Halifax weather in May
May in Halifax: cool, a little rain, with clean air — a great time to visit.
#5 of 12 months in Halifax · #375 of 604 destinations to visit in May · comfort 78/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Halifax climate normals — May
| Daytime high | 13°C / 55°F | 🙂 cool |
|---|---|---|
| Nighttime low | 6°C / 43°F | |
| Feels like (high) | 10°C / 50°F | |
| Rainfall | 70 mm / 2.7 in | 🌦 some rain |
| Rainy days | 11 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 5°C / 41°F | |
| Sunshine | 9.4 h/day | |
| Daylight | 14.8 h | |
| Wind | 20 km/h / 12 mph | |
| Snowfall | 1.3 cm / 0.5 in | |
| Air quality (US AQI) | 39 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Halifax in May — FAQ
- Is May a good time to visit Halifax?
- May in Halifax: cool, a little rain, with clean air — a great time to visit. It ranks #5 of 12 months for Halifax on SeasonMap's comfort score (78/100).
- What is the weather like in Halifax in May?
- In May, Halifax averages a daily high of 12.6°C and a low of 5.9°C, with about 69.5 mm of rain over roughly 10.8 rainy days.
- What is the air quality in Halifax in May?
- Halifax has a mean US Air Quality Index of about 39 in May.
- Does it snow in Halifax in May?
- Halifax sees roughly 1.3 cm of snowfall in May.