Frost Dates for Clayton, NY

Based on data from Grenadier Island weather station, 17 miles away

Elevation: 276 ft

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. April 25
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 22

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 April 30
First Fall Frost October 17

Hard Freeze (−2°C)

Last Spring Hard Freeze April 11
First Fall Hard Freeze November 4
44.24°N, 76.09°W © OpenStreetMap

Growing Season

180 Days April 25 to October 22

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°-7°-11°
February-1°-5°-10°
March5°0°-5°
April12°7°2°
May19°13°8°
June24°19°13°
July27°21°16°
August26°21°16°
September22°17°12°
October14°10°6°
November8°4°1°
December1°-3°-6°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January66
February46
March20
April56
May74
June79
July71
August61
September86
October99
November64
December38

Sunrise / Sunset

Daylight Eastern Time (ET) Longest: 15h 21m · Shortest: 8h 39m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Eastern Time (ET))
Month Sunrise Sunset Daylight
January7:42 AM4:43 PM9h 01m
February7:11 AM5:24 PM10h 13m
March7:24 AM7:02 PM11h 38m
April6:26 AM7:41 PM13h 15m
May5:42 AM8:18 PM14h 36m
June5:24 AM8:44 PM15h 20m
July5:38 AM8:40 PM15h 02m
August6:12 AM8:03 PM13h 51m
September6:49 AM7:07 PM12h 17m
October7:27 AM6:10 PM10h 44m
November7:08 AM4:29 PM9h 21m
December7:39 AM4:19 PM8h 40m

Nearby Stations

Lyndhurst Shawmere, ON May 6 - October 12 Brockville Pcc, ON April 27 - October 14 Gouverneur 3 Nw, NY May 14 - September 26 Ogdensburg 4 Ne, NY April 29 - October 10 Watertown, NYMay 2 - October 13 Watertown Intl AP, NY May 11 - October 1

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