Frost Dates for Picton, ON

Based on data from Mountainview weather station, 8 miles away

Elevation: 96 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 1
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. October 9

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 6
First Fall Frost October 5

Hard Freeze (−2°C)

Last Spring Hard Freeze April 13
First Fall Hard Freeze October 25
44.00°N, 77.15°W © OpenStreetMap

Growing Season

161 Days May 1 to October 9

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 5b

Avg. annual minimum: −26 to −23°C

Learn more

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.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)
Temperature table
Average monthly temperatures (°C)
Month Avg High Avg Temp Avg Low
January-2°-6°-10°
February-1°-5°-10°
March4°0°-5°
April12°7°2°
May19°13°8°
June24°19°13°
July27°21°16°
August26°21°15°
September22°17°11°
October15°10°5°
November8°4°0°
December2°-2°-6°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January84
February69
March61
April81
May86
June89
July79
August74
September91
October91
November102
December81

Sunrise / Sunset

Daylight Eastern Time (ET) Longest: 15h 18m · Shortest: 8h 42m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Eastern Time (ET))
Month Sunrise Sunset Daylight
January7:47 AM4:50 PM9h 03m
February7:17 AM5:31 PM10h 14m
March7:30 AM7:08 PM11h 38m
April6:33 AM7:46 PM13h 14m
May5:49 AM8:22 PM14h 34m
June5:31 AM8:48 PM15h 17m
July5:45 AM8:44 PM14h 59m
August6:18 AM8:08 PM13h 50m
September6:55 AM7:12 PM12h 17m
October7:32 AM6:17 PM10h 45m
November7:13 AM4:36 PM9h 23m
December7:44 AM4:26 PM8h 43m

Nearby Stations

Belleville, ON April 25 - October 15 Trenton A, ONMay 2 - October 10 Point Petre (Aut), ON April 26 - October 25 Wooler, ONMay 6 - September 30 Centreville, ONMay 10 - October 3 Hartington Ihd, ON May 5 - October 6

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