Frost Dates for Stratford Wwtp, 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 11
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 11
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 17
First Fall Frost October 6

Hard Freeze (−2°C)

Last Spring Hard Freeze April 24
First Fall Hard Freeze October 25
43.37°N, -81.00°W © OpenStreetMap

Growing Season

153 Days May 11 to October 11

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 5b

Avg. annual minimum: −15 to −10°F (−26 to −23°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° 0° 10° 20° 30°
-6°
High: -3°C
Avg: -6°C
Low: -9°C
Jan
-5°
High: -1°C
Avg: -5°C
Low: -9°C
Feb
-1°
High: 4°C
Avg: -1°C
Low: -5°C
Mar
6°
High: 11°C
Avg: 6°C
Low: 1°C
Apr
13°
High: 19°C
Avg: 13°C
Low: 7°C
May
18°
High: 24°C
Avg: 18°C
Low: 13°C
Jun
20°
High: 26°C
Avg: 20°C
Low: 15°C
Jul
19°
High: 25°C
Avg: 19°C
Low: 14°C
Aug
16°
High: 21°C
Avg: 16°C
Low: 10°C
Sep
9°
High: 14°C
Avg: 9°C
Low: 5°C
Oct
3°
High: 7°C
Avg: 3°C
Low: 0°C
Nov
-2°
High: 1°C
Avg: -2°C
Low: -5°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
99 mm
99.1 mm
Jan
71 mm
71.1 mm
Feb
61 mm
61.0 mm
Mar
76 mm
76.2 mm
Apr
91 mm
91.4 mm
May
81 mm
81.3 mm
Jun
97 mm
96.5 mm
Jul
79 mm
78.7 mm
Aug
89 mm
88.9 mm
Sep
81 mm
81.3 mm
Oct
99 mm
99.1 mm
Nov
104 mm
104.1 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10.5h11.5h13h14.5h15h15h14h12.5h11h9.5h9h
Jan: 7:26 AM – 4:34 PM · 9h 07m
Feb: 6:52 AM – 5:08 PM · 10h 17m
Mar: 6:11 AM – 5:49 PM · 11h 39m
Apr: 5:24 AM – 6:36 PM · 13h 12m
May: 4:45 AM – 7:15 PM · 14h 30m
Jun: 4:24 AM – 7:36 PM · 15h 12m
Jul: 4:33 AM – 7:27 PM · 14h 55m
Aug: 5:06 AM – 6:54 PM · 13h 47m
Sep: 5:52 AM – 6:08 PM · 12h 17m
Oct: 6:37 AM – 5:23 PM · 10h 46m
Nov: 7:17 AM – 4:43 PM · 9h 27m
Dec: 7:36 AM – 4:24 PM · 8h 48m
Daylight Longest: 15h 13m · Shortest: 8h 47m

Nearby Stations

Woodstock, ONMay 8 - October 7 Glen Allan, ONMay 11 - October 7 Foldens, ONMay 2 - October 15 Roseville, ONMay 9 - October 9 Tillsonburg North, ON May 8 - October 11 Fergus Moe, ONMay 11 - October 8

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