Frost Dates for Bristol, VT

Based on data from S Lincoln weather station, 7 miles away

Elevation: 568 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. May 21
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 25

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 18

Hard Freeze (28°F)

Last Spring Hard Freeze May 8
First Fall Hard Freeze October 5
44.13°N, 73.08°W © OpenStreetMap

Growing Season

127 Days May 21 to September 25

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 4b

Avg. annual minimum: −25 to −20°F

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 (32°F) Hard Frost (28°F)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January26°16°6°
February29°18°7°
March37°26°15°
April50°39°29°
May63°52°40°
June71°60°49°
July76°65°54°
August74°63°51°
September67°56°44°
October54°44°35°
November43°34°25°
December32°23°14°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January2.3
February2.5
March3.2
April4.3
May5.0
June5.2
July5.9
August5.5
September5.0
October4.9
November3.5
December2.8

Sunrise / Sunset

Daylight Eastern Time (ET) Longest: 15h 19m · Shortest: 8h 41m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Eastern Time (ET))
Month Sunrise Sunset Daylight
January7:30 AM4:33 PM9h 03m
February6:59 AM5:14 PM10h 14m
March7:12 AM6:51 PM11h 38m
April6:15 AM7:29 PM13h 14m
May5:31 AM8:05 PM14h 34m
June5:13 AM8:31 PM15h 17m
July5:28 AM8:27 PM14h 60m
August6:01 AM7:51 PM13h 50m
September6:38 AM6:55 PM12h 17m
October7:15 AM5:59 PM10h 45m
November6:56 AM4:18 PM9h 23m
December7:26 AM4:09 PM8h 43m

Nearby Stations

Waitsfield 2 Se, VT May 11 - October 1 Salisbury 2 N, VT May 21 - September 26 Cornwall, VTMay 5 - October 3 Vergennes, VT April 30 - October 17 Northfield, VT May 18 - September 28 Rochester, VTMay 13 - October 2

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