Saint Stephen (NB) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Saint Stephen.

Climate overview of Saint Stephen

Temperatures in Saint Stephen, New Brunswick, Canada, vary greatly throughout the year. July is the hottest month at 26°C (79°F), while January is the coldest at -2°C (28°F).

With around 1356 mm (53 in) of annual rain/snowfall, Saint Stephen has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has warm summers and very cold winters. The wettest month is October.

Saint Stephen Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Saint Stephen - and find the best time to visit.

Monthly Temperature in Saint Stephen

The climate in Saint Stephen is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a comfortable 26°C (79°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -2°C (28°F).

At night, temperatures range from around 14°C (57°F) in July to -13°C (9°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Saint Stephen

Saint Stephen has a notably wet climate with abundant precipitation, recording 1356 mm (53 in) of rain/snowfall per year. Saint Stephen experiences moderate seasonal variation in rainfall, with monthly averages ranging from 158 mm (6.2 in) in October, the wettest month, and 86 mm (3.4 in) in February, the driest month. For more details, please visit our Saint Stephen Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Best Time to Visit Saint Stephen

For comfortable weather, consider visiting Saint Stephen in September. Conditions are usually least favourable in January, February, March, April, November and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: September
  • Warmest weather: July and August
  • Seasonal pattern: Warm summers and very cold winters
  • Coldest conditions: January, with freezing nights around -13°C (9°F).

Frequently asked questions about the climate in Saint Stephen

What is the best time to visit Saint Stephen?

September typically offers the most optimal weather in Saint Stephen. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Saint Stephen has warm summers and very cold winters.

What temperatures can I expect in Saint Stephen?

Daytime highs range from -2°C (28°F) in January to 26°C (79°F) in July. Nighttime lows range from -13°C (9°F) to 14°C (57°F). Temperatures vary considerably through the year.

How much rain does Saint Stephen get?

Annual rainfall is around 1356 mm (53 in). October is the wettest month with 158 mm (6.2 in), while February is the driest with 86 mm (3.4 in).

Saint Stephen 3-Day Forecast

Saint Stephen on the map

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