Courtenay climate — normals and trends
Courtenay has a temperate oceanic climate, averaging 9.5 °C annually with 2,097 mm of rain per year.
Climate normals · ERA5
CourtenayBritish Columbia
- coords
- 49.69°, -124.99°
- period
- 1940–2025 · 86 yrs
The normals for this period
The average of every indicator across the whole window: temperature, water, sky, wind and notable days.
Mean daily temperature
9.5°C
Average daily high
12.1°C
Average daily low
7.2°C
Annual rainfall
2,097mm
Sunshine / day
8.0h
Mean relative humidity
80%
Average peak wind
12.6km/h
Seasonal range
14.3°C
Frost days (< 0 °C)
21 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
179 d/yr
Annual snowfall
147.4 cm
Average feels-like high
10.4 °C
Average feels-like low
5.0 °C
Average peak gust
27.5 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.8 MJ/m²
Has the climate changed?
What the yearly averages say about warming here, and whether the slope is statistically solid.
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.43 · 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).
Climate month by month
How an average year unfolds: when it rains, when it turns hot, when the sun is out.
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
The most extreme days ever measured here, then the year-by-year detail.
Hottest day
36.3 °C
28 June 2021
Coldest day
-16.9 °C
13 January 1950
Wettest day
111 mm
18 January 1968
Windiest day
47.2 km/h
12 November 2007
Strongest gust
107.6 km/h
12 November 2007
Hottest feels-like
38.6 °C
28 June 2021
Coldest feels-like
-24.3 °C
13 January 1950
Snowiest day
43.1 cm
7 February 1969
Sunniest day
15.7 h
20 June 2024
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and compare it with the normal: warmer, drier, more extreme?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 5.8 °C | +1.3 °C | 86 mm | -199 mm |
| Feb | 4.3 °C | -1.3 °C | 193 mm | -14 mm |
| Mar | 8.1 °C | +0.8 °C | 283 mm | +87 mm |
| Apr | 12.4 °C | +1.9 °C | 84 mm | -49 mm |
| May | 14.6 °C | -0.3 °C | 100 mm | +13 mm |
| Jun | 18.7 °C | +0.8 °C | 13 mm | -63 mm |
| Jul | 22.6 °C | +1.6 °C | 27 mm | -26 mm |
| Aug | 22.5 °C | +1.6 °C | 70 mm | +4 mm |
| Sep | 19.0 °C | +1.4 °C | 138 mm | +28 mm |
| Oct | 12.0 °C | -0.1 °C | 340 mm | +88 mm |
| Nov | 8.9 °C | +1.5 °C | 251 mm | -69 mm |
| Dec | 6.9 °C | +1.9 °C | 333 mm | +20 mm |
The year's extremes
What was the weather like that day?
The weather actually measured on a given date, anywhere in the covered window.
Climate at a glance
What these normals say about the place, in a few sentences, and the notions needed to read them.
Courtenay (Canada) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.5 °C and it receives 2,097 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 August (17.4 °C on average) and the coldest is January (3.1 °C). Rainfall peaks in November.
Courtenay averages 21 frost days, 1 hot days (≥ 30 °C) and 179 rainy days per year.
Courtenay 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 31 to 11 per year over the period.
The hottest day of the period reached 36.3 °C (on 28 June 2021) and the coldest -16.9 °C (on 13 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.
Compare Courtenay with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Courtenay
Other cities — Canada
Frequently asked questions
What is the climate of Courtenay?
Courtenay has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.5 °C and it receives 2,097 mm of precipitation per year.
What is the hottest day ever recorded in Courtenay?
The hottest day measured in Courtenay between 1940 and 2025 was 28 June 2021, reaching 36.3 °C.
What is the coldest day in Courtenay?
The coldest day measured in Courtenay between 1940 and 2025 was 13 January 1950, at -16.9 °C.
Does it snow in Courtenay?
Yes. Courtenay gets on average 147.4 cm of snow per year and has around 21 frost days.
Has the climate of Courtenay warmed?
Yes: Courtenay warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Courtenay?
The wettest day measured in Courtenay between 1940 and 2025 was 18 January 1968, with 111 mm of rain in 24 hours.
What was the windiest day in Courtenay?
The windiest day measured in Courtenay between 1940 and 2025 was 12 November 2007, with winds reaching 47.2 km/h.
What is the warmest month in Courtenay?
The warmest month in Courtenay is August (17.4 °C on average); the coldest is January (3.1 °C).
How much does it rain in Courtenay?
Courtenay receives on average 2,097 mm of precipitation per year, spread over about 179 rainy days.
Is it sunny in Courtenay?
Courtenay gets on average 8.0 hours of sunshine per day, roughly 2,920 hours per year over 1940-2025.
What is the biggest single-day snowfall in Courtenay?
The heaviest 24-hour snowfall measured in Courtenay between 1940 and 2025 was 7 February 1969, with 43.1 cm.
Are there tropical nights in Courtenay?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Courtenay.
What was the most extreme apparent temperature in Courtenay?
In Courtenay, between 1940 and 2025, the highest apparent temperature reached 38.6 °C on 28 June 2021, and the lowest was -24.3 °C on 13 January 1950.
These forecasts and records come from our own weather API. Developer documentation →