Frost Dates for Drumheller East, AB

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 12
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 19
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 17
First Fall Frost September 15

Hard Freeze (−2°C)

Last Spring Hard Freeze May 3
First Fall Hard Freeze October 1
51.45°N, -112.68°W © OpenStreetMap

Growing Season

130 Days May 12 to September 19

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 3b

Avg. annual minimum: −35 to −30°F (−37 to −34°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

-20° -5° 10° 25°
-11°
High: -5°C
Avg: -11°C
Low: -18°C
Jan
-9°
High: -2°C
Avg: -9°C
Low: -16°C
Feb
-2°
High: 4°C
Avg: -2°C
Low: -9°C
Mar
6°
High: 13°C
Avg: 6°C
Low: -2°C
Apr
12°
High: 19°C
Avg: 12°C
Low: 5°C
May
16°
High: 22°C
Avg: 16°C
Low: 9°C
Jun
19°
High: 26°C
Avg: 19°C
Low: 12°C
Jul
18°
High: 26°C
Avg: 18°C
Low: 10°C
Aug
13°
High: 21°C
Avg: 13°C
Low: 5°C
Sep
6°
High: 13°C
Avg: 6°C
Low: -2°C
Oct
-4°
High: 3°C
Avg: -4°C
Low: -10°C
Nov
-10°
High: -4°C
Avg: -10°C
Low: -16°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 20 mm 40 mm 60 mm 80 mm
3 mm
2.5 mm
Jan
0 mm
0.0 mm
Feb
0 mm
0.0 mm
Mar
15 mm
15.2 mm
Apr
33 mm
33.0 mm
May
76 mm
76.2 mm
Jun
56 mm
55.9 mm
Jul
30 mm
30.5 mm
Aug
23 mm
22.9 mm
Sep
8 mm
7.6 mm
Oct
5 mm
5.1 mm
Nov
0 mm
0.0 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h9.5h11.5h13.5h15.5h16.5h16h14.5h12.5h10.5h8.5h7.5h
Jan: 7:57 AM – 4:03 PM · 8h 06m
Feb: 7:09 AM – 4:51 PM · 9h 42m
Mar: 6:14 AM – 5:46 PM · 11h 32m
Apr: 5:12 AM – 6:48 PM · 13h 36m
May: 4:19 AM – 7:41 PM · 15h 22m
Jun: 3:49 AM – 8:11 PM · 16h 22m
Jul: 4:01 AM – 7:59 PM · 15h 57m
Aug: 4:48 AM – 7:12 PM · 14h 23m
Sep: 5:49 AM – 6:11 PM · 12h 22m
Oct: 6:49 AM – 5:11 PM · 10h 22m
Nov: 7:43 AM – 4:17 PM · 8h 33m
Dec: 8:11 AM – 3:49 PM · 7h 38m
Daylight Longest: 16h 24m · Shortest: 7h 36m

Nearby Stations

Sleepy Hollow, AB May 30 - September 1 Hussar Agdm, AB May 16 - September 20 Craigmyle, AB May 25 - September 12 Three Hills, AB May 22 - September 15 Queenstown, AB May 20 - September 18 Coronation Climate, AB May 29 - September 11

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