Frost Dates for Castle Rock 6 North, 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. May 21
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 17
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 27
First Fall Frost September 13

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze May 1
First Fall Hard Freeze September 30
52.53°N, -122.48°W © OpenStreetMap

Growing Season

119 Days May 21 to September 17

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 4b

Learn more

Temperature

10° 30° 50° 70°
20°
High: 28°
Avg: 20°
Low: 13°
Jan
27°
High: 36°
Avg: 27°
Low: 18°
Feb
35°
High: 46°
Avg: 35°
Low: 24°
Mar
44°
High: 57°
Avg: 44°
Low: 31°
Apr
53°
High: 67°
Avg: 53°
Low: 39°
May
60°
High: 73°
Avg: 60°
Low: 46°
Jun
64°
High: 78°
Avg: 64°
Low: 50°
Jul
62°
High: 77°
Avg: 62°
Low: 48°
Aug
54°
High: 68°
Avg: 54°
Low: 41°
Sep
42°
High: 52°
Avg: 42°
Low: 33°
Oct
31°
High: 37°
Avg: 31°
Low: 24°
Nov
22°
High: 28°
Avg: 22°
Low: 15°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 1" 2" 2.5"
1.6"
1.60"
Jan
0.2"
0.20"
Feb
0.2"
0.20"
Mar
0.5"
0.50"
Apr
1.6"
1.60"
May
2.5"
2.50"
Jun
2.0"
2.00"
Jul
1.2"
1.20"
Aug
1.2"
1.20"
Sep
1.3"
1.30"
Oct
1.2"
1.20"
Nov
1.5"
1.50"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h10h12h14h16h17h16h14h12h10h8h7h
Jan: 8:02 AM – 3:58 PM · 7h 56m
Feb: 7:12 AM – 4:48 PM · 9h 36m
Mar: 6:15 AM – 5:45 PM · 11h 31m
Apr: 5:10 AM – 6:50 PM · 13h 40m
May: 4:15 AM – 7:45 PM · 15h 31m
Jun: 3:43 AM – 8:17 PM · 16h 34m
Jul: 3:56 AM – 8:04 PM · 16h 08m
Aug: 4:45 AM – 7:15 PM · 14h 29m
Sep: 5:48 AM – 6:12 PM · 12h 23m
Oct: 6:51 AM – 5:09 PM · 10h 18m
Nov: 7:48 AM – 4:12 PM · 8h 24m
Dec: 8:17 AM – 3:43 PM · 7h 26m
Daylight Longest: 16h 36m · Shortest: 7h 24m

Nearby Stations

Mcleese Lake Fraserview, Canada May 13 - September 20 Williams Lake A, Canada May 25 - September 14 Spokin Lake 4e, Canada June 21 - July 17 Horsefly Lake Gruhs Lake, Canada May 30 - August 27 Barkerville, Canada June 11 - August 19 Hixon, Canada May 24 - September 18

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