI April 27 - October 25 Dearborn, MIMay 1 - October 15 Amherstburg, ON April 29 - October 22

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