Frost Dates for Geraldton, ON
Based on data from Geraldton A weather station, 4 miles away
Elevation: 337 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 31
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 15
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 6
First Fall Frost
September 12
Hard Freeze (−2°C)
Last Spring Hard Freeze
May 22
First Fall Hard Freeze
September 28
Growing Season
107 Days
May 31 to September 15
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.
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
-25°
-10°
5°
20°
Avg High
Avg Temp
Avg Low
Light Frost (0°C)
Hard Frost (−2°C)
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | -12° | -19° | -25° |
| February | -8° | -16° | -23° |
| March | -1° | -9° | -16° |
| April | 7° | 0° | -6° |
| May | 15° | 8° | 2° |
| June | 21° | 15° | 8° |
| July | 23° | 17° | 11° |
| August | 22° | 16° | 10° |
| September | 16° | 11° | 5° |
| October | 8° | 3° | -1° |
| November | -1° | -5° | -9° |
| December | -8° | -13° | -18° |
Precipitation
0 mm
50 mm
100 mm
Precipitation table
| Month | Precipitation |
|---|---|
| January | 25 |
| February | 8 |
| March | 28 |
| April | 48 |
| May | 84 |
| June | 84 |
| July | 112 |
| August | 81 |
| September | 99 |
| October | 89 |
| November | 61 |
| December | 23 |
Sunrise / Sunset
Daylight
Eastern Time (ET)
Longest: 16h 07m · Shortest: 7h 53m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 8:47 AM | 5:07 PM | 8h 21m |
| February | 8:07 AM | 5:57 PM | 9h 50m |
| March | 8:11 AM | 7:44 PM | 11h 33m |
| April | 7:03 AM | 8:33 PM | 13h 30m |
| May | 6:09 AM | 9:19 PM | 15h 10m |
| June | 5:45 AM | 9:50 PM | 16h 05m |
| July | 6:02 AM | 9:44 PM | 15h 42m |
| August | 6:44 AM | 8:59 PM | 14h 15m |
| September | 7:32 AM | 7:53 PM | 12h 21m |
| October | 8:19 AM | 6:47 PM | 10h 28m |
| November | 8:10 AM | 4:56 PM | 8h 46m |
| December | 8:46 AM | 4:41 PM | 7h 55m |
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