Frost Dates for La Grande Riviere A, QC
Elevation: 195 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 15
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 19
First Fall Frost
September 7
Hard Freeze (−2°C)
Last Spring Hard Freeze
May 31
First Fall Hard Freeze
October 7
Growing Season
94 Days
June 15 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 3a
Avg. annual minimum: −40 to −37°C
Köppen Climate
The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dsc
Subarctic (Dry Summer)
Cool, dry summers and cold winters. A rare climate found at high elevations. Very short growing season for cold-tolerant crops only.
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 | -15° | -21° | -26° |
| March | -8° | -14° | -20° |
| April | 1° | -4° | -10° |
| May | 11° | 5° | -1° |
| June | 18° | 12° | 5° |
| July | 21° | 15° | 9° |
| August | 19° | 14° | 8° |
| September | 13° | 9° | 4° |
| October | 6° | 3° | 0° |
| November | -2° | -5° | -8° |
| December | -10° | -14° | -18° |
Precipitation
0 mm
50 mm
100 mm
Precipitation table
| Month | Precipitation |
|---|---|
| January | 15 |
| February | 5 |
| March | 18 |
| April | 13 |
| May | 41 |
| June | 58 |
| July | 94 |
| August | 89 |
| September | 114 |
| October | 86 |
| November | 69 |
| December | 41 |
Sunrise / Sunset
Daylight
Eastern Time (ET)
Longest: 16h 49m · Shortest: 7h 11m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 8:28 AM | 4:12 PM | 7h 45m |
| February | 7:40 AM | 5:11 PM | 9h 30m |
| March | 7:36 AM | 7:05 PM | 11h 29m |
| April | 6:19 AM | 8:03 PM | 13h 44m |
| May | 5:17 AM | 8:57 PM | 15h 40m |
| June | 4:48 AM | 9:34 PM | 16h 47m |
| July | 5:07 AM | 9:26 PM | 16h 19m |
| August | 5:57 AM | 8:33 PM | 14h 36m |
| September | 6:53 AM | 7:17 PM | 12h 24m |
| October | 7:49 AM | 6:03 PM | 10h 14m |
| November | 7:48 AM | 4:03 PM | 8h 15m |
| December | 8:30 AM | 3:43 PM | 7h 13m |
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