Frost Dates for Island Lake A, MB
Elevation: 236 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 24
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 29
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
May 28
First Fall Frost
September 24
Hard Freeze (−2°C)
Last Spring Hard Freeze
May 17
First Fall Hard Freeze
October 9
Growing Season
128 Days
May 24 to September 29
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 3a
Avg. annual minimum: −40 to −37°C
Köppen Climate
The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dfb
Warm-Summer Continental
Warm summers and cold, snowy winters. A shorter growing season than hot-summer continental. Hardy vegetables, root crops, and cool-season greens do well. Season extension is valuable.
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° | -26° |
| February | -12° | -19° | -25° |
| March | -4° | -11° | -18° |
| April | 6° | -1° | -7° |
| May | 13° | 7° | 1° |
| June | 20° | 15° | 9° |
| July | 23° | 18° | 13° |
| August | 22° | 17° | 12° |
| September | 15° | 11° | 7° |
| October | 6° | 3° | 0° |
| November | -4° | -7° | -11° |
| December | -13° | -17° | -22° |
Precipitation
0 mm
30 mm
60 mm
90 mm
Precipitation table
| Month | Precipitation |
|---|---|
| January | 8 |
| February | 5 |
| March | 10 |
| April | 10 |
| May | 53 |
| June | 71 |
| July | 99 |
| August | 84 |
| September | 61 |
| October | 56 |
| November | 23 |
| December | 13 |
Sunrise / Sunset
Daylight
Central Time (CT)
Longest: 16h 51m · Shortest: 7h 09m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 8:37 AM | 4:19 PM | 7h 42m |
| February | 7:49 AM | 5:18 PM | 9h 29m |
| March | 7:44 AM | 7:13 PM | 11h 29m |
| April | 6:26 AM | 8:11 PM | 13h 45m |
| May | 5:24 AM | 9:06 PM | 15h 42m |
| June | 4:54 AM | 9:43 PM | 16h 49m |
| July | 5:14 AM | 9:35 PM | 16h 21m |
| August | 6:04 AM | 8:41 PM | 14h 37m |
| September | 7:01 AM | 7:25 PM | 12h 24m |
| October | 7:57 AM | 6:10 PM | 10h 13m |
| November | 7:57 AM | 4:10 PM | 8h 13m |
| December | 8:39 AM | 3:50 PM | 7h 10m |
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