Frost Dates for Flin Flon, MB

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 25
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 26
First Fall Frost September 20

Hard Freeze (−2°C)

Last Spring Hard Freeze May 13
First Fall Hard Freeze October 8
54.68°N, -101.68°W © OpenStreetMap

Growing Season

127 Days May 21 to September 25

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

-25° -10° 5° 20°
-19°
High: -15°C
Avg: -19°C
Low: -24°C
Jan
-17°
High: -11°C
Avg: -17°C
Low: -23°C
Feb
-10°
High: -3°C
Avg: -10°C
Low: -17°C
Mar
0°
High: 6°C
Avg: 0°C
Low: -7°C
Apr
8°
High: 14°C
Avg: 8°C
Low: 2°C
May
15°
High: 20°C
Avg: 15°C
Low: 10°C
Jun
19°
High: 24°C
Avg: 19°C
Low: 13°C
Jul
17°
High: 22°C
Avg: 17°C
Low: 12°C
Aug
11°
High: 15°C
Avg: 11°C
Low: 6°C
Sep
3°
High: 6°C
Avg: 3°C
Low: -1°C
Oct
-8°
High: -4°C
Avg: -8°C
Low: -11°C
Nov
-16°
High: -12°C
Avg: -16°C
Low: -21°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
13 mm
12.7 mm
Jan
0 mm
0.0 mm
Feb
0 mm
0.0 mm
Mar
15 mm
15.2 mm
Apr
28 mm
27.9 mm
May
79 mm
78.7 mm
Jun
102 mm
101.6 mm
Jul
51 mm
50.8 mm
Aug
58 mm
58.4 mm
Sep
15 mm
15.2 mm
Oct
8 mm
7.6 mm
Nov
5 mm
5.1 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec7.5h9.5h11.5h14h16h17h16.5h14.5h12.5h10h8h7h
Jan: 8:13 AM – 3:47 PM · 7h 33m
Feb: 7:18 AM – 4:42 PM · 9h 24m
Mar: 6:16 AM – 5:44 PM · 11h 28m
Apr: 5:06 AM – 6:54 PM · 13h 48m
May: 4:05 AM – 7:55 PM · 15h 50m
Jun: 3:30 AM – 8:30 PM · 16h 60m
Jul: 3:45 AM – 8:15 PM · 16h 31m
Aug: 4:39 AM – 7:21 PM · 14h 42m
Sep: 5:47 AM – 6:13 PM · 12h 25m
Oct: 6:55 AM – 5:05 PM · 10h 10m
Nov: 7:57 AM – 4:03 PM · 8h 05m
Dec: 8:30 AM – 3:30 PM · 6h 60m
Daylight Longest: 17h 02m · Shortest: 6h 58m

Nearby Stations

Flin Flon A, MB May 22 - September 23 Flin Flon, MB May 20 - September 25 The Pas A, MB May 24 - September 22

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