Frost Dates for Swift Current, NL

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 15
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 21
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 21
First Fall Frost September 9

Hard Freeze (−2°C)

Last Spring Hard Freeze May 19
First Fall Hard Freeze October 18
47.88°N, -54.22°W © OpenStreetMap

Growing Season

98 Days June 15 to September 21

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 6a

Avg. annual minimum: −10 to −5°F (−23 to −21°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°
-6°
High: -1°C
Avg: -6°C
Low: -10°C
Jan
-5°
High: -1°C
Avg: -5°C
Low: -10°C
Feb
-2°
High: 2°C
Avg: -2°C
Low: -6°C
Mar
3°
High: 7°C
Avg: 3°C
Low: -1°C
Apr
7°
High: 12°C
Avg: 7°C
Low: 2°C
May
11°
High: 17°C
Avg: 11°C
Low: 5°C
Jun
16°
High: 21°C
Avg: 16°C
Low: 10°C
Jul
17°
High: 22°C
Avg: 17°C
Low: 12°C
Aug
13°
High: 18°C
Avg: 13°C
Low: 8°C
Sep
8°
High: 12°C
Avg: 8°C
Low: 4°C
Oct
3°
High: 6°C
Avg: 3°C
Low: -1°C
Nov
-1°
High: 2°C
Avg: -1°C
Low: -5°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 150 mm
150 mm
149.9 mm
Jan
127 mm
127.0 mm
Feb
124 mm
124.5 mm
Mar
107 mm
106.7 mm
Apr
109 mm
109.2 mm
May
94 mm
94.0 mm
Jun
107 mm
106.7 mm
Jul
109 mm
109.2 mm
Aug
135 mm
134.6 mm
Sep
165 mm
165.1 mm
Oct
147 mm
147.3 mm
Nov
157 mm
157.5 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h16h15.5h14h12.5h10.5h9h8h
Jan: 7:42 AM – 4:18 PM · 8h 36m
Feb: 7:01 AM – 4:59 PM · 9h 59m
Mar: 6:12 AM – 5:48 PM · 11h 35m
Apr: 5:18 AM – 6:42 PM · 13h 25m
May: 4:32 AM – 7:28 PM · 14h 57m
Jun: 4:06 AM – 7:54 PM · 15h 48m
Jul: 4:17 AM – 7:43 PM · 15h 27m
Aug: 4:57 AM – 7:03 PM · 14h 06m
Sep: 5:50 AM – 6:10 PM · 12h 20m
Oct: 6:43 AM – 5:17 PM · 10h 34m
Nov: 7:30 AM – 4:30 PM · 8h 59m
Dec: 7:54 AM – 4:06 PM · 8h 12m
Daylight Longest: 15h 49m · Shortest: 8h 11m

Nearby Stations

Goobies, NLJune 12 - September 2 Lethbridge, NL June 15 - September 2 Argentia (Aut), NL May 4 - November 8 Whitbourne, NL June 9 - September 23 Butlerville, NL June 13 - September 21 Terra Nova Nat Park Cs, NL May 27 - October 11

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