Frost Dates for Woodstock, NB

Frost Dates

Last Spring Frost (50%) iA 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%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. September 20
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly 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 27
First Fall Frost September 16

Hard Freeze (−2°C)

Last Spring Hard Freeze May 6
First Fall Hard Freeze October 6
46.17°N, -67.55°W © OpenStreetMap

Growing Season

122 Days May 21 to September 20

USDA Hardiness Zone iHardiness 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 (−32 to −29°C)

Learn more

Köppen Climate iThe 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

-20° -5° 10° 25°
-11°
High: -6°C
Avg: -11°C
Low: -15°C
Jan
-9°
High: -4°C
Avg: -9°C
Low: -15°C
Feb
-3°
High: 2°C
Avg: -3°C
Low: -9°C
Mar
4°
High: 9°C
Avg: 4°C
Low: -2°C
Apr
11°
High: 17°C
Avg: 11°C
Low: 5°C
May
16°
High: 22°C
Avg: 16°C
Low: 10°C
Jun
19°
High: 25°C
Avg: 19°C
Low: 13°C
Jul
19°
High: 24°C
Avg: 19°C
Low: 12°C
Aug
14°
High: 20°C
Avg: 14°C
Low: 8°C
Sep
7°
High: 12°C
Avg: 7°C
Low: 2°C
Oct
1°
High: 5°C
Avg: 1°C
Low: -3°C
Nov
-6°
High: -2°C
Avg: -6°C
Low: -10°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 50 mm 100 mm
104 mm
104.1 mm
Jan
86 mm
86.4 mm
Feb
94 mm
94.0 mm
Mar
86 mm
86.4 mm
Apr
97 mm
96.5 mm
May
102 mm
101.6 mm
Jun
99 mm
99.1 mm
Jul
89 mm
88.9 mm
Aug
99 mm
99.1 mm
Sep
99 mm
99.1 mm
Oct
99 mm
99.1 mm
Nov
117 mm
116.8 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h15h15.5h15h14h12.5h10.5h9h8.5h
Jan: 7:36 AM – 4:24 PM · 8h 49m
Feb: 6:57 AM – 5:03 PM · 10h 06m
Mar: 6:12 AM – 5:48 PM · 11h 36m
Apr: 5:20 AM – 6:40 PM · 13h 20m
May: 4:37 AM – 7:23 PM · 14h 46m
Jun: 4:13 AM – 7:47 PM · 15h 33m
Jul: 4:23 AM – 7:37 PM · 15h 14m
Aug: 5:01 AM – 6:59 PM · 13h 58m
Sep: 5:51 AM – 6:09 PM · 12h 18m
Oct: 6:41 AM – 5:19 PM · 10h 39m
Nov: 7:25 AM – 4:35 PM · 9h 10m
Dec: 7:47 AM – 4:13 PM · 8h 26m
Daylight Longest: 15h 35m · Shortest: 8h 25m

Nearby Stations

Houlton Intl AP, ME May 27 - September 18 Houlton 5n, ME May 19 - September 23 Bridgewater, ME May 25 - September 18 Juniper, NBMay 30 - September 9 Mactaquac Prov Park, NB May 29 - September 14 Danforth, MEMay 25 - September 24

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