Frost Dates for Rocky Mtn House (Aut), 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 8
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 23
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 15
First Fall Frost August 13

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze May 21
First Fall Hard Freeze September 18
52.42°N, -114.92°W © OpenStreetMap

Growing Season

76 Days June 8 to August 23

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° 20° 50° 80°
12°
High: 24°
Avg: 12°
Low: 0°
Jan
15°
High: 28°
Avg: 15°
Low: 2°
Feb
22°
High: 34°
Avg: 22°
Low: 11°
Mar
36°
High: 48°
Avg: 36°
Low: 24°
Apr
47°
High: 60°
Avg: 47°
Low: 34°
May
54°
High: 66°
Avg: 54°
Low: 42°
Jun
59°
High: 72°
Avg: 59°
Low: 46°
Jul
57°
High: 70°
Avg: 57°
Low: 44°
Aug
48°
High: 62°
Avg: 48°
Low: 35°
Sep
37°
High: 50°
Avg: 37°
Low: 25°
Oct
23°
High: 34°
Avg: 23°
Low: 12°
Nov
13°
High: 25°
Avg: 13°
Low: 1°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 4.2"
0.1"
0.10"
Jan
0.0"
0.00"
Feb
0.1"
0.10"
Mar
0.4"
0.40"
Apr
2.1"
2.10"
May
4.2"
4.20"
Jun
3.7"
3.70"
Jul
2.6"
2.60"
Aug
2.1"
2.10"
Sep
0.5"
0.50"
Oct
0.1"
0.10"
Nov
0.1"
0.10"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h10h12h14h15h17h16h14h12h10h8h7h
Jan: 8:02 AM – 3:58 PM · 7h 57m
Feb: 7:11 AM – 4:49 PM · 9h 37m
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 30m
Jun: 3:44 AM – 8:16 PM · 16h 32m
Jul: 3:57 AM – 8:03 PM · 16h 07m
Aug: 4:46 AM – 7:14 PM · 14h 29m
Sep: 5:48 AM – 6:12 PM · 12h 23m
Oct: 6:51 AM – 5:09 PM · 10h 18m
Nov: 7:47 AM – 4:13 PM · 8h 25m
Dec: 8:16 AM – 3:44 PM · 7h 27m
Daylight Longest: 16h 34m · Shortest: 7h 26m

Nearby Stations

Eckville South, Canada May 22 - September 12 Sundre A, Canada June 9 - August 25 Red Deer A, Canada May 23 - September 12 Dakota West, Canada May 26 - September 14 Red Deer, Canada May 18 - September 19 Lacombe Cda 2, Canada May 24 - September 15

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