Frost Dates for Panorama Hills, Canada

Based on data from Calgary Int'L A weather station, 4 miles away

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 12

Hard Freeze (−2°C)

Last Spring Hard Freeze May 8
First Fall Hard Freeze September 29
51.15°N, -114.08°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 4a

Avg. annual minimum: −30 to −25°F (−34 to −32°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

-15° -5° 5° 15° 25°
-8°
High: -2°C
Avg: -8°C
Low: -14°C
Jan
-5°
High: 1°C
Avg: -5°C
Low: -12°C
Feb
-2°
High: 4°C
Avg: -2°C
Low: -8°C
Mar
4°
High: 11°C
Avg: 4°C
Low: -2°C
Apr
9°
High: 16°C
Avg: 9°C
Low: 3°C
May
13°
High: 19°C
Avg: 13°C
Low: 7°C
Jun
17°
High: 23°C
Avg: 17°C
Low: 10°C
Jul
16°
High: 23°C
Avg: 16°C
Low: 9°C
Aug
11°
High: 18°C
Avg: 11°C
Low: 4°C
Sep
5°
High: 11°C
Avg: 5°C
Low: -1°C
Oct
-2°
High: 4°C
Avg: -2°C
Low: -8°C
Nov
-6°
High: 0°C
Avg: -6°C
Low: -12°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 50 mm 100 mm
0 mm
0.0 mm
Jan
0 mm
0.0 mm
Feb
5 mm
5.1 mm
Mar
28 mm
27.9 mm
Apr
51 mm
50.8 mm
May
102 mm
101.6 mm
Jun
71 mm
71.1 mm
Jul
53 mm
53.3 mm
Aug
33 mm
33.0 mm
Sep
5 mm
5.1 mm
Oct
0 mm
0.0 mm
Nov
0 mm
0.0 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h9.5h11.5h13.5h15.5h16.5h16h14.5h12.5h10.5h8.5h7.5h
Jan: 7:55 AM – 4:05 PM · 8h 09m
Feb: 7:08 AM – 4:52 PM · 9h 44m
Mar: 6:14 AM – 5:46 PM · 11h 32m
Apr: 5:13 AM – 6:47 PM · 13h 35m
May: 4:20 AM – 7:40 PM · 15h 20m
Jun: 3:51 AM – 8:09 PM · 16h 18m
Jul: 4:03 AM – 7:57 PM · 15h 54m
Aug: 4:49 AM – 7:11 PM · 14h 22m
Sep: 5:49 AM – 6:11 PM · 12h 22m
Oct: 6:48 AM – 5:12 PM · 10h 23m
Nov: 7:42 AM – 4:18 PM · 8h 36m
Dec: 8:09 AM – 3:51 PM · 7h 41m
Daylight Longest: 16h 20m · Shortest: 7h 40m

Nearby Stations

Calgary Int'L Cs, Canada May 17 - September 23 Cop Upper, Canada May 18 - September 21 Springbank A, Canada June 6 - August 23 Okotoks, Canada May 23 - September 13 Madden, Canada May 26 - September 7 Kananaskis, Canada June 16 - August 15

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