Frost Dates for Fredericton Cda Cs, 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 6
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. October 9
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 11
First Fall Frost October 3

Hard Freeze (−2°C)

Last Spring Hard Freeze April 22
First Fall Hard Freeze October 26
45.92°N, -66.62°W © OpenStreetMap

Growing Season

156 Days May 6 to October 9

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 5a

Avg. annual minimum: −20 to −15°F (−29 to −26°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

-15° 0° 15° 30°
-9°
High: -4°C
Avg: -9°C
Low: -14°C
Jan
-8°
High: -2°C
Avg: -8°C
Low: -13°C
Feb
-2°
High: 3°C
Avg: -2°C
Low: -8°C
Mar
5°
High: 10°C
Avg: 5°C
Low: -1°C
Apr
11°
High: 18°C
Avg: 11°C
Low: 5°C
May
16°
High: 22°C
Avg: 16°C
Low: 11°C
Jun
20°
High: 26°C
Avg: 20°C
Low: 14°C
Jul
19°
High: 25°C
Avg: 19°C
Low: 13°C
Aug
15°
High: 21°C
Avg: 15°C
Low: 9°C
Sep
9°
High: 14°C
Avg: 9°C
Low: 4°C
Oct
2°
High: 7°C
Avg: 2°C
Low: -2°C
Nov
-4°
High: 0°C
Avg: -4°C
Low: -8°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
64 mm
63.5 mm
Jan
76 mm
76.2 mm
Feb
84 mm
83.8 mm
Mar
86 mm
86.4 mm
Apr
84 mm
83.8 mm
May
104 mm
104.1 mm
Jun
79 mm
78.7 mm
Jul
91 mm
91.4 mm
Aug
86 mm
86.4 mm
Sep
114 mm
114.3 mm
Oct
109 mm
109.2 mm
Nov
114 mm
114.3 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h14.5h15.5h15h14h12.5h10.5h9h8.5h
Jan: 7:35 AM – 4:25 PM · 8h 50m
Feb: 6:56 AM – 5:04 PM · 10h 07m
Mar: 6:12 AM – 5:48 PM · 11h 37m
Apr: 5:21 AM – 6:39 PM · 13h 19m
May: 4:38 AM – 7:22 PM · 14h 45m
Jun: 4:14 AM – 7:46 PM · 15h 31m
Jul: 4:24 AM – 7:36 PM · 15h 12m
Aug: 5:01 AM – 6:59 PM · 13h 57m
Sep: 5:51 AM – 6:09 PM · 12h 18m
Oct: 6:40 AM – 5:20 PM · 10h 40m
Nov: 7:24 AM – 4:36 PM · 9h 12m
Dec: 7:46 AM – 4:14 PM · 8h 28m
Daylight Longest: 15h 33m · Shortest: 8h 27m

Nearby Stations

Fredericton A, NB May 14 - September 27 Gagetown Awos A, NB May 20 - September 26 Acadia Forest Exp St, NB May 31 - September 12 Mactaquac Prov Park, NB May 29 - September 14 Gagetown 2, NBMay 7 - October 8 Vanceboro No 2, ME May 13 - October 1

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