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%) A 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%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date.
September 6
30% Probability
Only 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
Growing Season
101 Days
May 28 to September 6
USDA Hardiness Zone
Hardiness 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: −48 to −46°C
Köppen Climate
The 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.
Temperature
-30°
-15°
0°
15°
Avg High
Avg Temp
Avg Low
Light Frost (0°C)
Hard Frost (−2°C)
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | -17° | -22° | -27° |
| February | -10° | -16° | -23° |
| March | -3° | -10° | -18° |
| April | 7° | 0° | -7° |
| May | 14° | 8° | 1° |
| June | 20° | 14° | 7° |
| July | 21° | 15° | 9° |
| August | 19° | 13° | 7° |
| September | 13° | 8° | 3° |
| October | 4° | 0° | -5° |
| November | -10° | -14° | -18° |
| December | -16° | -20° | -25° |
Precipitation
0 mm
20 mm
40 mm
60 mm
Precipitation table
| Month | Precipitation |
|---|---|
| January | 20 |
| February | 10 |
| March | 0 |
| April | 3 |
| May | 18 |
| June | 53 |
| July | 53 |
| August | 46 |
| September | 48 |
| October | 28 |
| November | 23 |
| December | 23 |
Sunrise / Sunset
Daylight
Mountain Standard Time (MST)
Longest: 18h 32m · Shortest: 5h 28m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 10:35 AM | 4:54 PM | 6h 19m |
| February | 9:27 AM | 6:13 PM | 8h 46m |
| March | 8:05 AM | 7:25 PM | 11h 21m |
| April | 6:28 AM | 8:43 PM | 14h 14m |
| May | 5:06 AM | 9:57 PM | 16h 50m |
| June | 4:21 AM | 10:50 PM | 18h 29m |
| July | 4:48 AM | 10:34 PM | 17h 47m |
| August | 5:58 AM | 9:21 PM | 15h 22m |
| September | 7:14 AM | 7:45 PM | 12h 31m |
| October | 8:29 AM | 6:12 PM | 9h 43m |
| November | 9:49 AM | 4:52 PM | 7h 03m |
| December | 10:46 AM | 4:16 PM | 5h 31m |
Nearby Stations
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 FreeAvailable everywhere: iOS, Android, web, and more!
