Frost Dates for Big Trout Lake Readac, ON
Elevation: 222 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 14
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 4
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 18
First Fall Frost
August 24
Hard Freeze (−2°C)
Last Spring Hard Freeze
May 31
First Fall Hard Freeze
September 26
Growing Season
82 Days
June 14 to September 4
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 | -17° | -22° | -27° |
| February | -13° | -20° | -26° |
| March | -5° | -12° | -20° |
| April | 5° | -2° | -9° |
| May | 12° | 6° | -1° |
| June | 19° | 13° | 6° |
| July | 22° | 16° | 10° |
| August | 21° | 15° | 9° |
| September | 14° | 10° | 5° |
| October | 6° | 2° | -1° |
| November | -4° | -8° | -11° |
| December | -14° | -18° | -23° |
Precipitation
0 mm
30 mm
60 mm
90 mm
Precipitation table
| Month | Precipitation |
|---|---|
| January | 0 |
| February | 3 |
| March | 10 |
| April | 18 |
| May | 48 |
| June | 66 |
| July | 86 |
| August | 99 |
| September | 74 |
| October | 51 |
| November | 25 |
| December | 8 |
Sunrise / Sunset
Daylight
Longest: 16h 51m · Shortest: 7h 09m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 8:09 AM | 3:51 PM | 7h 43m |
| February | 7:15 AM | 4:45 PM | 9h 29m |
| March | 6:15 AM | 5:45 PM | 11h 29m |
| April | 5:08 AM | 6:52 PM | 13h 45m |
| May | 4:09 AM | 7:51 PM | 15h 42m |
| June | 3:36 AM | 8:24 PM | 16h 49m |
| July | 3:50 AM | 8:10 PM | 16h 21m |
| August | 4:42 AM | 7:18 PM | 14h 37m |
| September | 5:48 AM | 6:12 PM | 12h 24m |
| October | 6:53 AM | 5:07 PM | 10h 13m |
| November | 7:53 AM | 4:07 PM | 8h 13m |
| December | 8:25 AM | 3:35 PM | 7h 11m |
Plan Your Garden with Planter
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