Halifax weather in August
August in Halifax: warm, rainy, with clean air — an excellent time to visit.
#3 of 12 months in Halifax · #233 of 604 destinations to visit in August · comfort 83/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Halifax climate normals — August
| Daytime high | 22°C / 72°F | 🌤 warm |
|---|---|---|
| Nighttime low | 18°C / 64°F | |
| Feels like (high) | 24°C / 75°F | |
| Rainfall | 99 mm / 3.9 in | 🌧 rainy |
| Rainy days | 11 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | 17°C / 63°F | |
| Sunshine | 9.5 h/day | |
| Daylight | 14 h | |
| Wind | 17 km/h / 11 mph | |
| Air quality (US AQI) | 36 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Halifax in August — FAQ
- Is August a good time to visit Halifax?
- August in Halifax: warm, rainy, with clean air — an excellent time to visit. It ranks #3 of 12 months for Halifax on SeasonMap's comfort score (83/100).
- What is the weather like in Halifax in August?
- In August, Halifax averages a daily high of 22.3°C and a low of 17.6°C, with about 98.6 mm of rain over roughly 10.8 rainy days.
- What is the air quality in Halifax in August?
- Halifax has a mean US Air Quality Index of about 36 in August.