Frost Dates for Moosonee Ua, 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. June 18
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. August 26
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 23
First Fall Frost August 10

Hard Freeze (−2°C)

Last Spring Hard Freeze May 30
First Fall Hard Freeze September 29
51.27°N, -80.65°W © OpenStreetMap

Growing Season

69 Days June 18 to August 26

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: -13°C
Avg: -19°C
Low: -25°C
Jan
-17°
High: -11°C
Avg: -17°C
Low: -24°C
Feb
-11°
High: -4°C
Avg: -11°C
Low: -18°C
Mar
-2°
High: 4°C
Avg: -2°C
Low: -8°C
Apr
7°
High: 13°C
Avg: 7°C
Low: 1°C
May
13°
High: 19°C
Avg: 13°C
Low: 6°C
Jun
17°
High: 23°C
Avg: 17°C
Low: 10°C
Jul
16°
High: 22°C
Avg: 16°C
Low: 10°C
Aug
12°
High: 17°C
Avg: 12°C
Low: 6°C
Sep
5°
High: 9°C
Avg: 5°C
Low: 0°C
Oct
-3°
High: 0°C
Avg: -3°C
Low: -7°C
Nov
-13°
High: -9°C
Avg: -13°C
Low: -18°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 30 mm 60 mm 90 mm
23 mm
22.9 mm
Jan
25 mm
25.4 mm
Feb
28 mm
27.9 mm
Mar
43 mm
43.2 mm
Apr
71 mm
71.1 mm
May
66 mm
66.0 mm
Jun
89 mm
88.9 mm
Jul
84 mm
83.8 mm
Aug
89 mm
88.9 mm
Sep
76 mm
76.2 mm
Oct
58 mm
58.4 mm
Nov
41 mm
40.6 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h9.5h11.5h13.5h15.5h16.5h16h14.5h12.5h10.5h8.5h7.5h
Jan: 7:56 AM – 4:04 PM · 8h 08m
Feb: 7:09 AM – 4:51 PM · 9h 43m
Mar: 6:14 AM – 5:46 PM · 11h 32m
Apr: 5:12 AM – 6:48 PM · 13h 35m
May: 4:20 AM – 7:40 PM · 15h 21m
Jun: 3:50 AM – 8:10 PM · 16h 20m
Jul: 4:02 AM – 7:58 PM · 15h 56m
Aug: 4:49 AM – 7:11 PM · 14h 22m
Sep: 5:49 AM – 6:11 PM · 12h 22m
Oct: 6:49 AM – 5:11 PM · 10h 23m
Nov: 7:43 AM – 4:17 PM · 8h 35m
Dec: 8:10 AM – 3:50 PM · 7h 40m
Daylight Longest: 16h 22m · Shortest: 7h 38m

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