Halifax weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Good
Best time to visit: June – September
What is the weather like in Halifax in August?
In August, Halifax is warm: daytime highs average 22 °C, and nights cool down to about 17 °C. The sea averages 16.8 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 92 mm in total. All in all, August is a good month for a holiday in Halifax.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 78 | 77 | 78 |
| Day | 21° | 22° | 19° |
| Night | 16° | 17° | 14° |
| Sea | 14° | 17° | 17° |
| Sun | 7 h | 6 h | 6 h |
| Rain days | 10 | 10 | 9 |
More details for August
- Daylight
- 14 h 7 min06:16 – 20:23
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 7 daysdew point 18 °C or moreAll months
- Wind
- 16 km/haverage daily peakAll months
- Cloud cover
- 63 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−3America/Halifax
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %55 %
- Few rainy daysweight 30 %54 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in August
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
- Rain jacket or umbrella
Halifax in August: quick answers
Is Halifax hot in August?
Warm rather than hot: in August, daytime highs in Halifax average 22 °C and nights cool to about 17 °C.
Can you swim in Halifax in August?
Only if you don't mind cold water: in August the sea averages just 16.8 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Halifax in August?
Rain is frequent, with about 10 rainy days and 92 mm in total.
Halifax month by month
The whole year in HalifaxAll destinations: CanadaWhere to go in AugustSea temperature in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences