New Westminster (BC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit New Westminster.
Climate overview of New Westminster
New Westminster, British Columbia, Canada, experiences significant temperature variation throughout the year. Summers bring daytime highs of 23°C (73°F) in August, while winters cool to 7°C (45°F) in January.
With around 2319 mm (91 in) of annual rain/snowfall, New Westminster has a notably wet climate. However, this rain/snowfall is not evenly distributed — the city has a distinct rainy season from October to April. The wettest month is November. Sunshine peaks in July, when the city sees around 9.6 hours of sunshine per day.
New Westminster Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in New Westminster — and find the best time to visit.
Monthly Temperature in New Westminster
Depending on the time of the year, temperatures range from comfortable to chilly in New Westminster. Average daytime temperatures reach a comfortable 23°C (73°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 7°C (45°F).
At night, temperatures range from around 13°C (55°F) in August to 1°C (34°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in New Westminster
New Westminster has a relatively rain/snowy climate with high precipitation levels, averaging 2319 mm (91 in) of rain/snowfall annually. New Westminster can be quite wet during November, receiving approximately 343 mm (14 in) of precipitation over 20 rainy days.
In contrast, during the driest month (July), you will experience much drier conditions, with 55 mm (2.2 in) of precipitation spread across 7 rainy days days. For more details, please visit our New Westminster Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in New Westminster
New Westminster can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.6 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.9 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in New Westminster by Month
The relative humidity is high throughout the year in New Westminster.
The city experiences its highest humidity in January, reaching 81%. In July, the humidity drops to its lowest level at 61%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit New Westminster
Rainfall during this time ranges from 55 mm (2.2 in) in July to 130 mm (5.1 in) in September. This means you can expect a mix of sunny days and occasional showers.
The rainy season falls during January, February, March, April, October, November and December, bringing heavy precipitation. Ready to plan your travels but need destination ideas? Our smart tool recommends places based on the climate conditions you prefer. Start planning with our destination weather tool.
Frequently asked questions about the climate in New Westminster
What is the best time to visit New Westminster?
July and August typically offer the most optimal weather in New Westminster. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. New Westminster has a distinct rainy season from October to April.
What temperatures can I expect in New Westminster?
Daytime highs range from 7°C (45°F) in January to 23°C (73°F) in August. Nighttime lows range from 1°C (34°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does New Westminster get?
Annual rainfall is around 2319 mm (91 in). November is the wettest month with 343 mm (14 in), while July is the driest with 55 mm (2.2 in).
How sunny is New Westminster?
New Westminster receives around 1,932 hours of sunshine per year. July is the sunniest month with 289 hours, while December is the cloudiest with just 56 hours.
New Westminster 3-Day Forecast
New Westminster (BC) 3-Day Forecast
New Westminster on the map
New Westminster is highlighted — select any city to see its climate.
Popular this month
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19°C (66°F) 
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