Frost Dates for Ruth Lake, 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. June 5
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. August 30
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 June 11
First Fall Frost August 22

Hard Freeze (−2°C)

Last Spring Hard Freeze May 16
First Fall Hard Freeze September 21
51.85°N, -120.98°W © OpenStreetMap

Growing Season

86 Days June 5 to August 30

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 4a

Avg. annual minimum: −30 to −25°F (−34 to −32°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°
-6°
High: -3°C
Avg: -6°C
Low: -10°C
Jan
-4°
High: 2°C
Avg: -4°C
Low: -9°C
Feb
0°
High: 6°C
Avg: 0°C
Low: -6°C
Mar
5°
High: 12°C
Avg: 5°C
Low: -2°C
Apr
10°
High: 17°C
Avg: 10°C
Low: 2°C
May
13°
High: 20°C
Avg: 13°C
Low: 6°C
Jun
16°
High: 24°C
Avg: 16°C
Low: 8°C
Jul
15°
High: 23°C
Avg: 15°C
Low: 6°C
Aug
11°
High: 18°C
Avg: 11°C
Low: 3°C
Sep
5°
High: 10°C
Avg: 5°C
Low: 0°C
Oct
-1°
High: 2°C
Avg: -1°C
Low: -5°C
Nov
-6°
High: -2°C
Avg: -6°C
Low: -9°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 30 mm 60 mm 90 mm
46 mm
45.7 mm
Jan
8 mm
7.6 mm
Feb
10 mm
10.2 mm
Mar
13 mm
12.7 mm
Apr
58 mm
58.4 mm
May
81 mm
81.3 mm
Jun
69 mm
68.6 mm
Jul
58 mm
58.4 mm
Aug
36 mm
35.6 mm
Sep
48 mm
48.3 mm
Oct
48 mm
48.3 mm
Nov
46 mm
45.7 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h9.5h11.5h13.5h15.5h16.5h16h14.5h12.5h10.5h8.5h7.5h
Jan: 7:59 AM – 4:01 PM · 8h 02m
Feb: 7:10 AM – 4:50 PM · 9h 40m
Mar: 6:14 AM – 5:46 PM · 11h 31m
Apr: 5:11 AM – 6:49 PM · 13h 37m
May: 4:17 AM – 7:43 PM · 15h 25m
Jun: 3:47 AM – 8:13 PM · 16h 26m
Jul: 3:59 AM – 8:01 PM · 16h 01m
Aug: 4:47 AM – 7:13 PM · 14h 26m
Sep: 5:49 AM – 6:11 PM · 12h 23m
Oct: 6:50 AM – 5:10 PM · 10h 21m
Nov: 7:45 AM – 4:15 PM · 8h 30m
Dec: 8:13 AM – 3:47 PM · 7h 34m
Daylight Longest: 16h 28m · Shortest: 7h 32m

Nearby Stations

Buffalo Lake, BC June 9 - August 21 100 Mile House 6ne, BC June 7 - August 19 108 Mile House Abel Lake, BC June 2 - August 26 Bridge Lake 2, BC June 7 - August 30 Spokin Lake 4e, BC June 21 - July 17 Horsefly Lake Gruhs Lake, BC May 30 - August 27

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