Frost Dates for Harrington Cda Cs, 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 13
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 24
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 19
First Fall Frost October 19

Hard Freeze (−2°C)

Last Spring Hard Freeze April 24
First Fall Hard Freeze November 8
46.35°N, -63.17°W © OpenStreetMap

Growing Season

164 Days May 13 to October 24

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 6a

Avg. annual minimum: −10 to −5°F (−23 to −21°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: -10°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: 19°C
Avg: 15°C
Low: 10°C
Jun
19°
High: 23°C
Avg: 19°C
Low: 15°C
Jul
19°
High: 23°C
Avg: 19°C
Low: 15°C
Aug
15°
High: 19°C
Avg: 15°C
Low: 11°C
Sep
9°
High: 13°C
Avg: 9°C
Low: 5°C
Oct
4°
High: 7°C
Avg: 4°C
Low: 0°C
Nov
-2°
High: 1°C
Avg: -2°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
71 mm
71.1 mm
Jan
71 mm
71.1 mm
Feb
79 mm
78.7 mm
Mar
86 mm
86.4 mm
Apr
74 mm
73.7 mm
May
86 mm
86.4 mm
Jun
66 mm
66.0 mm
Jul
97 mm
96.5 mm
Aug
86 mm
86.4 mm
Sep
117 mm
116.8 mm
Oct
122 mm
121.9 mm
Nov
122 mm
121.9 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h15h15.5h15.5h14h12.5h10.5h9h8.5h
Jan: 7:36 AM – 4:24 PM · 8h 47m
Feb: 6:57 AM – 5:03 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 47m
Jun: 4:13 AM – 7:47 PM · 15h 35m
Jul: 4:22 AM – 7:38 PM · 15h 15m
Aug: 5:00 AM – 6:60 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 09m
Dec: 7:48 AM – 4:12 PM · 8h 25m
Daylight Longest: 15h 36m · Shortest: 8h 24m

Nearby Stations

Charlottetown A, PE May 18 - October 18 Stanhope, PEMay 18 - October 22 New Glasgow, PEMay 27 - October 4 Elmwood, PEMay 21 - October 9 Summerside, PEMay 8 - October 21 Alliston, PEMay 10 - October 30

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