Frost Dates for Rawson Lake, ON

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 16
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. October 1
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 20
First Fall Frost September 25

Hard Freeze (−2°C)

Last Spring Hard Freeze May 3
First Fall Hard Freeze October 15
49.65°N, -93.72°W © OpenStreetMap

Growing Season

138 Days May 16 to October 1

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°
-15°
High: -11°C
Avg: -15°C
Low: -20°C
Jan
-12°
High: -7°C
Avg: -12°C
Low: -17°C
Feb
-5°
High: 0°C
Avg: -5°C
Low: -10°C
Mar
3°
High: 8°C
Avg: 3°C
Low: -2°C
Apr
11°
High: 16°C
Avg: 11°C
Low: 5°C
May
16°
High: 22°C
Avg: 16°C
Low: 11°C
Jun
19°
High: 24°C
Avg: 19°C
Low: 14°C
Jul
18°
High: 23°C
Avg: 18°C
Low: 13°C
Aug
12°
High: 17°C
Avg: 12°C
Low: 8°C
Sep
5°
High: 8°C
Avg: 5°C
Low: 1°C
Oct
-4°
High: -1°C
Avg: -4°C
Low: -7°C
Nov
-12°
High: -8°C
Avg: -12°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 50 mm 100 mm
18 mm
17.8 mm
Jan
8 mm
7.6 mm
Feb
18 mm
17.8 mm
Mar
30 mm
30.5 mm
Apr
84 mm
83.8 mm
May
107 mm
106.7 mm
Jun
109 mm
109.2 mm
Jul
97 mm
96.5 mm
Aug
99 mm
99.1 mm
Sep
71 mm
71.1 mm
Oct
43 mm
43.2 mm
Nov
15 mm
15.2 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h16h15.5h14h12.5h10.5h9h8h
Jan: 7:49 AM – 4:11 PM · 8h 22m
Feb: 7:05 AM – 4:55 PM · 9h 51m
Mar: 6:13 AM – 5:47 PM · 11h 33m
Apr: 5:15 AM – 6:45 PM · 13h 30m
May: 4:26 AM – 7:34 PM · 15h 09m
Jun: 3:58 AM – 8:02 PM · 16h 04m
Jul: 4:09 AM – 7:51 PM · 15h 41m
Aug: 4:53 AM – 7:07 PM · 14h 14m
Sep: 5:50 AM – 6:10 PM · 12h 21m
Oct: 6:46 AM – 5:14 PM · 10h 28m
Nov: 7:36 AM – 4:24 PM · 8h 47m
Dec: 8:02 AM – 3:58 PM · 7h 56m
Daylight Longest: 16h 06m · Shortest: 7h 54m

Nearby Stations

Kenora A, ONMay 10 - October 2 Fort Frances A, ON May 27 - September 15 Barwick, ONMay 24 - September 20 Ear Falls (Aut), ON May 21 - September 28 Baudette Intl AP, MN May 15 - September 26 Baudette, MNMay 14 - September 26

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