Frost Dates for Hay River, NT
Based on data from Hay River A weather station, 1 miles away
Elevation: 152 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.
June 1
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 17
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 7
First Fall Frost
September 13
Hard Freeze (−2°C)
Last Spring Hard Freeze
May 20
First Fall Hard Freeze
September 30
Growing Season
108 Days
June 1 to September 17
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 2b
Avg. annual minimum: −43 to −40°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 | -18° | -22° | -26° |
| February | -14° | -19° | -24° |
| March | -8° | -14° | -20° |
| April | 3° | -3° | -8° |
| May | 11° | 6° | 0° |
| June | 18° | 13° | 7° |
| July | 22° | 17° | 11° |
| August | 20° | 15° | 10° |
| September | 14° | 9° | 5° |
| October | 4° | 1° | -3° |
| November | -7° | -11° | -14° |
| December | -14° | -19° | -23° |
Precipitation
0 mm
20 mm
40 mm
60 mm
Precipitation table
| Month | Precipitation |
|---|---|
| January | 0 |
| February | 0 |
| March | 0 |
| April | 5 |
| May | 5 |
| June | 13 |
| July | 41 |
| August | 58 |
| September | 41 |
| October | 28 |
| November | 8 |
| December | 3 |
Sunrise / Sunset
Daylight
Mountain Time (MT)
Longest: 18h 48m · Shortest: 5h 12m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 9:49 AM | 3:56 PM | 6h 06m |
| February | 8:38 AM | 5:18 PM | 8h 40m |
| March | 8:13 AM | 7:33 PM | 11h 20m |
| April | 6:34 AM | 8:53 PM | 14h 18m |
| May | 5:09 AM | 10:10 PM | 17h 01m |
| June | 4:21 AM | 11:06 PM | 18h 44m |
| July | 4:49 AM | 10:48 PM | 17h 60m |
| August | 6:03 AM | 9:32 PM | 15h 29m |
| September | 7:22 AM | 7:54 PM | 12h 32m |
| October | 8:39 AM | 6:18 PM | 9h 39m |
| November | 9:02 AM | 3:54 PM | 6h 52m |
| December | 10:01 AM | 3:16 PM | 5h 15m |
Plan Your Garden with Planter
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