Halifax Weather in May
May in Halifax averages 14°C (57°F) during the day and 6°C (43°F) at night. With just 92 mm (3.6 in) of rainfall on average, it doesn't get much drier than this.
Rainfall in Halifax in May
This is the driest month of the year, though the temperatures are on the cooler side. Analyzing past climate data, one can expect approximately 14 days of rain, averaging 92 mm (3.6 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Halifax in May
Daytime highs in Halifax in May reach 14°C (57°F), with nights around 6°C (43°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 6°C (43°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Halifax in May
Enjoy a sunny month with about 193 hours of sunshine, making it one of the brighter months of the year despite the cool conditions.If you prefer dry days with pleasant temperatures, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Halifax Temperature in May
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Halifax Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Halifax - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Halifax typically rise from around 12°C (54°F) at the start of May to approximately 17°C (63°F) by the end. Nights are cold, with lows typically ranging from 3°C (37°F) to 9°C (48°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for Halifax in May
Browse day-by-day weather records for Halifax spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Halifax historical weather extremes in May
According to our 50 years of weather records for Halifax, the following extremes were recorded between 1976 and 2026.
- On May 23, 1977, temperatures climbed to 31°C (88°F), marking the warmest May day on record.
- The coldest May day was on May 7, 1995, with a maximum of 2°C (36°F).
- Halifax registered its coldest May night on May 1, 2001, with temperatures dropping to -2°C (28°F).
Best Places in Canada in May
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in May →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Halifax in May
Pack for changing conditions in Halifax in May. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Halifax in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming5/10 -
Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports9/10
Halifax 3-Day Forecast
Temperature Rainfall Sunshine Humidity
See the full Halifax climate overview or explore weather in Canada.
Popular in May
Where to go in May - average daytime high across popular destinations.
Niagara Falls
21°C (70°F) Montréal20°C (68°F) Ottawa20°C (68°F) Quebec City19°C (66°F) Calgary17°C (63°F) Vancouver16°C (61°F) Toronto16°C (61°F) Whistler11°C (52°F) 
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