Frost Dates for Hour Lake, YT

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 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. August 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 June 21
First Fall Frost July 22

Hard Freeze (−2°C)

Last Spring Hard Freeze June 3
First Fall Hard Freeze August 30
61.18°N, -129.13°W © OpenStreetMap

Growing Season

46 Days June 16 to August 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 1b

Avg. annual minimum: −55 to −50°F (−48 to −46°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

-30° -15° 0° 15°
-21°
High: -15°C
Avg: -21°C
Low: -27°C
Jan
-16°
High: -9°C
Avg: -16°C
Low: -23°C
Feb
-12°
High: -3°C
Avg: -12°C
Low: -20°C
Mar
-2°
High: 6°C
Avg: -2°C
Low: -9°C
Apr
6°
High: 13°C
Avg: 6°C
Low: -1°C
May
12°
High: 19°C
Avg: 12°C
Low: 4°C
Jun
14°
High: 21°C
Avg: 14°C
Low: 6°C
Jul
11°
High: 18°C
Avg: 11°C
Low: 5°C
Aug
6°
High: 12°C
Avg: 6°C
Low: 1°C
Sep
-1°
High: 3°C
Avg: -1°C
Low: -5°C
Oct
-14°
High: -9°C
Avg: -14°C
Low: -19°C
Nov
-18°
High: -13°C
Avg: -18°C
Low: -24°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
38 mm
38.1 mm
Jan
28 mm
27.9 mm
Feb
18 mm
17.8 mm
Mar
0 mm
0.0 mm
Apr
38 mm
38.1 mm
May
71 mm
71.1 mm
Jun
84 mm
83.8 mm
Jul
74 mm
73.7 mm
Aug
61 mm
61.0 mm
Sep
38 mm
38.1 mm
Oct
53 mm
53.3 mm
Nov
56 mm
55.9 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec6h8.5h11.5h14.5h17h19h18h15.5h12.5h9.5h7h5h
Jan: 9:00 AM – 2:60 PM · 5h 60m
Feb: 7:42 AM – 4:18 PM · 8h 37m
Mar: 6:21 AM – 5:39 PM · 11h 19m
Apr: 4:50 AM – 7:10 PM · 14h 20m
May: 3:27 AM – 8:33 PM · 17h 06m
Jun: 2:34 AM – 9:26 PM · 18h 53m
Jul: 2:57 AM – 9:03 PM · 18h 06m
Aug: 4:14 AM – 7:46 PM · 15h 32m
Sep: 5:44 AM – 6:16 PM · 12h 32m
Oct: 7:12 AM – 4:48 PM · 9h 37m
Nov: 8:37 AM – 3:23 PM · 6h 47m
Dec: 9:27 AM – 2:33 PM · 5h 07m
Daylight Longest: 18h 56m · Shortest: 5h 04m

Nearby Stations

Watson Lake A, YT May 28 - September 6

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