Boston Bar (BC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Boston Bar.
Climate overview of Boston Bar
Temperatures in Boston Bar, British Columbia, Canada, vary greatly throughout the year. August is the hottest month at 21°C (70°F), while December is the coldest at -2°C (28°F).
With around 1441 mm (57 in) of annual rain/snowfall, Boston Bar has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has a distinct rainy season from November to January, with pleasant summers and very cold winters. The wettest month is November.
Boston Bar Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Boston Bar - and find the best time to visit.
Monthly Temperature in Boston Bar
The climate in Boston Bar is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a pleasant 21°C (70°F) in August. In December, the coolest month of the year, temperatures drop to a very cold -2°C (28°F).
At night, temperatures range from around 8°C (46°F) in August to -9°C (16°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Boston Bar
Boston Bar has a notably wet climate with abundant precipitation, recording 1441 mm (57 in) of rain/snowfall per year. Boston Bar can be quite wet during November, receiving approximately 217 mm (8.5 in) of precipitation over 15 snowy/rainy days.
In contrast, during the driest month (July), you will experience much drier conditions, with 47 mm (1.9 in) of precipitation spread across 8 rainy days. For more details, please visit our Boston Bar 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 Boston Bar
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and August
- Warmest weather: July and August
- Fewest rainy days: July and August
- Wettest months: January, February, March, October, November and December, when rainfall is highest.
- Seasonal pattern: A distinct rainy season from November to January, with pleasant summers and very cold winters
- Coldest conditions: December, with freezing nights around -9°C (16°F).
Frequently asked questions about the climate in Boston Bar
What is the best time to visit Boston Bar?
July and August typically offer the most optimal weather in Boston Bar. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Boston Bar has a distinct rainy season from November to January, with pleasant summers and very cold winters.
What temperatures can I expect in Boston Bar?
Daytime highs range from -2°C (28°F) in December to 21°C (70°F) in August. Nighttime lows range from -9°C (16°F) to 8°C (46°F). Temperatures vary considerably through the year.
How much rain does Boston Bar get?
Annual rainfall is around 1441 mm (57 in). November is the wettest month with 217 mm (8.5 in), while July is the driest with 47 mm (1.9 in). In the coldest months, precipitation may fall as snow/rain.
Boston Bar 3-Day Forecast
Boston Bar on the map
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