Willowdale West climate — normals and trends
Willowdale West (Canada) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.0 °C and it receives 798 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 (21.3 °C on average) and the coldest is January (-5.4 °C). Rainfall peaks in May.
Willowdale West averages 131 frost days, 10 hot days (≥ 30 °C) and 118 rainy days per year.
Willowdale West has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The number of frost days there went from about 141 to 121 per year over the period.
The hottest day of the period reached 36.9 °C (on 25 August 1948) and the coldest -30.2 °C (on 25 December 1980).
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
Willowdale WestOntario
- coords
- 43.77°, -79.43°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.0°C
Average daily high
12.4°C
Average daily low
3.6°C
Annual rainfall
798mm
Sunshine / day
8.7h
Mean relative humidity
72%
Average peak wind
19.9km/h
Seasonal range
26.7°C
Frost days (< 0 °C)
131 d/yr
Hot days (≥ 30 °C)
10 d/yr
Rainy days (≥ 1 mm)
118 d/yr
Annual snowfall
96.3 cm
Average feels-like high
10.0 °C
Average feels-like low
0.3 °C
Average peak gust
39.5 km/h
Tropical nights (≥ 20 °C)
9 d/yr
Solar radiation
14.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.28 · 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
36.9 °C
25 August 1948
Coldest day
-30.2 °C
25 December 1980
Wettest day
115 mm
15 October 1954
Windiest day
55.9 km/h
6 April 1979
Strongest gust
114.5 km/h
6 April 1985
Hottest feels-like
40.3 °C
14 July 1995
Coldest feels-like
-35.1 °C
25 December 1980
Snowiest day
22.7 cm
17 January 2022
Sunniest day
15.0 h
20 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 | -2.4 °C | -0.6 °C | 27 mm | -29 mm |
| Feb | -2.0 °C | -1.0 °C | 77 mm | +26 mm |
| Mar | 6.6 °C | +2.7 °C | 67 mm | +4 mm |
| Apr | 11.4 °C | +0.4 °C | 52 mm | -21 mm |
| May | 16.4 °C | -1.1 °C | 87 mm | +12 mm |
| Jun | 24.3 °C | +1.2 °C | 54 mm | -19 mm |
| Jul | 28.1 °C | +1.9 °C | 46 mm | -25 mm |
| Aug | 25.2 °C | -0.1 °C | 62 mm | -4 mm |
| Sep | 22.4 °C | +1.3 °C | 38 mm | -31 mm |
| Oct | 16.0 °C | +1.5 °C | 61 mm | -9 mm |
| Nov | 6.7 °C | -0.6 °C | 44 mm | -25 mm |
| Dec | 0.2 °C | -0.9 °C | 77 mm | +12 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 Willowdale West?
Willowdale West has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.0 °C and it receives 798 mm of precipitation per year.
What is the hottest day ever recorded in Willowdale West?
The hottest day measured in Willowdale West between 1940 and 2025 was 25 August 1948, reaching 36.9 °C.
What is the coldest day in Willowdale West?
The coldest day measured in Willowdale West between 1940 and 2025 was 25 December 1980, at -30.2 °C.
Does it snow in Willowdale West?
Yes. Willowdale West gets on average 96.3 cm of snow per year and has around 131 frost days.
Has the climate of Willowdale West warmed?
Yes: Willowdale West warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Willowdale West?
The wettest day measured in Willowdale West between 1940 and 2025 was 15 October 1954, with 115 mm of rain in 24 hours.
What was the windiest day in Willowdale West?
The windiest day measured in Willowdale West between 1940 and 2025 was 6 April 1979, with winds reaching 55.9 km/h.
What is the warmest month in Willowdale West?
The warmest month in Willowdale West is July (21.3 °C on average); the coldest is January (-5.4 °C).
How much does it rain in Willowdale West?
Willowdale West receives on average 798 mm of precipitation per year, spread over about 118 rainy days.
Is it sunny in Willowdale West?
Willowdale West gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
What is the biggest single-day snowfall in Willowdale West?
The heaviest 24-hour snowfall measured in Willowdale West between 1940 and 2025 was 17 January 2022, with 22.7 cm.
Are there tropical nights in Willowdale West?
Yes: Willowdale West has on average 9 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Willowdale West?
In Willowdale West, between 1940 and 2025, the highest apparent temperature reached 40.3 °C on 14 July 1995, and the lowest was -35.1 °C on 25 December 1980.
Compare Willowdale West with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Willowdale West