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Chambly, Quebec climate
Dfb Warm-summer humid continental
Chambly has a strongly seasonal cold-temperate climate (Warm-summer humid continental, Köppen Dfb). The hottest month is July with an average daily high near 26°C, while the coldest is January averaging around −14°C at night. Precipitation is fairly even year-round, totalling about 1090 mm. Snowfall is heavy (181 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)Chambly climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | −5 | −3 | 2 | 11 | 20 | 24 | 26 | 26 | 21 | 14 | 6 | −1 |
| Avg temp (°C) | −9 | −8 | −2 | 6 | 14 | 19 | 21 | 20 | 16 | 9 | 3 | −5 |
| Avg low (°C) | −14 | −13 | −7 | 1 | 8 | 14 | 16 | 15 | 10 | 5 | −1 | −8 |
| Precipitation (mm) | 68 | 68 | 67 | 92 | 98 | 101 | 119 | 91 | 100 | 119 | 80 | 87 |
| Snowfall (cm) | 42 | 48 | 31 | 8 | — | — | — | — | — | 1 | 9 | 42 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | −5 | −3 | 2 | 11 | 20 | 24 |
| Avg temp (°C) | −9 | −8 | −2 | 6 | 14 | 19 |
| Avg low (°C) | −14 | −13 | −7 | 1 | 8 | 14 |
| Precipitation (mm) | 68 | 68 | 67 | 92 | 98 | 101 |
| Snowfall (cm) | 42 | 48 | 31 | 8 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 26 | 26 | 21 | 14 | 6 | −1 |
| Avg temp (°C) | 21 | 20 | 16 | 9 | 3 | −5 |
| Avg low (°C) | 16 | 15 | 10 | 5 | −1 | −8 |
| Precipitation (mm) | 119 | 91 | 100 | 119 | 80 | 87 |
| Snowfall (cm) | — | — | — | 1 | 9 | 42 |
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 | 90 | 87 | 81 | 80 | 80 | 80 | 78 | 78 | 82 | 86 | 91 |
| Wind speed (km/h) | 11.7 | 12.2 | 12.1 | 11.2 | 9.5 | 8.4 | 7.8 | 7.5 | 8.2 | 9.3 | 9.8 | 10.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 69 | 66 | 65 | 67 | 68 | 64 |
| Relative humidity (%) | 92 | 90 | 87 | 81 | 80 | 80 |
| Wind speed (km/h) | 11.7 | 12.2 | 12.1 | 11.2 | 9.5 | 8.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 61 | 59 | 59 | 69 | 72 | 73 |
| Relative humidity (%) | 80 | 78 | 78 | 82 | 86 | 91 |
| Wind speed (km/h) | 7.8 | 7.5 | 8.2 | 9.3 | 9.8 | 10.2 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 27 years of daily observations at Marieville, a weather station, about 13 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.