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Best Times to Visit Saint John, New Brunswick

The best times to visit Saint John are April to May and September to October. These shoulder seasons offer mild weather, a colorful landscape (with blooming flowers and changing leaves) and low room rates. Summer is by far the most popular time to visit Saint John thanks to its warmer temperatures and abundant festivals, but heavy crowds can turn the exploration of the rather small downtown area into a test of patience. You'll have the city all to yourself if you visit during the wintertime, but icy sea breezes will keep you confined to the underground passageways and overhead walkways of The Inside Connection.

Weather in Saint John, New Brunswick switch to Celsius/mm

Average Temperature (°F)

Average Precipitation (in)

Data sourced from the National Climatic Data Center

April-May Springtime in Saint John is chilly yet pleasant, with temperatures hovering between the 40s and 50s. You'll need a jacket to protect yourself from cold Bay-of-Fundy breezes, but watching the region bloom is worth braving the cooler weather. You'll also find some great deals on lodging, as the city awaits the arrival of summertime tourists.
June-August

It's easy to see why summertime is the most popular season to visit Saint John: The weather is warm (with temperatures resting in the 60s) and the region's natural attractions are begging to be explored. The mild weather also makes a walking tour of town that much more inviting. But be prepared to battle the crowds; you can expect the streets to be fairly clogged and the hotel prices to be fairly high.

Key Events:

September-October

The main reason to visit Saint John in the fall is to witness the leaves change color around the Bay of Fundy. You'll discover that the addition of reds, yellows and oranges to the landscape makes for some spectacular photo ops. And the mild temperatures (ranging from the low 50s to the low 60s) are conducive to spending plenty of time outdoors. Just make sure to book travel arrangements at least two weeks in advance: You're not the only one who wants to enjoy the scenery.

Key Events:

  • Atlantic National Exhibition (September)
  • Saint John Shakespeare Festival (October)
November-March

Saint John's cold winter weather is enough to drive away most potential visitors. Temperatures rest in the high 20s and low 30s, and the icy winds from the Bay of Fundy can chill you to the bone. But you shouldn't be too quick to dismiss a wintertime visit; the city's indoor walkway, The Inside Connection, allows you to navigate downtown without setting foot outside. Plus, you'll find hotel rates at an all-time low.

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