Frost Dates for Macmillan Pass, 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 18
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 6
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 23
First Fall Frost July 27

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze June 1
First Fall Hard Freeze August 22
63.25°N, -130.03°W © OpenStreetMap

Growing Season

49 Days June 18 to August 6

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

-10° 10° 30° 50° 70°
0°
High: 7°
Avg: 0°
Low: -7°
Jan
1°
High: 8°
Avg: 1°
Low: -6°
Feb
2°
High: 10°
Avg: 2°
Low: -6°
Mar
18°
High: 26°
Avg: 18°
Low: 9°
Apr
35°
High: 44°
Avg: 35°
Low: 27°
May
48°
High: 59°
Avg: 48°
Low: 38°
Jun
51°
High: 61°
Avg: 51°
Low: 41°
Jul
47°
High: 57°
Avg: 47°
Low: 38°
Aug
37°
High: 44°
Avg: 37°
Low: 29°
Sep
21°
High: 28°
Avg: 21°
Low: 15°
Oct
5°
High: 11°
Avg: 5°
Low: -1°
Nov
1°
High: 8°
Avg: 1°
Low: -5°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 1" 2" 3" 3.8"
2.3"
2.30"
Jan
1.2"
1.20"
Feb
1.6"
1.60"
Mar
1.9"
1.90"
Apr
0.7"
0.70"
May
3.1"
3.10"
Jun
3.8"
3.80"
Jul
2.7"
2.70"
Aug
2.2"
2.20"
Sep
2.8"
2.80"
Oct
3.4"
3.40"
Nov
3.2"
3.20"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec5h8h11h15h18h20h19h16h13h9h6h4h
Jan: 9:22 AM – 2:38 PM · 5h 16m
Feb: 7:52 AM – 4:08 PM · 8h 16m
Mar: 6:22 AM – 5:38 PM · 11h 15m
Apr: 4:43 AM – 7:17 PM · 14h 34m
May: 3:10 AM – 8:50 PM · 17h 40m
Jun: 2:05 AM – 9:55 PM · 19h 50m
Jul: 2:34 AM – 9:26 PM · 18h 52m
Aug: 4:04 AM – 7:56 PM · 15h 53m
Sep: 5:42 AM – 6:18 PM · 12h 35m
Oct: 7:18 AM – 4:42 PM · 9h 23m
Nov: 8:54 AM – 3:06 PM · 6h 12m
Dec: 9:55 AM – 2:05 PM · 4h 09m
Daylight Longest: 19h 55m · Shortest: 4h 05m

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview