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Owen Sound, Ontario climate
Dfb Warm-summer humid continental
Owen Sound 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 13°F at night. Precipitation is fairly even year-round, totalling about 47 inches. Snowfall is heavy (135 inches 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)Owen Sound climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 27 | 29 | 39 | 52 | 65 | 74 | 78 | 76 | 69 | 56 | 43 | 32 |
| Avg temp (°F) | 20 | 21 | 30 | 42 | 54 | 63 | 67 | 65 | 59 | 48 | 37 | 26 |
| Avg low (°F) | 13 | 13 | 20 | 32 | 42 | 52 | 56 | 55 | 48 | 39 | 30 | 20 |
| Precipitation (in) | 5.1 | 3.6 | 2.6 | 3.2 | 3.6 | 3.3 | 3.6 | 3.6 | 4.3 | 4.6 | 4.7 | 4.8 |
| Snowfall (in) | 40.7 | 27.2 | 11.7 | 3.7 | 0.1 | — | — | — | — | 1.0 | 16.4 | 34.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 27 | 29 | 39 | 52 | 65 | 74 |
| Avg temp (°F) | 20 | 21 | 30 | 42 | 54 | 63 |
| Avg low (°F) | 13 | 13 | 20 | 32 | 42 | 52 |
| Precipitation (in) | 5.1 | 3.6 | 2.6 | 3.2 | 3.6 | 3.3 |
| Snowfall (in) | 40.7 | 27.2 | 11.7 | 3.7 | 0.1 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 78 | 76 | 69 | 56 | 43 | 32 |
| Avg temp (°F) | 67 | 65 | 59 | 48 | 37 | 26 |
| Avg low (°F) | 56 | 55 | 48 | 39 | 30 | 20 |
| Precipitation (in) | 3.6 | 3.6 | 4.3 | 4.6 | 4.7 | 4.8 |
| Snowfall (in) | — | — | — | 1.0 | 16.4 | 34.3 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 79 | 74 | 70 | 71 | 68 | 64 | 57 | 57 | 59 | 72 | 79 | 81 |
| Relative humidity (%) | 91 | 89 | 85 | 80 | 78 | 76 | 72 | 72 | 73 | 79 | 84 | 89 |
| Wind speed (mph) | 11.8 | 11.5 | 10.0 | 8.9 | 7.0 | 6.4 | 6.7 | 6.9 | 7.7 | 9.3 | 10.3 | 10.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 79 | 74 | 70 | 71 | 68 | 64 |
| Relative humidity (%) | 91 | 89 | 85 | 80 | 78 | 76 |
| Wind speed (mph) | 11.8 | 11.5 | 10.0 | 8.9 | 7.0 | 6.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 57 | 57 | 59 | 72 | 79 | 81 |
| Relative humidity (%) | 72 | 72 | 73 | 79 | 84 | 89 |
| Wind speed (mph) | 6.7 | 6.9 | 7.7 | 9.3 | 10.3 | 10.9 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 23 years of daily observations at Chatsworth, a weather station, about 19 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.