Frost Dates for Gatineau, Quebec, Canada

Coordinates: 45.483, -75.650

Growing Season

The last spring air frost in Gatineau, Quebec, Canada typically occurs around May 11, and the first autumn air frost around Sep 15. This gives a frost-free growing season of approximately 127 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 January, with an average low of -14°C (7°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 11 (last spring) to Sep 15 (first autumn). Light ground frost (-1°C / 30°F): May 1 (last spring) to Sep 27 (first autumn). Hard ground frost (-2°C / 28°F): Apr 16 (last spring) to Oct 12 (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: Air Frost possible

for today based on past data only.

We predict a frost free growing season at your location from May 11 to Sep 15, which provides approximately 126 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 1 to Sep 27, which provides a total of 149 days for growing.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec