Frost Dates for Charlottetown A, PE

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 18
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 18
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 25
First Fall Frost October 13

Hard Freeze (−2°C)

Last Spring Hard Freeze May 2
First Fall Hard Freeze November 1
46.28°N, -63.13°W © OpenStreetMap

Growing Season

153 Days May 18 to October 18

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 5b

Avg. annual minimum: −15 to −10°F (−26 to −23°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° -5° 5° 15° 25°
-8°
High: -3°C
Avg: -8°C
Low: -12°C
Jan
-7°
High: -3°C
Avg: -7°C
Low: -12°C
Feb
-3°
High: 1°C
Avg: -3°C
Low: -7°C
Mar
3°
High: 7°C
Avg: 3°C
Low: -1°C
Apr
9°
High: 14°C
Avg: 9°C
Low: 4°C
May
15°
High: 20°C
Avg: 15°C
Low: 10°C
Jun
19°
High: 23°C
Avg: 19°C
Low: 14°C
Jul
18°
High: 23°C
Avg: 18°C
Low: 14°C
Aug
14°
High: 19°C
Avg: 14°C
Low: 10°C
Sep
9°
High: 13°C
Avg: 9°C
Low: 5°C
Oct
3°
High: 7°C
Avg: 3°C
Low: 0°C
Nov
-3°
High: 1°C
Avg: -3°C
Low: -6°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
81 mm
81.3 mm
Mar
81 mm
81.3 mm
Apr
86 mm
86.4 mm
May
97 mm
96.5 mm
Jun
79 mm
78.7 mm
Jul
89 mm
88.9 mm
Aug
86 mm
86.4 mm
Sep
124 mm
124.5 mm
Oct
102 mm
101.6 mm
Nov
119 mm
119.4 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h15h15.5h15h14h12.5h10.5h9h8.5h
Jan: 7:36 AM – 4:24 PM · 8h 48m
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 47m
Jun: 4:13 AM – 7:47 PM · 15h 34m
Jul: 4:23 AM – 7:37 PM · 15h 15m
Aug: 5:01 AM – 6:59 PM · 13h 59m
Sep: 5:51 AM – 6:09 PM · 12h 19m
Oct: 6:41 AM – 5:19 PM · 10h 38m
Nov: 7:25 AM – 4:35 PM · 9h 10m
Dec: 7:47 AM – 4:13 PM · 8h 25m
Daylight Longest: 15h 36m · Shortest: 8h 24m

Nearby Stations

Harrington Cda Cs, PE May 13 - October 24 Stanhope, PEMay 18 - October 22 Elmwood, PEMay 21 - October 9 New Glasgow, PEMay 27 - October 4 Alliston, PEMay 10 - October 30 Summerside, PEMay 8 - October 21

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