Owen Sound climate — normals and trends
Owen Sound (Canada) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.0 °C and it receives 949 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (19.9 °C on average) and the coldest is February (-6.6 °C). Rainfall peaks in July.
Owen Sound averages 143 frost days, 6 hot days (≥ 30 °C) and 152 rainy days per year.
Owen Sound has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The number of frost days there went from about 153 to 133 per year over the period.
The hottest day of the period reached 35.3 °C (on 3 September 1953) and the coldest -32.6 °C (on 16 February 2015).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
Owen SoundOntario
- coords
- 44.57°, -80.94°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.0°C
Average daily high
11.3°C
Average daily low
2.6°C
Annual rainfall
949mm
Sunshine / day
8.5h
Mean relative humidity
74%
Average peak wind
19.6km/h
Seasonal range
26.5°C
Frost days (< 0 °C)
143 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
152 d/yr
Annual snowfall
156.1 cm
Average feels-like high
8.8 °C
Average feels-like low
-0.8 °C
Average peak gust
41.8 km/h
Tropical nights (≥ 20 °C)
5 d/yr
Solar radiation
14.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.30 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
35.3 °C
3 September 1953
Coldest day
-32.6 °C
16 February 2015
Wettest day
68 mm
11 September 1986
Windiest day
54.0 km/h
19 January 1949
Strongest gust
111.6 km/h
6 April 1979
Hottest feels-like
39.4 °C
20 June 1953
Coldest feels-like
-37.3 °C
16 February 2015
Snowiest day
34.0 cm
25 March 1947
Sunniest day
15.0 h
2 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | -4.0 °C | -0.9 °C | 85 mm | +15 mm |
| Feb | -3.6 °C | -1.1 °C | 84 mm | +31 mm |
| Mar | 7.4 °C | +4.5 °C | 110 mm | +43 mm |
| Apr | 11.3 °C | +0.7 °C | 71 mm | -4 mm |
| May | 16.6 °C | -0.7 °C | 54 mm | -24 mm |
| Jun | 24.1 °C | +1.7 °C | 158 mm | +74 mm |
| Jul | 26.1 °C | +1.4 °C | 94 mm | +2 mm |
| Aug | 24.1 °C | +0.3 °C | 77 mm | -15 mm |
| Sep | 21.6 °C | +1.8 °C | 46 mm | -45 mm |
| Oct | 15.3 °C | +1.9 °C | 65 mm | -17 mm |
| Nov | 5.3 °C | -0.9 °C | 89 mm | +3 mm |
| Dec | -0.8 °C | -0.8 °C | 94 mm | +14 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Owen Sound?
Owen Sound has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.0 °C and it receives 949 mm of precipitation per year.
What is the hottest day ever recorded in Owen Sound?
The hottest day measured in Owen Sound between 1940 and 2025 was 3 September 1953, reaching 35.3 °C.
What is the coldest day in Owen Sound?
The coldest day measured in Owen Sound between 1940 and 2025 was 16 February 2015, at -32.6 °C.
Does it snow in Owen Sound?
Yes. Owen Sound gets on average 156.1 cm of snow per year and has around 143 frost days.
Has the climate of Owen Sound warmed?
Yes: Owen Sound warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Owen Sound?
The wettest day measured in Owen Sound between 1940 and 2025 was 11 September 1986, with 68 mm of rain in 24 hours.
What was the windiest day in Owen Sound?
The windiest day measured in Owen Sound between 1940 and 2025 was 19 January 1949, with winds reaching 54.0 km/h.
What is the warmest month in Owen Sound?
The warmest month in Owen Sound is July (19.9 °C on average); the coldest is February (-6.6 °C).
How much does it rain in Owen Sound?
Owen Sound receives on average 949 mm of precipitation per year, spread over about 152 rainy days.
Is it sunny in Owen Sound?
Owen Sound gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.
What is the biggest single-day snowfall in Owen Sound?
The heaviest 24-hour snowfall measured in Owen Sound between 1940 and 2025 was 25 March 1947, with 34.0 cm.
Are there tropical nights in Owen Sound?
Yes: Owen Sound has on average 5 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Owen Sound?
In Owen Sound, between 1940 and 2025, the highest apparent temperature reached 39.4 °C on 20 June 1953, and the lowest was -37.3 °C on 16 February 2015.
Compare Owen Sound with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Owen Sound