Frost Dates for Herschel Island, Canada

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. June 17
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. August 26
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 June 20
First Fall Frost August 17

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze June 2
First Fall Hard Freeze September 10
69.57°N, -138.92°W © OpenStreetMap

Growing Season

70 Days June 17 to August 26

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

Learn more

Temperature

-20° 0° 20° 40° 60°
-9°
High: -4°
Avg: -9°
Low: -15°
Jan
-10°
High: -5°
Avg: -10°
Low: -16°
Feb
-6°
High: 0°
Avg: -6°
Low: -13°
Mar
8°
High: 14°
Avg: 8°
Low: 2°
Apr
26°
High: 31°
Avg: 26°
Low: 22°
May
40°
High: 45°
Avg: 40°
Low: 34°
Jun
49°
High: 55°
Avg: 49°
Low: 43°
Jul
45°
High: 50°
Avg: 45°
Low: 40°
Aug
37°
High: 41°
Avg: 37°
Low: 33°
Sep
23°
High: 27°
Avg: 23°
Low: 19°
Oct
6°
High: 12°
Avg: 6°
Low: 1°
Nov
-6°
High: -1°
Avg: -6°
Low: -12°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 1" 2" 3" 3.5"
1.1"
1.10"
Jan
1.3"
1.30"
Feb
0.0"
0.00"
Mar
3.5"
3.50"
Apr
0.3"
0.30"
May
0.4"
0.40"
Jun
0.9"
0.90"
Jul
1.1"
1.10"
Aug
0.5"
0.50"
Sep
0.6"
0.60"
Oct
0.0"
0.00"
Nov
0.2"
0.20"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec0h7h11h16h21h24h24h17h13h8h3h0h
Jan: 0h (Polar Night)
Feb: 8:37 AM – 3:23 PM · 6h 45m
Mar: 6:30 AM – 5:30 PM · 10h 59m
Apr: 4:14 AM – 7:46 PM · 15h 31m
May: 1:36 AM – 10:24 PM · 20h 48m
Jun: 24h (Midnight Sun)
Jul: 24h (Midnight Sun)
Aug: 3:15 AM – 8:45 PM · 17h 29m
Sep: 5:36 AM – 6:24 PM · 12h 48m
Oct: 7:48 AM – 4:12 PM · 8h 24m
Nov: 10:35 AM – 1:25 PM · 2h 50m
Dec: 0h (Polar Night)
Daylight Longest: 24h 00m · Shortest: 0h 00m

Nearby Stations

Shingle Point A, Canada June 14 - August 16

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