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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 25°C, while the coldest is January averaging around −10°C at night. Precipitation is fairly even year-round, totalling about 1194 mm. Snowfall is heavy (343 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)Owen Sound climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | −3 | −2 | 4 | 11 | 18 | 23 | 25 | 25 | 21 | 13 | 6 | 0 |
| Avg temp (°C) | −6 | −6 | −1 | 5 | 12 | 17 | 19 | 19 | 15 | 9 | 3 | −3 |
| Avg low (°C) | −10 | −11 | −6 | 0 | 6 | 11 | 13 | 13 | 9 | 4 | −1 | −6 |
| Precipitation (mm) | 130 | 92 | 67 | 81 | 91 | 84 | 91 | 92 | 110 | 118 | 119 | 121 |
| Snowfall (cm) | 103 | 69 | 30 | 10 | 0 | — | — | — | — | 3 | 42 | 87 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | −3 | −2 | 4 | 11 | 18 | 23 |
| Avg temp (°C) | −6 | −6 | −1 | 5 | 12 | 17 |
| Avg low (°C) | −10 | −11 | −6 | 0 | 6 | 11 |
| Precipitation (mm) | 130 | 92 | 67 | 81 | 91 | 84 |
| Snowfall (cm) | 103 | 69 | 30 | 10 | 0 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 25 | 25 | 21 | 13 | 6 | 0 |
| Avg temp (°C) | 19 | 19 | 15 | 9 | 3 | −3 |
| Avg low (°C) | 13 | 13 | 9 | 4 | −1 | −6 |
| Precipitation (mm) | 91 | 92 | 110 | 118 | 119 | 121 |
| Snowfall (cm) | — | — | — | 3 | 42 | 87 |
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 (km/h) | 19.0 | 18.6 | 16.1 | 14.4 | 11.3 | 10.3 | 10.8 | 11.1 | 12.4 | 14.9 | 16.5 | 17.6 |
| 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 (km/h) | 19.0 | 18.6 | 16.1 | 14.4 | 11.3 | 10.3 |
| 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 (km/h) | 10.8 | 11.1 | 12.4 | 14.9 | 16.5 | 17.6 |
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.