Frost Dates for Ohsweken, Canada

Based on data from Hamilton A weather station, 12 miles away

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 1
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 13
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 6
First Fall Frost October 7

Hard Freeze (−2°C)

Last Spring Hard Freeze April 16
First Fall Hard Freeze October 25
43.07°N, -80.12°W © OpenStreetMap

Growing Season

165 Days May 1 to October 13

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° 0° 10° 20° 30°
-5°
High: -2°C
Avg: -5°C
Low: -9°C
Jan
-5°
High: -1°C
Avg: -5°C
Low: -9°C
Feb
0°
High: 4°C
Avg: 0°C
Low: -5°C
Mar
7°
High: 12°C
Avg: 7°C
Low: 1°C
Apr
13°
High: 19°C
Avg: 13°C
Low: 7°C
May
19°
High: 24°C
Avg: 19°C
Low: 13°C
Jun
21°
High: 27°C
Avg: 21°C
Low: 15°C
Jul
20°
High: 26°C
Avg: 20°C
Low: 15°C
Aug
16°
High: 22°C
Avg: 16°C
Low: 10°C
Sep
10°
High: 14°C
Avg: 10°C
Low: 5°C
Oct
4°
High: 8°C
Avg: 4°C
Low: 0°C
Nov
-2°
High: 1°C
Avg: -2°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 30 mm 60 mm 90 mm
79 mm
78.7 mm
Jan
61 mm
61.0 mm
Feb
74 mm
73.7 mm
Mar
97 mm
96.5 mm
Apr
79 mm
78.7 mm
May
79 mm
78.7 mm
Jun
97 mm
96.5 mm
Jul
69 mm
68.6 mm
Aug
74 mm
73.7 mm
Sep
74 mm
73.7 mm
Oct
81 mm
81.3 mm
Nov
74 mm
73.7 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10.5h11.5h13h14.5h15h15h14h12.5h11h9.5h9h
Jan: 7:26 AM – 4:34 PM · 9h 09m
Feb: 6:51 AM – 5:09 PM · 10h 18m
Mar: 6:11 AM – 5:49 PM · 11h 39m
Apr: 5:24 AM – 6:36 PM · 13h 12m
May: 4:46 AM – 7:14 PM · 14h 29m
Jun: 4:25 AM – 7:35 PM · 15h 11m
Jul: 4:33 AM – 7:27 PM · 14h 54m
Aug: 5:07 AM – 6:53 PM · 13h 46m
Sep: 5:52 AM – 6:08 PM · 12h 17m
Oct: 6:37 AM – 5:23 PM · 10h 47m
Nov: 7:16 AM – 4:44 PM · 9h 28m
Dec: 7:35 AM – 4:25 PM · 8h 49m
Daylight Longest: 15h 12m · Shortest: 8h 48m

Nearby Stations

Hamilton Rbg Cs, ON May 4 - October 15 Burlington Piers (Aut), ON April 9 - November 15 Vineland, ONApril 20 - November 2 Roseville, ONMay 9 - October 9 Ridgeville, ON April 26 - October 27 Georgetown Wwtp, ON May 19 - October 1

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