Frost Dates for Westwold, BC

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 23
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 8
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 30
First Fall Frost September 3

Hard Freeze (−2°C)

Last Spring Hard Freeze May 8
First Fall Hard Freeze September 23
50.47°N, -119.75°W © OpenStreetMap

Growing Season

108 Days May 23 to September 8

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 5a

Avg. annual minimum: −20 to −15°F (−29 to −26°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

-10° 0° 10° 20° 30°
-5°
High: 0°C
Avg: -5°C
Low: -9°C
Jan
-1°
High: 4°C
Avg: -1°C
Low: -6°C
Feb
2°
High: 9°C
Avg: 2°C
Low: -4°C
Mar
7°
High: 15°C
Avg: 7°C
Low: -1°C
Apr
12°
High: 20°C
Avg: 12°C
Low: 3°C
May
15°
High: 23°C
Avg: 15°C
Low: 8°C
Jun
19°
High: 27°C
Avg: 19°C
Low: 10°C
Jul
18°
High: 27°C
Avg: 18°C
Low: 8°C
Aug
13°
High: 22°C
Avg: 13°C
Low: 4°C
Sep
6°
High: 13°C
Avg: 6°C
Low: -1°C
Oct
0°
High: 4°C
Avg: 0°C
Low: -5°C
Nov
-4°
High: 0°C
Avg: -4°C
Low: -8°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 20 mm 40 mm 60 mm
18 mm
17.8 mm
Jan
3 mm
2.5 mm
Feb
0 mm
0.0 mm
Mar
10 mm
10.2 mm
Apr
46 mm
45.7 mm
May
56 mm
55.9 mm
Jun
43 mm
43.2 mm
Jul
23 mm
22.9 mm
Aug
23 mm
22.9 mm
Sep
30 mm
30.5 mm
Oct
38 mm
38.1 mm
Nov
20 mm
20.3 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h10h11.5h13.5h15h16h16h14.5h12.5h10.5h8.5h8h
Jan: 7:53 AM – 4:07 PM · 8h 15m
Feb: 7:07 AM – 4:53 PM · 9h 47m
Mar: 6:14 AM – 5:46 PM · 11h 33m
Apr: 5:14 AM – 6:46 PM · 13h 33m
May: 4:23 AM – 7:37 PM · 15h 15m
Jun: 3:54 AM – 8:06 PM · 16h 12m
Jul: 4:06 AM – 7:54 PM · 15h 48m
Aug: 4:51 AM – 7:09 PM · 14h 18m
Sep: 5:49 AM – 6:11 PM · 12h 22m
Oct: 6:47 AM – 5:13 PM · 10h 25m
Nov: 7:40 AM – 4:20 PM · 8h 41m
Dec: 8:06 AM – 3:54 PM · 7h 48m
Daylight Longest: 16h 14m · Shortest: 7h 46m

Nearby Stations

Silver Creek, BC May 11 - September 26 Kamloops Pratt Road, BC April 29 - October 5 Vernon North, BC April 17 - October 12 Vernon Bella Vista, BC April 25 - October 9 Salmon Arm Cs, BC April 28 - October 7 Salmon Arm A, BCMay 9 - October 1

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