Frost Dates for Banff Cs, AB

Elevation: 1397 m

Frost Dates

Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. June 15
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. August 16

30% Probability

Only 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 20
First Fall Frost August 5

Hard Freeze (−2°C)

Last Spring Hard Freeze May 28
First Fall Hard Freeze September 9
51.20°N, 115.55°W © OpenStreetMap

Growing Season

62 Days June 15 to August 16

USDA Hardiness Zone

Hardiness 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: −37 to −34°C

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dfc Subarctic

Short, cool summers and long, very cold winters. Growing seasons of 3–4 months require fast-maturing varieties. Root vegetables, potatoes, and cold-hardy greens are the most reliable.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)
Temperature table
Average monthly temperatures (°C)
Month Avg High Avg Temp Avg Low
January-4°-8°-13°
February-1°-7°-13°
March3°-3°-8°
April9°3°-4°
May14°7°0°
June18°11°4°
July23°15°7°
August22°14°6°
September17°9°2°
October9°3°-2°
November1°-4°-8°
December-5°-9°-14°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January3
February3
March10
April13
May38
June61
July23
August41
September41
October23
November5
December8

Sunrise / Sunset

Daylight Mountain Time (MT) Longest: 16h 21m · Shortest: 7h 39m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Mountain Time (MT))
Month Sunrise Sunset Daylight
January8:47 AM4:56 PM8h 08m
February8:05 AM5:48 PM9h 43m
March8:06 AM7:38 PM11h 32m
April6:55 AM8:30 PM13h 35m
May5:58 AM9:19 PM15h 20m
June5:33 AM9:52 PM16h 19m
July5:50 AM9:45 PM15h 55m
August6:35 AM8:57 PM14h 22m
September7:26 AM7:48 PM12h 22m
October8:16 AM6:39 PM10h 23m
November8:10 AM4:45 PM8h 35m
December8:48 AM4:28 PM7h 40m

Nearby Stations

Bow Valley, ABJune 13 - August 9 Nakiska Ridgetop, AB June 23 - July 19 Kananaskis, ABJune 16 - August 15 Yoho Park, BCJune 21 - August 4 Kootenay Np West Gate, BC May 10 - September 25 Springbank A, AB June 6 - August 23

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