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Saint Martins (NB) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Saint Martins.
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Climate overview of Saint Martins
Saint Martins, New Brunswick, Canada, sees big temperature differences between seasons, with August peaking at 22°C (72°F) and January dropping to -1°C (30°F).
The city has a wet climate, receiving around 1335 mm (53 in) of rain/snowfall per year. Despite the high annual total, it has pleasant summers and very cold winters. December is the wettest month.
Saint Martins Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint Martins - and find the best time to visit.
Monthly Temperature in Saint Martins
Visitors to Saint Martins can expect significant temperature changes throughout the year. On average, daytime temperatures range from a pleasant 22°C (72°F) in August to a very cold -1°C (30°F) in January.
Nighttime temperatures range from 14°C (57°F) in August to -11°C (12°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Saint Martins
Saint Martins is known for its substantial rain/snowfall, with annual precipitation reaching 1335 mm (53 in). The wettest period in Saint Martins occurs in December, which receives around 136 mm (5.4 in) of precipitation. During the driest month, August, Saint Martins experiences moderate rainfall, totaling 86 mm (3.4 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Saint Martins 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 Martins
Conditions in Saint Martins are generally most comfortable in July and August. They are typically least comfortable 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
cold
Mar
cold
Apr
wet
May
mixed
Jun
good
Jul
excellent
Aug
excellent
Sep
good
Oct
mixed
Nov
wet
Dec
cold
- Best overall: July and August
- Warmest weather: July and August
- Seasonal pattern: Pleasant summers and very cold winters
- Coldest conditions: January, with freezing nights around -11°C (12°F).
Frequently asked questions about the climate in Saint Martins
What is the best time to visit Saint Martins?
July and August typically offer the most optimal weather in Saint Martins. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Saint Martins has pleasant summers and very cold winters.
What temperatures can I expect in Saint Martins?
Daytime highs range from -1°C (30°F) in January to 22°C (72°F) in August. Nighttime lows range from -11°C (12°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Saint Martins get?
Annual rainfall is around 1335 mm (53 in). December is the wettest month with 136 mm (5.4 in), while August is the driest with 86 mm (3.4 in). In the coldest months, precipitation may fall as snow/rain.
Saint Martins 3-Day Forecast
Saint Martins on the map
Saint Martins is highlighted - select any city to see its climate.
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