Willoughby climate — normals and trends
Willoughby (Canada) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.7 °C and it receives 2,613 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 (17.1 °C on average) and the coldest is January (1.2 °C). Rainfall peaks in November.
Willoughby averages 69 frost days, 4 hot days (≥ 30 °C) and 184 rainy days per year.
Willoughby has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The number of frost days there went from about 100 to 38 per year over the period.
The hottest day of the period reached 40.5 °C (on 28 June 2021) and the coldest -22.5 °C (on 14 January 1950).
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
WilloughbyBritish Columbia
- coords
- 49.13°, -122.68°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.7°C
Average daily high
12.7°C
Average daily low
4.9°C
Annual rainfall
2,613mm
Sunshine / day
8.2h
Mean relative humidity
80%
Average peak wind
9.5km/h
Seasonal range
15.9°C
Frost days (< 0 °C)
69 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
184 d/yr
Annual snowfall
217.7 cm
Average feels-like high
11.3 °C
Average feels-like low
2.7 °C
Average peak gust
29.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
12.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.49 · 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
40.5 °C
28 June 2021
Coldest day
-22.5 °C
14 January 1950
Wettest day
157 mm
3 November 1955
Windiest day
34.9 km/h
15 January 1951
Strongest gust
111.2 km/h
8 January 1953
Hottest feels-like
44.4 °C
28 June 2021
Coldest feels-like
-28.0 °C
14 January 1950
Snowiest day
48.7 cm
1 January 1965
Sunniest day
15.8 h
16 June 2022
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 | 5.7 °C | +1.9 °C | 95 mm | -238 mm |
| Feb | 4.7 °C | -1.2 °C | 205 mm | -50 mm |
| Mar | 9.4 °C | +1.1 °C | 387 mm | +124 mm |
| Apr | 14.1 °C | +2.3 °C | 154 mm | -40 mm |
| May | 16.5 °C | +0.4 °C | 134 mm | -5 mm |
| Jun | 19.1 °C | +0.3 °C | 50 mm | -64 mm |
| Jul | 23.2 °C | +1.1 °C | 17 mm | -52 mm |
| Aug | 23.4 °C | +1.3 °C | 99 mm | +16 mm |
| Sep | 20.3 °C | +1.3 °C | 87 mm | -61 mm |
| Oct | 12.8 °C | -0.3 °C | 294 mm | -1 mm |
| Nov | 9.3 °C | +2.0 °C | 340 mm | -28 mm |
| Dec | 6.7 °C | +2.6 °C | 488 mm | +135 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 Willoughby?
Willoughby has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 8.7 °C and it receives 2,613 mm of precipitation per year.
What is the hottest day ever recorded in Willoughby?
The hottest day measured in Willoughby between 1940 and 2025 was 28 June 2021, reaching 40.5 °C.
What is the coldest day in Willoughby?
The coldest day measured in Willoughby between 1940 and 2025 was 14 January 1950, at -22.5 °C.
Does it snow in Willoughby?
Yes. Willoughby gets on average 217.7 cm of snow per year and has around 69 frost days.
Has the climate of Willoughby warmed?
Yes: Willoughby warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Willoughby?
The wettest day measured in Willoughby between 1940 and 2025 was 3 November 1955, with 157 mm of rain in 24 hours.
What was the windiest day in Willoughby?
The windiest day measured in Willoughby between 1940 and 2025 was 15 January 1951, with winds reaching 34.9 km/h.
What is the warmest month in Willoughby?
The warmest month in Willoughby is July (17.1 °C on average); the coldest is January (1.2 °C).
How much does it rain in Willoughby?
Willoughby receives on average 2,613 mm of precipitation per year, spread over about 184 rainy days.
Is it sunny in Willoughby?
Willoughby gets on average 8.2 hours of sunshine per day, roughly 2,993 hours per year over 1940-2025.
What is the biggest single-day snowfall in Willoughby?
The heaviest 24-hour snowfall measured in Willoughby between 1940 and 2025 was 1 January 1965, with 48.7 cm.
Are there tropical nights in Willoughby?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Willoughby.
What was the most extreme apparent temperature in Willoughby?
In Willoughby, between 1940 and 2025, the highest apparent temperature reached 44.4 °C on 28 June 2021, and the lowest was -28.0 °C on 14 January 1950.
Compare Willoughby with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Willoughby