Climate Around Your House

Climate change is real.

How does my outdoor temperature change throughout the year?

Your house is immersed in a humid continental climate, with warm summers and relatively mild winters. The moderating effect of the Atlantic Ocean causes seasons to arrive a month later than inland locations.

The warm season lasts from mid-June to mid-September.
The hottest month is August, with an average high of 23°C and low of 16°C.
The hottest day is around August 1.
The warmest time of the day is around 3:00 pm.
The cold season lasts from mid-December to mid-March.
The coldest month is January, with an average high of 1°C and low of -7°C.
The coldest day is around January 30.
The first frost is around October 20.
The last frost is around May 8.
The growing season is around 6 1/2 months, from late April to early November.

Government of Canada, Department of Fisheries and Oceans

Does humidity change throughout the year?

The air can feel muggy between July and September.
The muggiest month is August, with three days feeling muggy and nine more days feeling humid.

Does precipitation change throughout the year?

Precipitation falls throughout the year. There is no wet or dry season.
On average, 28% of days have precipitation.
Snow can fall for five months, from mid-November to mid-April.
The snowiest month is February, with an average of 243 millimetres.

How much sunlight does my house receive?

Halifax is located at 44.65°N latitude.

The longest day is around June 21, with about 15 1/2 hours of daylight.
The shortest day is around December 21, with about 9 hours of daylight.
The cloudiest part of the year is from mid-November to mid-June.
The least cloudy part of the year is from mid-June to mid-November.

Does the wind speed change throughout the year?

Wind is strongest between October and April.
Wind is lighest between May and September.
The Atlantic hurricane season runs from June to November.
September and October are the peak months for hurricanes.
The most recent hurricanes in Halifax were Hurricane Juan (2003, category 2), Hurricane Dorian (2019, category 1), and Hurricane Fiona (2022, category 1).

What is the air quality like outside my house?

Environment Canada reports on air quality.
Airborne allergens are strongest at different times: pollen from trees in late April and May; pollen from grass and weeds from late May to mid-July; and pollen from ragweed between late August and late October.