Frost Dates for Osoyoos Cs, BC

Elevation: 283 m

Frost Dates

Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. April 22
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. October 14

30% Probability

Only 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 April 28
First Fall Frost October 9

Hard Freeze (−2°C)

Last Spring Hard Freeze April 5
First Fall Hard Freeze October 28
49.03°N, 119.43°W © OpenStreetMap

Growing Season

175 Days April 22 to October 14

USDA Hardiness Zone

Hardiness 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 7a

Avg. annual minimum: −18 to −15°C

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
BSk Cold Semi-Arid (Steppe)

Cool to cold with low rainfall and wide temperature swings. Common in the western Great Plains and central Asia. Short growing seasons benefit from season extension techniques.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)
Temperature table
Average monthly temperatures (°C)
Month Avg High Avg Temp Avg Low
January2°-1°-4°
February6°1°-3°
March12°6°0°
April18°11°4°
May23°16°8°
June26°19°12°
July32°23°15°
August31°22°14°
September25°17°9°
October16°10°4°
November7°4°0°
December2°-1°-3°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January10
February3
March8
April8
May30
June46
July8
August3
September5
October10
November20
December23

Sunrise / Sunset

Daylight Pacific Time (PT) Longest: 15h 60m · Shortest: 8h 00m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Pacific Time (PT))
Month Sunrise Sunset Daylight
January7:54 AM4:21 PM8h 27m
February7:15 AM5:09 PM9h 54m
March7:20 AM6:54 PM11h 34m
April6:14 AM7:42 PM13h 28m
May5:22 AM8:26 PM15h 05m
June4:59 AM8:57 PM15h 58m
July5:15 AM8:51 PM15h 36m
August5:56 AM8:08 PM14h 11m
September6:42 AM7:02 PM12h 20m
October7:28 AM5:58 PM10h 30m
November7:17 AM4:09 PM8h 51m
December7:53 AM3:54 PM8h 02m

Nearby Stations

Oliver Stp, BC April 18 - October 12 Tonasket 4 Nne, WA April 26 - October 10 Tonasket 11ne, WA May 6 - October 6 Midway, BCMay 17 - September 21 Penticton A, BCMay 1 - October 7 Hedley Np Mine, BC June 9 - September 12

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