Frost Dates for Perth-Andover, NB

Based on data from Aroostook weather station, 1 miles away

Elevation: 77 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 26
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 31
First Fall Frost September 19

Hard Freeze (−2°C)

Last Spring Hard Freeze May 10
First Fall Hard Freeze October 6
46.74°N, 67.70°W © OpenStreetMap

Growing Season

122 Days May 26 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 3b

Avg. annual minimum: −37 to −34°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-6°-12°-18°
February-4°-10°-17°
March3°-4°-10°
April10°4°-2°
May18°11°4°
June23°16°9°
July26°19°13°
August25°18°12°
September20°14°7°
October12°7°2°
November5°1°-4°
December-2°-6°-11°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January102
February79
March86
April84
May89
June112
July94
August102
September104
October91
November84
December107

Sunrise / Sunset

Daylight Atlantic Time (AT) Longest: 15h 39m · Shortest: 8h 21m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Atlantic Time (AT))
Month Sunrise Sunset Daylight
January8:18 AM5:03 PM8h 45m
February7:44 AM5:47 PM10h 04m
March7:53 AM7:29 PM11h 36m
April6:51 AM8:12 PM13h 21m
May6:02 AM8:52 PM14h 49m
June5:42 AM9:20 PM15h 38m
July5:57 AM9:15 PM15h 18m
August6:35 AM8:35 PM14h 01m
September7:16 AM7:35 PM12h 19m
October7:57 AM6:35 PM10h 37m
November7:43 AM4:49 PM9h 07m
December8:16 AM4:38 PM8h 22m

Nearby Stations

Presque Isle, ME May 14 - September 26 Caribou Muni AP, ME May 7 - October 1 Limestone 4 Nnw, ME May 16 - September 24 Bridgewater, ME May 25 - September 18 Juniper, NBMay 30 - September 9 St Leonard A, NB May 21 - September 16

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