Corner Brook climate — normals and trends
Corner Brook (Canada) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 3.6 °C and it receives 1,265 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 (15.5 °C on average) and the coldest is February (-8.2 °C). Rainfall peaks in November.
Corner Brook averages 162 frost days, 0 hot days (≥ 30 °C) and 184 rainy days per year.
Corner Brook has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 170 to 154 per year over the period.
The hottest day of the period reached 29.6 °C (on 9 July 1952) and the coldest -30.2 °C (on 5 February 1990).
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
Corner BrookNewfoundland and Labrador
- coords
- 48.95°, -57.95°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
3.6°C
Average daily high
6.8°C
Average daily low
0.7°C
Annual rainfall
1,265mm
Sunshine / day
6.7h
Mean relative humidity
81%
Average peak wind
17.5km/h
Seasonal range
23.7°C
Frost days (< 0 °C)
162 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
184 d/yr
Annual snowfall
328.5 cm
Average feels-like high
3.9 °C
Average feels-like low
-3.0 °C
Average peak gust
45.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.29 · 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
29.6 °C
9 July 1952
Coldest day
-30.2 °C
5 February 1990
Wettest day
110 mm
7 August 1983
Windiest day
45.0 km/h
22 September 1955
Strongest gust
132.8 km/h
24 January 1963
Hottest feels-like
31.8 °C
9 July 1952
Coldest feels-like
-36.9 °C
3 February 1990
Snowiest day
35.2 cm
6 February 2015
Sunniest day
15.9 h
17 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | -1.4 °C | +3.1 °C | 94 mm | -26 mm |
| Feb | -4.5 °C | +0.2 °C | 121 mm | +21 mm |
| Mar | 1.6 °C | +2.7 °C | 99 mm | +7 mm |
| Apr | 4.6 °C | +0.8 °C | 128 mm | +48 mm |
| May | 10.8 °C | +1.5 °C | 75 mm | -2 mm |
| Jun | 16.6 °C | +2.3 °C | 79 mm | -7 mm |
| Jul | 20.7 °C | +2.3 °C | 133 mm | +33 mm |
| Aug | 20.7 °C | +2.0 °C | 80 mm | -35 mm |
| Sep | 16.9 °C | +2.0 °C | 84 mm | -26 mm |
| Oct | 12.7 °C | +3.4 °C | 54 mm | -67 mm |
| Nov | 5.1 °C | +0.9 °C | 242 mm | +107 mm |
| Dec | -0.3 °C | +0.8 °C | 200 mm | +71 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 Corner Brook?
Corner Brook has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 3.6 °C and it receives 1,265 mm of precipitation per year.
What is the hottest day ever recorded in Corner Brook?
The hottest day measured in Corner Brook between 1940 and 2025 was 9 July 1952, reaching 29.6 °C.
What is the coldest day in Corner Brook?
The coldest day measured in Corner Brook between 1940 and 2025 was 5 February 1990, at -30.2 °C.
Does it snow in Corner Brook?
Yes. Corner Brook gets on average 328.5 cm of snow per year and has around 162 frost days.
Has the climate of Corner Brook warmed?
Yes: Corner Brook warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Corner Brook?
The wettest day measured in Corner Brook between 1940 and 2025 was 7 August 1983, with 110 mm of rain in 24 hours.
What was the windiest day in Corner Brook?
The windiest day measured in Corner Brook between 1940 and 2025 was 22 September 1955, with winds reaching 45.0 km/h.
What is the warmest month in Corner Brook?
The warmest month in Corner Brook is August (15.5 °C on average); the coldest is February (-8.2 °C).
How much does it rain in Corner Brook?
Corner Brook receives on average 1,265 mm of precipitation per year, spread over about 184 rainy days.
Is it sunny in Corner Brook?
Corner Brook gets on average 6.7 hours of sunshine per day, roughly 2,446 hours per year over 1940-2025.
What is the biggest single-day snowfall in Corner Brook?
The heaviest 24-hour snowfall measured in Corner Brook between 1940 and 2025 was 6 February 2015, with 35.2 cm.
Are there tropical nights in Corner Brook?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Corner Brook.
What was the most extreme apparent temperature in Corner Brook?
In Corner Brook, between 1940 and 2025, the highest apparent temperature reached 31.8 °C on 9 July 1952, and the lowest was -36.9 °C on 3 February 1990.
Compare Corner Brook with another city
Pick a second city: its normals will be set against these, indicator by indicator.