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Frost Dates for Prince George, British Columbia, Canada

Coordinates: 53.917, -122.767

Growing Season

The last spring air frost in Prince George, British Columbia, Canada typically occurs around Jun 16, and the first autumn air frost around Aug 17. This gives a frost-free growing season of approximately 62 days.

USDA Hardiness Zone

This location falls in USDA Hardiness Zone 4b, where the average annual extreme minimum temperature is -31.7 to -28.9°C (-25 to -20°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 -11°C (12°F). The warmest month is July, with an average high of 22°C (72°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): Jun 16 (last spring) to Aug 17 (first autumn). Light ground frost (-1°C / 30°F): May 30 (last spring) to Aug 30 (first autumn). Hard ground frost (-2°C / 28°F): May 2 (last spring) to Sep 17 (first autumn).

We predict your growing zone to be approximately ...

USDA Growing Zone: USDA Growing Zone - 4b

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

Current Risk Level: Unlikely (Safest)

for today based on past data only.

We predict a frost free growing season at your location from Jun 16 to Aug 17, which provides approximately 61 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 May 30 to Aug 30, which provides a total of 92 days for growing.

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