Frost Dates for Haileybury, ON

Based on data from Kirkland Lake Cs weather station, 51 miles away

Elevation: 218 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 24
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 28
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 28
First Fall Frost September 23

Hard Freeze (−2°C)

Last Spring Hard Freeze May 13
First Fall Hard Freeze October 16
47.45°N, -79.64°W © OpenStreetMap

Growing Season

127 Days May 24 to September 28

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 3a

Avg. annual minimum: −40 to −35°F (−40 to −37°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

-25° -10° 5° 20°
-15°
High: -9°C
Avg: -15°C
Low: -21°C
Jan
-14°
High: -7°C
Avg: -14°C
Low: -21°C
Feb
-8°
High: 0°C
Avg: -8°C
Low: -15°C
Mar
1°
High: 7°C
Avg: 1°C
Low: -5°C
Apr
10°
High: 16°C
Avg: 10°C
Low: 4°C
May
16°
High: 22°C
Avg: 16°C
Low: 10°C
Jun
19°
High: 24°C
Avg: 19°C
Low: 13°C
Jul
17°
High: 22°C
Avg: 17°C
Low: 12°C
Aug
13°
High: 18°C
Avg: 13°C
Low: 8°C
Sep
5°
High: 9°C
Avg: 5°C
Low: 1°C
Oct
-2°
High: 1°C
Avg: -2°C
Low: -6°C
Nov
-11°
High: -6°C
Avg: -11°C
Low: -15°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
30 mm
30.5 mm
Jan
25 mm
25.4 mm
Feb
36 mm
35.6 mm
Mar
61 mm
61.0 mm
Apr
66 mm
66.0 mm
May
81 mm
81.3 mm
Jun
84 mm
83.8 mm
Jul
94 mm
94.0 mm
Aug
94 mm
94.0 mm
Sep
84 mm
83.8 mm
Oct
56 mm
55.9 mm
Nov
48 mm
48.3 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h16h15.5h14h12.5h10.5h9h8h
Jan: 8:12 AM – 4:46 PM · 8h 34m
Feb: 7:36 AM – 5:33 PM · 9h 58m
Mar: 7:42 AM – 7:17 PM · 11h 35m
Apr: 6:38 AM – 8:03 PM · 13h 25m
May: 5:47 AM – 8:46 PM · 14h 59m
Jun: 5:25 AM – 9:15 PM · 15h 50m
Jul: 5:41 AM – 9:10 PM · 15h 29m
Aug: 6:21 AM – 8:28 PM · 14h 07m
Sep: 7:05 AM – 7:24 PM · 12h 20m
Oct: 7:49 AM – 6:22 PM · 10h 33m
Nov: 7:36 AM – 4:34 PM · 8h 58m
Dec: 8:11 AM – 4:21 PM · 8h 10m
Daylight Eastern Time (ET) Longest: 15h 52m · Shortest: 8h 08m

Nearby Stations

Rouyn, QCMay 24 - September 26 Mont Brun, QC June 11 - September 3 Lac Berry, QCJune 18 - August 19

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