Climate Insights for Halifax

The climate in Halifax is temperate. The average annual temperature is 11°C and approximately 1295mm 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: July, August, September. The coldest months are January, February, December, when temperatures can drop to -1°C. Snowfall occurs from January to December, with around 119cm accumulating over the season.

Temperatures in Halifax vary considerably across the year, with a 26°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 25°C and the mean temperature sits around 22°C. The coldest month is January, when overnight lows fall to -1°C and the daily average is 1°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

Halifax is a fairly wet location, receiving approximately 1295mm of precipitation annually, which averages out to around 108mm per month. The wettest month is October, averaging 158mm of rainfall. April and December also tend to see above-average precipitation. The driest month is August, with just 66mm. That's 91mm 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 119cm accumulating over the season. March typically sees the most snow at around 38cm.

Halifax is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 4km/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.

It is currently spring in Halifax, which began on March 20, 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 July at around 25°C, while the coldest stretch bottoms out in January near -1°C. Summer is next, beginning on June 21, 2026 — 7 days from now.

The best time to visit Halifax is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 84mm per month. By contrast, January can be quite cold with temperatures dropping to -1°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.