Frost Dates for Summerside, 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 8
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 21
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 15
First Fall Frost October 15

Hard Freeze (−2°C)

Last Spring Hard Freeze April 23
First Fall Hard Freeze November 3
46.43°N, -63.83°W © OpenStreetMap

Growing Season

166 Days May 8 to October 21

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°
-7°
High: -3°C
Avg: -7°C
Low: -11°C
Jan
-7°
High: -3°C
Avg: -7°C
Low: -11°C
Feb
-3°
High: 1°C
Avg: -3°C
Low: -7°C
Mar
3°
High: 8°C
Avg: 3°C
Low: -1°C
Apr
10°
High: 14°C
Avg: 10°C
Low: 5°C
May
15°
High: 20°C
Avg: 15°C
Low: 11°C
Jun
19°
High: 24°C
Avg: 19°C
Low: 15°C
Jul
19°
High: 24°C
Avg: 19°C
Low: 15°C
Aug
15°
High: 20°C
Avg: 15°C
Low: 11°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
64 mm
63.5 mm
Jan
64 mm
63.5 mm
Feb
64 mm
63.5 mm
Mar
66 mm
66.0 mm
Apr
66 mm
66.0 mm
May
86 mm
86.4 mm
Jun
66 mm
66.0 mm
Jul
86 mm
86.4 mm
Aug
81 mm
81.3 mm
Sep
104 mm
104.1 mm
Oct
94 mm
94.0 mm
Nov
94 mm
94.0 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h15h15.5h15.5h14h12.5h10.5h9h8.5h
Jan: 7:37 AM – 4:23 PM · 8h 47m
Feb: 6:58 AM – 5:02 PM · 10h 05m
Mar: 6:12 AM – 5:48 PM · 11h 36m
Apr: 5:20 AM – 6:40 PM · 13h 20m
May: 4:36 AM – 7:24 PM · 14h 48m
Jun: 4:12 AM – 7:48 PM · 15h 36m
Jul: 4:22 AM – 7:38 PM · 15h 16m
Aug: 5:00 AM – 6:60 PM · 13h 60m
Sep: 5:51 AM – 6:09 PM · 12h 19m
Oct: 6:41 AM – 5:19 PM · 10h 38m
Nov: 7:26 AM – 4:34 PM · 9h 09m
Dec: 7:48 AM – 4:12 PM · 8h 24m
Daylight Longest: 15h 37m · Shortest: 8h 23m

Nearby Stations

New Glasgow, PEMay 27 - October 4 Elmwood, PEMay 21 - October 9 Harrington Cda Cs, PE May 13 - October 24 Charlottetown A, PE May 18 - October 18 Stanhope, PEMay 18 - October 22 Buctouche Cda Cs, NB May 17 - October 5

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