Frost Dates for Kelowna, British Columbia, Canada

Coordinates: 49.900, -119.483

Growing Season

The last spring air frost in Kelowna, British Columbia, Canada typically occurs around May 20, and the first autumn air frost around Sep 14. This gives a frost-free growing season of approximately 117 days.

USDA Hardiness Zone

This location falls in USDA Hardiness Zone 6b, where the average annual extreme minimum temperature is -20.6 to -17.8°C (-5 to 0°F). This zone rating helps gardeners determine which perennial plants are likely to survive winter.

Temperature Overview

The coldest month is February, with an average low of -6°C (21°F). The warmest month is July, with an average high of 26°C (79°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): May 20 (last spring) to Sep 14 (first autumn). Light ground frost (-1°C / 30°F): Apr 29 (last spring) to Sep 25 (first autumn). Hard ground frost (-2°C / 28°F): Apr 6 (last spring) to Oct 11 (first autumn).

We predict your growing zone to be approximately ...

USDA Growing Zone: USDA Growing Zone - 6b

... and the frost data for your area is ...

Current Risk Level: Light Ground Frost possible

for today based on past data only.

We predict a frost free growing season at your location from May 20 to Sep 14, which provides approximately 116 frost free days.

For the less tender plants, or if you are planning to protect your plants with fleece etc, your growing season could stretch from Apr 29 to Sep 25, which provides a total of 149 days for growing.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec