Frost Dates for Tara, ON

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 17
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. September 30
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 24
First Fall Frost September 25

Hard Freeze (−2°C)

Last Spring Hard Freeze April 26
First Fall Hard Freeze October 15
44.52°N, -81.15°W © OpenStreetMap

Growing Season

136 Days May 17 to September 30

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.

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

-15° 0° 15° 30°
-6°
High: -3°C
Avg: -6°C
Low: -10°C
Jan
-6°
High: -1°C
Avg: -6°C
Low: -10°C
Feb
-2°
High: 3°C
Avg: -2°C
Low: -6°C
Mar
6°
High: 11°C
Avg: 6°C
Low: 0°C
Apr
12°
High: 18°C
Avg: 12°C
Low: 6°C
May
17°
High: 23°C
Avg: 17°C
Low: 11°C
Jun
19°
High: 25°C
Avg: 19°C
Low: 13°C
Jul
19°
High: 25°C
Avg: 19°C
Low: 13°C
Aug
15°
High: 21°C
Avg: 15°C
Low: 9°C
Sep
9°
High: 13°C
Avg: 9°C
Low: 4°C
Oct
3°
High: 6°C
Avg: 3°C
Low: 0°C
Nov
-3°
High: 1°C
Avg: -3°C
Low: -6°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 50 mm 100 mm 150 mm 200 mm
188 mm
188.0 mm
Jan
122 mm
121.9 mm
Feb
91 mm
91.4 mm
Mar
86 mm
86.4 mm
Apr
94 mm
94.0 mm
May
74 mm
73.7 mm
Jun
81 mm
81.3 mm
Jul
76 mm
76.2 mm
Aug
99 mm
99.1 mm
Sep
104 mm
104.1 mm
Oct
142 mm
142.2 mm
Nov
160 mm
160.0 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h14.5h15.5h15h14h12.5h10.5h9.5h8.5h
Jan: 7:30 AM – 4:30 PM · 8h 60m
Feb: 6:54 AM – 5:06 PM · 10h 13m
Mar: 6:11 AM – 5:49 PM · 11h 38m
Apr: 5:22 AM – 6:38 PM · 13h 15m
May: 4:42 AM – 7:18 PM · 14h 36m
Jun: 4:20 AM – 7:40 PM · 15h 21m
Jul: 4:29 AM – 7:31 PM · 15h 02m
Aug: 5:04 AM – 6:56 PM · 13h 52m
Sep: 5:51 AM – 6:09 PM · 12h 17m
Oct: 6:38 AM – 5:22 PM · 10h 43m
Nov: 7:20 AM – 4:40 PM · 9h 20m
Dec: 7:40 AM – 4:20 PM · 8h 39m
Daylight Longest: 15h 22m · Shortest: 8h 38m

Nearby Stations

Chatsworth, ON May 24 - September 26 Wiarton A, ONMay 11 - October 12 Kincardine, ONMay 13 - October 16 Mount Forest (Aut), ON May 15 - October 9 Collingwood, ON April 30 - October 27 Goderich, ONMay 9 - October 21

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