Frost Dates for St. Paul, Canada

Based on data from Andrew weather station, 39 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 20
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 13
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 24
First Fall Frost September 9

Hard Freeze (−2°C)

Last Spring Hard Freeze May 3
First Fall Hard Freeze September 26
53.98°N, -111.29°W © OpenStreetMap

Growing Season

116 Days May 20 to September 13

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

Avg. annual minimum: −40 to −35°F (−40 to −37°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°
-14°
High: -8°C
Avg: -14°C
Low: -19°C
Jan
-11°
High: -5°C
Avg: -11°C
Low: -16°C
Feb
-5°
High: 0°C
Avg: -5°C
Low: -11°C
Mar
4°
High: 11°C
Avg: 4°C
Low: -2°C
Apr
11°
High: 18°C
Avg: 11°C
Low: 4°C
May
15°
High: 21°C
Avg: 15°C
Low: 8°C
Jun
17°
High: 24°C
Avg: 17°C
Low: 11°C
Jul
16°
High: 22°C
Avg: 16°C
Low: 9°C
Aug
10°
High: 17°C
Avg: 10°C
Low: 4°C
Sep
3°
High: 9°C
Avg: 3°C
Low: -2°C
Oct
-5°
High: -1°C
Avg: -5°C
Low: -10°C
Nov
-12°
High: -7°C
Avg: -12°C
Low: -17°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
0 mm
0.0 mm
Jan
0 mm
0.0 mm
Feb
8 mm
7.6 mm
Mar
18 mm
17.8 mm
Apr
33 mm
33.0 mm
May
76 mm
76.2 mm
Jun
76 mm
76.2 mm
Jul
64 mm
63.5 mm
Aug
33 mm
33.0 mm
Sep
5 mm
5.1 mm
Oct
5 mm
5.1 mm
Nov
0 mm
0.0 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec7.5h9.5h11.5h14h15.5h17h16.5h14.5h12.5h10h8h7h
Jan: 8:10 AM – 3:50 PM · 7h 41m
Feb: 7:16 AM – 4:44 PM · 9h 28m
Mar: 6:16 AM – 5:44 PM · 11h 29m
Apr: 5:07 AM – 6:53 PM · 13h 46m
May: 4:08 AM – 7:52 PM · 15h 44m
Jun: 3:34 AM – 8:26 PM · 16h 51m
Jul: 3:48 AM – 8:12 PM · 16h 23m
Aug: 4:41 AM – 7:19 PM · 14h 38m
Sep: 5:48 AM – 6:12 PM · 12h 24m
Oct: 6:54 AM – 5:06 PM · 10h 12m
Nov: 7:54 AM – 4:06 PM · 8h 11m
Dec: 8:26 AM – 3:34 PM · 7h 08m
Daylight Longest: 16h 53m · Shortest: 7h 07m

Nearby Stations

Elk Island Nat Park, AB May 16 - September 20 Vegreville, AB May 19 - September 11 Tofield North, AB May 25 - September 16 Rich Lake Agdm, AB May 28 - September 10 Fort Saskatchewan, AB May 21 - September 17 Ranfurly 2nw, AB May 18 - September 17

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