Frost Dates for Carleton, Canada

Based on data from Bathurst A weather station, 37 miles away

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 20
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 25
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 24
First Fall Frost September 20

Hard Freeze (−2°C)

Last Spring Hard Freeze May 8
First Fall Hard Freeze October 11
48.10°N, -66.12°W © OpenStreetMap

Growing Season

128 Days May 20 to September 25

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: -5°C
Avg: -11°C
Low: -16°C
Jan
-9°
High: -4°C
Avg: -9°C
Low: -15°C
Feb
-4°
High: 2°C
Avg: -4°C
Low: -9°C
Mar
3°
High: 8°C
Avg: 3°C
Low: -2°C
Apr
10°
High: 16°C
Avg: 10°C
Low: 4°C
May
16°
High: 22°C
Avg: 16°C
Low: 9°C
Jun
19°
High: 25°C
Avg: 19°C
Low: 13°C
Jul
18°
High: 24°C
Avg: 18°C
Low: 12°C
Aug
14°
High: 20°C
Avg: 14°C
Low: 7°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: -1°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
86 mm
86.4 mm
Jan
69 mm
68.6 mm
Feb
84 mm
83.8 mm
Mar
81 mm
81.3 mm
Apr
102 mm
101.6 mm
May
97 mm
96.5 mm
Jun
99 mm
99.1 mm
Jul
94 mm
94.0 mm
Aug
89 mm
88.9 mm
Sep
122 mm
121.9 mm
Oct
102 mm
101.6 mm
Nov
99 mm
99.1 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h16h15.5h14h12.5h10.5h9h8h
Jan: 7:41 AM – 4:19 PM · 8h 38m
Feb: 7:00 AM – 4:60 PM · 9h 60m
Mar: 6:12 AM – 5:48 PM · 11h 35m
Apr: 5:18 AM – 6:42 PM · 13h 24m
May: 4:32 AM – 7:28 PM · 14h 55m
Jun: 4:07 AM – 7:53 PM · 15h 46m
Jul: 4:18 AM – 7:42 PM · 15h 25m
Aug: 4:58 AM – 7:02 PM · 14h 05m
Sep: 5:50 AM – 6:10 PM · 12h 19m
Oct: 6:43 AM – 5:17 PM · 10h 35m
Nov: 7:30 AM – 4:30 PM · 9h 01m
Dec: 7:53 AM – 4:07 PM · 8h 14m
Daylight Longest: 15h 47m · Shortest: 8h 13m

Nearby Stations

Bertrand, NBMay 28 - October 1 New Carlisle 1, QC May 15 - October 6 Upsalquitch Lake, NB June 1 - September 18 Bas Caraquet, NB May 17 - October 13 Haut Shippagan, NB May 20 - October 11 Miscou Island (Aut), NB May 15 - October 17

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