Frost Dates for Brevoort Island, NU
Elevation: 376 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 29
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.
July 5
This location has a very short growing season. Frost can occur at almost any time of year.
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 30
First Fall Frost
July 3
Hard Freeze (−2°C)
Last Spring Hard Freeze
June 20
First Fall Hard Freeze
August 27
Growing Season
6 Days
June 29 to July 5
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 4a
Avg. annual minimum: −34 to −32°C
Köppen Climate
The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
ET
Tundra
No true summer — the warmest month averages below 10°C (50°F). Growing is limited to hardy greens, root crops, and cold-frames during the brief warm period. Permafrost restricts root depth.
Temperature
-25°
-15°
-5°
5°
Avg High
Avg Temp
Avg Low
Light Frost (0°C)
Hard Frost (−2°C)
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | -19° | -21° | -23° |
| February | -20° | -22° | -25° |
| March | -16° | -19° | -22° |
| April | -10° | -12° | -15° |
| May | -3° | -5° | -7° |
| June | 3° | 1° | -1° |
| July | 8° | 5° | 3° |
| August | 8° | 5° | 3° |
| September | 2° | 1° | -1° |
| October | -3° | -4° | -6° |
| November | -7° | -9° | -11° |
| December | -13° | -15° | -18° |
Precipitation
0 mm
20 mm
40 mm
60 mm
Precipitation table
| Month | Precipitation |
|---|---|
| January | 15 |
| February | 15 |
| March | 13 |
| April | 23 |
| May | 30 |
| June | 10 |
| July | 18 |
| August | 10 |
| September | 38 |
| October | 58 |
| November | 53 |
| December | 23 |
Sunrise / Sunset
Daylight
Longest: 19h 58m · Shortest: 4h 02m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 9:23 AM | 2:37 PM | 5h 13m |
| February | 7:52 AM | 4:08 PM | 8h 16m |
| March | 6:23 AM | 5:37 PM | 11h 15m |
| April | 4:43 AM | 7:17 PM | 14h 34m |
| May | 3:09 AM | 8:51 PM | 17h 41m |
| June | 2:04 AM | 9:56 PM | 19h 53m |
| July | 2:33 AM | 9:27 PM | 18h 54m |
| August | 4:03 AM | 7:57 PM | 15h 54m |
| September | 5:42 AM | 6:18 PM | 12h 35m |
| October | 7:19 AM | 4:41 PM | 9h 23m |
| November | 8:55 AM | 3:05 PM | 6h 10m |
| December | 9:57 AM | 2:03 PM | 4h 06m |
Nearby Stations
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