Frost Dates for Northward, ON

Based on data from Roseville weather station, 8 miles away

Elevation: 314 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 9
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 9
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 14
First Fall Frost October 2

Hard Freeze (−2°C)

Last Spring Hard Freeze April 21
First Fall Hard Freeze October 23
43.47°N, -80.48°W © OpenStreetMap

Growing Season

153 Days May 9 to October 9

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: -10°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: 12°C
Avg: 6°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: 26°C
Avg: 21°C
Low: 15°C
Jul
20°
High: 25°C
Avg: 20°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: -1°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 30 mm 60 mm 90 mm
74 mm
73.7 mm
Jan
58 mm
58.4 mm
Feb
61 mm
61.0 mm
Mar
86 mm
86.4 mm
Apr
76 mm
76.2 mm
May
84 mm
83.8 mm
Jun
97 mm
96.5 mm
Jul
81 mm
81.3 mm
Aug
86 mm
86.4 mm
Sep
94 mm
94.0 mm
Oct
84 mm
83.8 mm
Nov
71 mm
71.1 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10.5h11.5h13h14.5h15h15h14h12.5h11h9.5h9h
Jan: 7:57 AM – 5:05 PM · 9h 08m
Feb: 7:28 AM – 5:45 PM · 10h 17m
Mar: 7:42 AM – 7:21 PM · 11h 39m
Apr: 6:46 AM – 7:58 PM · 13h 12m
May: 6:03 AM – 8:33 PM · 14h 30m
Jun: 5:46 AM – 8:58 PM · 15h 12m
Jul: 6:00 AM – 8:55 PM · 14h 55m
Aug: 6:32 AM – 8:20 PM · 13h 47m
Sep: 7:08 AM – 7:25 PM · 12h 17m
Oct: 7:44 AM – 6:30 PM · 10h 47m
Nov: 7:24 AM – 4:50 PM · 9h 27m
Dec: 7:54 AM – 4:42 PM · 8h 48m
Daylight Eastern Time (ET) Longest: 15h 13m · Shortest: 8h 47m

Nearby Stations

Woodstock, ONMay 8 - October 7 Fergus Moe, ONMay 11 - October 8 Glen Allan, ONMay 11 - October 7 Stratford Wwtp, ON May 11 - October 11 Fergus Shand Dam, ON May 6 - October 11 Hamilton Rbg Cs, ON May 4 - October 15

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