Frost Dates for Osoyoos Cs, 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. April 22
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 14
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 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 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 7a

Avg. annual minimum: 0 to 5°F (−18 to −15°C)

Learn more

Köppen Climate iThe 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

-5° 5° 15° 25° 35°
-1°
High: 2°C
Avg: -1°C
Low: -4°C
Jan
1°
High: 6°C
Avg: 1°C
Low: -3°C
Feb
6°
High: 12°C
Avg: 6°C
Low: 0°C
Mar
11°
High: 18°C
Avg: 11°C
Low: 4°C
Apr
16°
High: 23°C
Avg: 16°C
Low: 8°C
May
19°
High: 26°C
Avg: 19°C
Low: 12°C
Jun
23°
High: 32°C
Avg: 23°C
Low: 15°C
Jul
22°
High: 31°C
Avg: 22°C
Low: 14°C
Aug
17°
High: 25°C
Avg: 17°C
Low: 9°C
Sep
10°
High: 16°C
Avg: 10°C
Low: 4°C
Oct
4°
High: 7°C
Avg: 4°C
Low: 0°C
Nov
-1°
High: 2°C
Avg: -1°C
Low: -3°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
10 mm
10.2 mm
Jan
3 mm
2.5 mm
Feb
8 mm
7.6 mm
Mar
8 mm
7.6 mm
Apr
30 mm
30.5 mm
May
46 mm
45.7 mm
Jun
8 mm
7.6 mm
Jul
3 mm
2.5 mm
Aug
5 mm
5.1 mm
Sep
10 mm
10.2 mm
Oct
20 mm
20.3 mm
Nov
23 mm
22.9 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h16h15.5h14h12.5h10.5h9h8h
Jan: 7:47 AM – 4:13 PM · 8h 27m
Feb: 7:03 AM – 4:57 PM · 9h 54m
Mar: 6:13 AM – 5:47 PM · 11h 34m
Apr: 5:16 AM – 6:44 PM · 13h 28m
May: 4:28 AM – 7:32 PM · 15h 05m
Jun: 4:01 AM – 7:59 PM · 15h 58m
Jul: 4:12 AM – 7:48 PM · 15h 36m
Aug: 4:54 AM – 7:06 PM · 14h 11m
Sep: 5:50 AM – 6:10 PM · 12h 20m
Oct: 6:45 AM – 5:15 PM · 10h 30m
Nov: 7:34 AM – 4:26 PM · 8h 51m
Dec: 7:59 AM – 4:01 PM · 8h 02m
Daylight Longest: 15h 60m · Shortest: 8h 00m

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

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview