Frost Dates for Inuvik A, NT

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 9
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 20
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 14
First Fall Frost August 12

Hard Freeze (−2°C)

Last Spring Hard Freeze May 29
First Fall Hard Freeze September 7
68.30°N, -133.48°W © OpenStreetMap

Growing Season

72 Days June 9 to August 20

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 2a

Avg. annual minimum: −50 to −45°F (−46 to −43°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Dfc Subarctic

Short, cool summers and long, very cold winters. Growing seasons of 3–4 months require fast-maturing varieties. Root vegetables, potatoes, and cold-hardy greens are the most reliable.

Köppen climate map

Temperature

-35° -20° -5° 10°
-26°
High: -22°C
Avg: -26°C
Low: -30°C
Jan
-25°
High: -21°C
Avg: -25°C
Low: -30°C
Feb
-22°
High: -17°C
Avg: -22°C
Low: -27°C
Mar
-11°
High: -5°C
Avg: -11°C
Low: -16°C
Apr
1°
High: 6°C
Avg: 1°C
Low: -4°C
May
12°
High: 18°C
Avg: 12°C
Low: 6°C
Jun
14°
High: 19°C
Avg: 14°C
Low: 9°C
Jul
11°
High: 16°C
Avg: 11°C
Low: 6°C
Aug
4°
High: 8°C
Avg: 4°C
Low: 0°C
Sep
-7°
High: -4°C
Avg: -7°C
Low: -10°C
Oct
-19°
High: -15°C
Avg: -19°C
Low: -23°C
Nov
-24°
High: -20°C
Avg: -24°C
Low: -27°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 10 mm 20 mm 30 mm 40 mm
0 mm
0.0 mm
Jan
3 mm
2.5 mm
Feb
3 mm
2.5 mm
Mar
0 mm
0.0 mm
Apr
5 mm
5.1 mm
May
10 mm
10.2 mm
Jun
30 mm
30.5 mm
Jul
38 mm
38.1 mm
Aug
36 mm
35.6 mm
Sep
5 mm
5.1 mm
Oct
3 mm
2.5 mm
Nov
3 mm
2.5 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec1.5h7h11h15.5h20h24h23h17h12.5h8.5h4h0h
Jan: 11:12 AM – 12:48 PM · 1h 36m
Feb: 8:26 AM – 3:34 PM · 7h 09m
Mar: 6:28 AM – 5:32 PM · 11h 03m
Apr: 4:22 AM – 7:38 PM · 15h 17m
May: 2:05 AM – 9:55 PM · 19h 50m
Jun: 24h (Midnight Sun)
Jul: 12:31 AM – 11:29 PM · 22h 58m
Aug: 3:28 AM – 8:32 PM · 17h 04m
Sep: 5:38 AM – 6:22 PM · 12h 45m
Oct: 7:41 AM – 4:19 PM · 8h 39m
Nov: 10:03 AM – 1:57 PM · 3h 54m
Dec: 0h (Polar Night)
Daylight Longest: 24h 00m · Shortest: 0h 00m

Nearby Stations

Trail Valley, NT June 11 - August 17 Tuktoyaktuk, NT June 17 - September 3

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