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Mascouche, Quebec climate
Dfb Warm-summer humid continental
Mascouche has a strongly seasonal cold-temperate climate (Warm-summer humid continental, Köppen Dfb). The hottest month is July with an average daily high near 27°C, while the coldest is January averaging around −14°C at night. Precipitation is fairly even year-round, totalling about 965 mm. Winters bring significant snowfall (152 cm of snow per year on average).
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation split into rain and snow · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Mascouche climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | −5 | −3 | 3 | 11 | 20 | 25 | 27 | 26 | 21 | 13 | 6 | −1 |
| Avg temp (°C) | −10 | −8 | −2 | 6 | 14 | 19 | 22 | 20 | 16 | 9 | 2 | −5 |
| Avg low (°C) | −14 | −13 | −7 | 1 | 8 | 14 | 16 | 15 | 11 | 4 | −2 | −9 |
| Precipitation (mm) | 64 | 53 | 57 | 86 | 84 | 93 | 99 | 90 | 89 | 100 | 77 | 72 |
| Snowfall (cm) | 35 | 36 | 24 | 8 | — | — | — | — | — | 1 | 11 | 37 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | −5 | −3 | 3 | 11 | 20 | 25 |
| Avg temp (°C) | −10 | −8 | −2 | 6 | 14 | 19 |
| Avg low (°C) | −14 | −13 | −7 | 1 | 8 | 14 |
| Precipitation (mm) | 64 | 53 | 57 | 86 | 84 | 93 |
| Snowfall (cm) | 35 | 36 | 24 | 8 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 27 | 26 | 21 | 13 | 6 | −1 |
| Avg temp (°C) | 22 | 20 | 16 | 9 | 2 | −5 |
| Avg low (°C) | 16 | 15 | 11 | 4 | −2 | −9 |
| Precipitation (mm) | 99 | 90 | 89 | 100 | 77 | 72 |
| Snowfall (cm) | — | — | — | 1 | 11 | 37 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 69 | 66 | 65 | 67 | 68 | 64 | 61 | 59 | 59 | 69 | 72 | 73 |
| Relative humidity (%) | 92 | 91 | 87 | 81 | 78 | 78 | 76 | 73 | 74 | 80 | 85 | 91 |
| Wind speed (mph) | 7.5 | 8.0 | 8.1 | 7.8 | 6.8 | 6.1 | 6.0 | 5.7 | 6.0 | 6.5 | 6.6 | 6.6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 69 | 66 | 65 | 67 | 68 | 64 |
| Relative humidity (%) | 92 | 91 | 87 | 81 | 78 | 78 |
| Wind speed (mph) | 7.5 | 8.0 | 8.1 | 7.8 | 6.8 | 6.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 61 | 59 | 59 | 69 | 72 | 73 |
| Relative humidity (%) | 76 | 73 | 74 | 80 | 85 | 91 |
| Wind speed (mph) | 6.0 | 5.7 | 6.0 | 6.5 | 6.6 | 6.6 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 28 years of daily observations at Riviere Des Prairies, a weather station, about 10 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.