Photo: John Shorten · CC BY 4.0Coquitlam sits near the top of Canadian towns for rain and snow, with 1,649 mm a year
July afternoons average 25.0°C. Its January nights stay gentler than in 95% of Canadian towns. Temperatures cover 25°C across the year, low to high. Heating does most of its work from November to April, in months below 10°C on average.
Coquitlam has no ECCC normals station of its own: every figure here comes from Pitt Meadows, 12 km south-east.
A year in Coquitlam at a glance
Each month’s typical high and low, in °C.
What stands out about Coquitlam’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in British Columbia beside it.
What a year in Coquitlam feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
About 60 frosts and 107 warm days a year
The frost season runs October to April, peaking in December at about 15 nights. Heat of 30°C or more comes on about 11 days a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
About 1,649 mm of rain and snow a year
January brings the most rain and snow; August, the least. 10th wettest of 255 towns of 2,500+ in British Columbia. About 148 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
About 37 cm of snow a year
Expect snow from November to March, with about 14 cm in December, the snowiest month.
Snowfall by month
Centimetres
Pitt Meadows publishes no full year of snowfall, so these figures come from Vancouver International (Airport), 28 km away.
Heating a home in Coquitlam
88% of a year’s heating need falls between October and April. Months averaging under 10°C: November to April.
A heating degree day is one degree of shortfall below 18°C for one day, summed over the year. In heating terms, homes need less heating than 96% of Canadian towns.
Living with Coquitlam’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Frost usually lets go around 11 April and returns near 30 October, about 201 days apart.
Warm afternoons without cold nights, 17–27°C and 8°C or more, mark Jun, Jul, Aug and Sep.
Parks & trails →Muggy heat with a humidex over 30 arrives on about 26 days a year.
Bad-weather days, from blizzards to floods, get their own page for Coquitlam: the hazards page.
Flood & hazards →ECCC’s normals location: Pitt Meadows
Pitt Meadows is one of the 450 places where ECCC publishes 1991–2020 normals.
| Distance from the town | 12 km south-east |
| Station altitude | 5 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Snowfall from | Vancouver International (Airport), 28 km |
| Coldest reading, 1991–2020 | −16.3°C |
| Hottest reading, 1991–2020 | 37.6°C |
| Average wind | 4.8 km/h on average, most often from the east |
| Next-nearest location | Vancouver (Harbour), 22 km |
How Coquitlam compares
Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in British Columbia.
Nearby towns’ climate
Places around Coquitlam whose figures come from another normals location. The nearest place to Coquitlam with figures is 12 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Coquitlam Pitt Meadows | 25.0°C | 0.5°C | 1,649 mm |
| Burnaby 12 km · Vancouver (Harbour) | 23.0°C 2.0°C cooler | 3.3°C 2.8°C milder | 1,537 mm |
Coquitlam weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | 6.8°C | 0.5°C | 3.6°C | 252 mm | 12 cm |
| February | 8.8°C | 0.4°C | 4.6°C | 134 mm | 5 cm |
| March | 11.3°C | 2.3°C | 6.8°C | 173 mm | 3 cm |
| April | 14.9°C | 4.5°C | 9.7°C | 105 mm | under 1 cm |
| May | 19.0°C | 7.9°C | 13.5°C | 95 mm | 0 cm |
| June | 21.3°C | 10.8°C | 16.1°C | 69 mm | 0 cm |
| July | 25.0°C | 12.6°C | 18.8°C | 48 mm | 0 cm |
| August | 25.1°C | 12.4°C | 18.8°C | 36 mm | 0 cm |
| September | 21.5°C | 9.8°C | 15.7°C | 94 mm | 0 cm |
| October | 15.0°C | 5.9°C | 10.5°C | 180 mm | under 1 cm |
| November | 9.6°C | 2.4°C | 6.0°C | 249 mm | 3 cm |
| December | 6.1°C | 0.1°C | 3.1°C | 214 mm | 14 cm |
| Year | 15.4°C | 5.8°C | 10.6°C | 1,649 mm | 37 cm |
Two years in three, February’s average lands within 1.7°C of normal, against the steadier October
The thirty-year records stretch furthest in September: a low of 0.9°C in 2000 and a high of 34.4°C in 2017.
Where Coquitlam’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the Canadian Climate Normals, 1991–2020, at Pitt Meadows (the closest location with all twelve months of temperatures).
- Other locations: precipitation and snowfall come from the nearest location that publishes all twelve months of them, as named above.
- Comparisons: a pool of Canadian towns and neighbourhoods of 2,500 or more, read alike; whole cities and reserves stay out of it.
- Not on this page: sunshine (no 1991–2020 normals exist for it) and any altitude adjustment, since there is no elevation for the town itself.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Coquitlam’s climate
How warm does Coquitlam get in summer?
On a normal day in August the thermometer climbs to 25.1°C, the warmest of the year.
How cold does Coquitlam get in winter?
December nights average 0.1°C, the coldest of the year.
How much rain and snow does Coquitlam get?
Rain and snow, with snow counted as water, total 1,649 mm a year; January leads with 252 mm and August trails with 36 mm.
Are these figures for Coquitlam itself?
No: Coquitlam has no normals location, so the figures come from Pitt Meadows, the nearest with 1991–2020 normals.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Coquitlam →
Adapted from Statistics Canada (Census of Population 2021, population estimates 2025, 2021 census boundaries) under the Statistics Canada Open Licence; this does not constitute an endorsement by Statistics Canada. Neighbourhood names in some cities © OpenStreetMap contributors (ODbL).