Climate Insights for Halifax

The climate in Halifax is cool. The average annual temperature is 8°C and approximately 1538mm of precipitation falls per year. Halifax receives a notable amount of rainfall throughout the year, including during its driest month. Halifax is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, September, July. The coldest months are February, January, March, when temperatures can drop to -4°C. Snowfall occurs from January to December, with around 200cm accumulating over the season.

Temperatures in Halifax vary considerably across the year, with a 24°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 20°C with a mean of 19°C. The coldest month is February, when overnight lows fall to -4°C and the daily average is -1°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.

Halifax is a fairly wet location, receiving approximately 1538mm of precipitation annually, which averages out to around 128mm per month. The wettest month is October, averaging 168mm of rainfall. April and November also tend to see above-average precipitation. The driest month is August, with just 77mm. That's 92mm less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 200cm accumulating over the season. January typically sees the most snow at around 50cm.

Halifax is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 7km/h in winter, 6km/h in spring, 5km/h in summer, 6km/h in autumn.

It is currently summer in Halifax, which began on June 21, 2026. Halifax is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 20°C, while the coldest stretch bottoms out in February near -4°C. Autumn is next, beginning on September 23, 2026 — 93 days from now.

The best time to visit Halifax is during July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 87mm per month. By contrast, February can be quite cold with temperatures dropping to -4°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Halifax based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.