Frost Dates for Watson Lake, YT

Based on data from Watson Lake A weather station, 5 miles away

Elevation: 678 m

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 28
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 6
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 1
First Fall Frost September 1

Hard Freeze (−2°C)

Last Spring Hard Freeze May 15
First Fall Hard Freeze September 20
60.06°N, -128.71°W © OpenStreetMap

Growing Season

101 Days May 28 to September 6

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°
-22°
High: -17°C
Avg: -22°C
Low: -27°C
Jan
-16°
High: -10°C
Avg: -16°C
Low: -23°C
Feb
-10°
High: -3°C
Avg: -10°C
Low: -18°C
Mar
0°
High: 7°C
Avg: 0°C
Low: -7°C
Apr
8°
High: 14°C
Avg: 8°C
Low: 1°C
May
14°
High: 20°C
Avg: 14°C
Low: 7°C
Jun
15°
High: 21°C
Avg: 15°C
Low: 9°C
Jul
13°
High: 19°C
Avg: 13°C
Low: 7°C
Aug
8°
High: 13°C
Avg: 8°C
Low: 3°C
Sep
0°
High: 4°C
Avg: 0°C
Low: -5°C
Oct
-14°
High: -10°C
Avg: -14°C
Low: -18°C
Nov
-20°
High: -16°C
Avg: -20°C
Low: -25°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 20 mm 40 mm 60 mm
20 mm
20.3 mm
Jan
10 mm
10.2 mm
Feb
0 mm
0.0 mm
Mar
3 mm
2.5 mm
Apr
18 mm
17.8 mm
May
53 mm
53.3 mm
Jun
53 mm
53.3 mm
Jul
46 mm
45.7 mm
Aug
48 mm
48.3 mm
Sep
28 mm
27.9 mm
Oct
23 mm
22.9 mm
Nov
23 mm
22.9 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec6.5h9h11.5h14h17h18.5h18h15.5h12.5h9.5h7h5.5h
Jan: 10:35 AM – 4:54 PM · 6h 19m
Feb: 9:27 AM – 6:13 PM · 8h 46m
Mar: 8:05 AM – 7:25 PM · 11h 21m
Apr: 6:28 AM – 8:43 PM · 14h 14m
May: 5:06 AM – 9:57 PM · 16h 50m
Jun: 4:21 AM – 10:50 PM · 18h 29m
Jul: 4:48 AM – 10:34 PM · 17h 47m
Aug: 5:58 AM – 9:21 PM · 15h 22m
Sep: 7:14 AM – 7:45 PM · 12h 31m
Oct: 8:29 AM – 6:12 PM · 9h 43m
Nov: 9:49 AM – 4:52 PM · 7h 03m
Dec: 10:46 AM – 4:16 PM · 5h 31m
Daylight Mountain Standard Time (MST) Longest: 18h 32m · Shortest: 5h 28m

Nearby Stations

Hour Lake, YTJune 16 - August 1

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