Frost Dates for North Perth, ON

Based on data from Glen Allan weather station, 13 miles away

Elevation: 380 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. 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 7
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 16
First Fall Frost October 2

Hard Freeze (−2°C)

Last Spring Hard Freeze April 23
First Fall Hard Freeze October 26
43.73°N, -80.97°W © OpenStreetMap

Growing Season

149 Days May 11 to October 7

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

-15° 0° 15° 30°
-7°
High: -3°C
Avg: -7°C
Low: -10°C
Jan
-6°
High: -2°C
Avg: -6°C
Low: -10°C
Feb
-1°
High: 3°C
Avg: -1°C
Low: -6°C
Mar
6°
High: 11°C
Avg: 6°C
Low: 0°C
Apr
12°
High: 18°C
Avg: 12°C
Low: 7°C
May
18°
High: 23°C
Avg: 18°C
Low: 12°C
Jun
20°
High: 25°C
Avg: 20°C
Low: 15°C
Jul
19°
High: 24°C
Avg: 19°C
Low: 14°C
Aug
15°
High: 20°C
Avg: 15°C
Low: 10°C
Sep
9°
High: 13°C
Avg: 9°C
Low: 4°C
Oct
2°
High: 6°C
Avg: 2°C
Low: -1°C
Nov
-3°
High: 0°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 30 mm 60 mm 90 mm
94 mm
94.0 mm
Jan
71 mm
71.1 mm
Feb
64 mm
63.5 mm
Mar
79 mm
78.7 mm
Apr
89 mm
88.9 mm
May
79 mm
78.7 mm
Jun
97 mm
96.5 mm
Jul
84 mm
83.8 mm
Aug
91 mm
91.4 mm
Sep
89 mm
88.9 mm
Oct
97 mm
96.5 mm
Nov
79 mm
78.7 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10.5h11.5h13h14.5h15h15h14h12.5h11h9.5h9h
Jan: 7:60 AM – 5:05 PM · 9h 05m
Feb: 7:30 AM – 5:45 PM · 10h 16m
Mar: 7:43 AM – 7:22 PM · 11h 38m
Apr: 6:47 AM – 7:60 PM · 13h 13m
May: 6:03 AM – 8:35 PM · 14h 32m
Jun: 5:46 AM – 9:00 PM · 15h 14m
Jul: 5:60 AM – 8:57 PM · 14h 57m
Aug: 6:33 AM – 8:21 PM · 13h 48m
Sep: 7:09 AM – 7:26 PM · 12h 17m
Oct: 7:45 AM – 6:31 PM · 10h 46m
Nov: 7:25 AM – 4:51 PM · 9h 25m
Dec: 7:56 AM – 4:41 PM · 8h 45m
Daylight Eastern Time (ET) Longest: 15h 16m · Shortest: 8h 44m

Nearby Stations

Fergus Moe, ONMay 11 - October 8 Fergus Shand Dam, ON May 6 - October 11 Mount Forest (Aut), ON May 15 - October 9 Stratford Wwtp, ON May 11 - October 11 Roseville, ONMay 9 - October 9 Orangeville Moe, ON May 19 - September 26

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