Saint John Weather in August

Mild and comfortable, with some rainy days. Average highs of 22°C and lows of 16°C, with around 10 rainy days expected throughout the month.

While August isn't our top-rated month for Saint John, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.

Average high

22°C

Average low

16°C

Rainy days

10 days

Best months to visit

Year-round

What to do in Saint John in August

Whatever the weather, Saint John rewards curious visitors. Here are some of the best ways to spend your time:

Watch the Reversing Falls tidal phenomenon Explore the revitalized waterfront and City Market Kayak the Bay of Fundy spotting whales Visit the Bay of Fundy Discovery Centre Tour historic covered bridges like St. Martins Hike coastal trails with Fundy views

What to pack for August

Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.