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Québec, Quebec climate
Dfb Warm-summer humid continental
Québec has a strongly seasonal cold-temperate climate (Warm-summer humid continental, Köppen Dfb). The hottest month is July with an average daily high near 78°F, while the coldest is January averaging around 5°F at night. Precipitation is fairly even year-round, totalling about 45 inches.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 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)Québec climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 20 | 24 | 33 | 47 | 63 | 72 | 78 | 76 | 68 | 52 | 39 | 27 |
| Avg temp (°F) | 12 | 16 | 25 | 39 | 54 | 62 | 68 | 66 | 58 | 45 | 33 | 20 |
| Avg low (°F) | 5 | 7 | 17 | 31 | 44 | 53 | 59 | 57 | 49 | 38 | 27 | 14 |
| Precipitation (in) | 2.8 | 2.9 | 2.9 | 3.8 | 3.6 | 4.3 | 4.1 | 4.3 | 4.1 | 4.6 | 3.4 | 4.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 20 | 24 | 33 | 47 | 63 | 72 |
| Avg temp (°F) | 12 | 16 | 25 | 39 | 54 | 62 |
| Avg low (°F) | 5 | 7 | 17 | 31 | 44 | 53 |
| Precipitation (in) | 2.8 | 2.9 | 2.9 | 3.8 | 3.6 | 4.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 78 | 76 | 68 | 52 | 39 | 27 |
| Avg temp (°F) | 68 | 66 | 58 | 45 | 33 | 20 |
| Avg low (°F) | 59 | 57 | 49 | 38 | 27 | 14 |
| Precipitation (in) | 4.1 | 4.3 | 4.1 | 4.6 | 3.4 | 4.0 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 67 | 65 | 63 | 67 | 70 | 67 | 64 | 62 | 62 | 72 | 74 | 71 |
| Relative humidity (%) | 97 | 96 | 94 | 85 | 80 | 81 | 84 | 84 | 84 | 86 | 90 | 96 |
| Wind speed (mph) | 3.7 | 3.9 | 3.7 | 3.3 | 2.6 | 2.3 | 2.3 | 2.3 | 2.5 | 2.7 | 2.9 | 3.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 67 | 65 | 63 | 67 | 70 | 67 |
| Relative humidity (%) | 97 | 96 | 94 | 85 | 80 | 81 |
| Wind speed (mph) | 3.7 | 3.9 | 3.7 | 3.3 | 2.6 | 2.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 64 | 62 | 62 | 72 | 74 | 71 |
| Relative humidity (%) | 84 | 84 | 84 | 86 | 90 | 96 |
| Wind speed (mph) | 2.3 | 2.3 | 2.5 | 2.7 | 2.9 | 3.2 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 23 years of daily observations at Ste-foy (u. Laval), a weather station, about 7 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.