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Saint Stephen (NB) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Saint Stephen.
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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
The average number of days each month with precipitation
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.
Jan
very cold
Feb
very cold
Mar
cold
Apr
wet
May
good
Jun
very good
Jul
very good
Aug
very good
Sep
excellent
Oct
mixed
Nov
wet
Dec
cold
- 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
Saint Stephen is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
Toronto
16°C (61°F) Niagara Falls15°C (59°F) Montréal14°C (57°F) Ottawa14°C (57°F) Vancouver
14°C (57°F) Quebec City12°C (54°F) Calgary
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