Frost Dates for Mactaquac Prov Park, 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 29
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 14
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 June 5
First Fall Frost September 4

Hard Freeze (−2°C)

Last Spring Hard Freeze May 10
First Fall Hard Freeze October 7
45.95°N, -66.90°W © OpenStreetMap

Growing Season

108 Days May 29 to September 14

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 4a

Avg. annual minimum: −30 to −25°F (−34 to −32°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°
-10°
High: -5°C
Avg: -10°C
Low: -16°C
Jan
-9°
High: -3°C
Avg: -9°C
Low: -15°C
Feb
-3°
High: 3°C
Avg: -3°C
Low: -9°C
Mar
4°
High: 9°C
Avg: 4°C
Low: -2°C
Apr
10°
High: 17°C
Avg: 10°C
Low: 4°C
May
16°
High: 23°C
Avg: 16°C
Low: 9°C
Jun
19°
High: 25°C
Avg: 19°C
Low: 13°C
Jul
19°
High: 25°C
Avg: 19°C
Low: 12°C
Aug
14°
High: 20°C
Avg: 14°C
Low: 7°C
Sep
7°
High: 13°C
Avg: 7°C
Low: 2°C
Oct
1°
High: 5°C
Avg: 1°C
Low: -3°C
Nov
-5°
High: -1°C
Avg: -5°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 150 mm
84 mm
83.8 mm
Jan
56 mm
55.9 mm
Feb
79 mm
78.7 mm
Mar
89 mm
88.9 mm
Apr
91 mm
91.4 mm
May
91 mm
91.4 mm
Jun
104 mm
104.1 mm
Jul
97 mm
96.5 mm
Aug
99 mm
99.1 mm
Sep
132 mm
132.1 mm
Oct
102 mm
101.6 mm
Nov
74 mm
73.7 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h14.5h15.5h15h14h12.5h10.5h9h8.5h
Jan: 7:35 AM – 4:25 PM · 8h 50m
Feb: 6:57 AM – 5:03 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 32m
Jul: 4:24 AM – 7:36 PM · 15h 12m
Aug: 5:01 AM – 6:59 PM · 13h 58m
Sep: 5:51 AM – 6:09 PM · 12h 18m
Oct: 6:40 AM – 5:20 PM · 10h 39m
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 Cda Cs, NB May 6 - October 9 Fredericton A, NB May 14 - September 27 Gagetown Awos A, NB May 20 - September 26 Acadia Forest Exp St, NB May 31 - September 12 Woodstock, NB May 21 - September 20 Vanceboro No 2, ME May 13 - October 1

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