Coquitlam (BC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Coquitlam.
Climate overview of Coquitlam
The climate in Coquitlam, British Columbia, Canada, is marked by large temperature swings across the seasons, ranging from 23°C (73°F) in July to 6°C (43°F) in December.
Rain/snowfall is high, totalling around 2516 mm (99 in) per year. November is the wettest month and July the driest. The city also experiences a distinct rainy season from October to April, with warm summers and cold winters. The most sunshine falls in July, with an average of 9.6 hours of daily sunshine.
Coquitlam Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Coquitlam - and find the best time to visit.
Monthly Temperature in Coquitlam
In Coquitlam, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a comfortable 23°C (73°F) in July, the warmest time of the year, to a chilly 6°C (43°F) during cooler months like December.
At night, you can expect temperatures ranging from 13°C (55°F) in July to around 1°C (34°F) during December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Coquitlam
Coquitlam experiences significant rain/snowfall throughout the year, averaging 2516 mm (99 in) of precipitation annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, November it receives heavy rainfall, averaging 369 mm (15 in) of precipitation, recorded across 20 rainy days. In contrast, the driest month July brings less rainfall, with 61 mm (2.4 in) over 7 rainy days. For more details, please visit our Coquitlam 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 Coquitlam
Seasonal changes in sunshine hours are quite dramatic in Coquitlam. While July receives considerable daily sunshine with up to 9.6 hours, December marks the darkest time of the year, where sunshine is scarce 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 Coquitlam by Month
The relative humidity is high throughout the year in Coquitlam.
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 Coquitlam
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
- Most sunshine: July and August
- Fewest rainy days: July and August
- Seasonal pattern: A distinct rainy season from October to April, with warm summers and cold winters
Frequently asked questions about the climate in Coquitlam
What is the best time to visit Coquitlam?
July and August typically offer the most optimal weather in Coquitlam. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Coquitlam has a distinct rainy season from October to April, with warm summers and cold winters.
What temperatures can I expect in Coquitlam?
Daytime highs range from 6°C (43°F) in December to 23°C (73°F) in July. Nighttime lows range from 1°C (34°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Coquitlam get?
Annual rainfall is around 2516 mm (99 in). November is the wettest month with 369 mm (15 in), while July is the driest with 61 mm (2.4 in).
How sunny is Coquitlam?
Coquitlam 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.
Coquitlam 3-Day Forecast
Coquitlam on the map
Coquitlam is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 5 most beautiful lakes in Canada
Explore Canada's stunning lakes: Lake Louise, Lake Superior, Maligne Lake, Emerald Lake, and Lake Okanagan, each offering unique beauty and activities.
Canoeing the south Nahannii
The South Nahanni in the northwest of Canada is one of the most impressive wilderness rivers in the world. Canoeing the south Nahanni is something you must add to your bucket list.
See Polar Bears in Churchill Canada
Thousands of bears gather at the small town of Churchill. In the evening the northern lights give a light show against the dark evening sky. An unforgettable experience.
Banff National Park
Snowy mountains, clear blue lakes and green forests make Banff National Park a wonderful bucket list destination. The pristine wilderness is a mecca for walkers.