Mount Pearl climate — normals and trends
Mount Pearl (Canada) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 5.3 °C and it receives 1,130 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 (15.7 °C on average) and the coldest is February (-3.9 °C). Rainfall peaks in January.
Mount Pearl averages 134 frost days, 0 hot days (≥ 30 °C) and 151 rainy days per year.
Mount Pearl has warmed by +0.9 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.
The hottest day of the period reached 28.2 °C (on 12 August 2025) and the coldest -23.0 °C (on 18 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
Mount PearlNewfoundland and Labrador
- coords
- 47.52°, -52.78°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.3°C
Average daily high
8.1°C
Average daily low
2.7°C
Annual rainfall
1,130mm
Sunshine / day
6.7h
Mean relative humidity
82%
Average peak wind
27.4km/h
Seasonal range
19.6°C
Frost days (< 0 °C)
134 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
151 d/yr
Annual snowfall
204.0 cm
Average feels-like high
4.5 °C
Average feels-like low
-1.9 °C
Average peak gust
51.5 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.13 · 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
28.2 °C
12 August 2025
Coldest day
-23.0 °C
18 February 1990
Wettest day
109 mm
15 September 1948
Windiest day
82.0 km/h
11 September 2021
Strongest gust
154.8 km/h
11 September 2021
Hottest feels-like
30.3 °C
17 July 1972
Coldest feels-like
-31.6 °C
3 February 1990
Snowiest day
40.6 cm
17 January 2020
Sunniest day
15.1 h
25 June 2021
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 | 1.1 °C | +1.4 °C | 97 mm | -24 mm |
| Feb | -0.9 °C | +0.1 °C | 110 mm | +3 mm |
| Mar | 3.8 °C | +3.0 °C | 63 mm | -40 mm |
| Apr | 5.6 °C | +1.3 °C | 123 mm | +38 mm |
| May | 9.2 °C | +0.7 °C | 46 mm | -25 mm |
| Jun | 17.0 °C | +4.0 °C | 59 mm | -10 mm |
| Jul | 21.0 °C | +3.0 °C | 68 mm | -4 mm |
| Aug | 20.4 °C | +1.7 °C | 66 mm | -15 mm |
| Sep | 16.8 °C | +1.4 °C | 43 mm | -49 mm |
| Oct | 11.4 °C | +0.8 °C | 47 mm | -55 mm |
| Nov | 7.1 °C | +0.7 °C | 189 mm | +77 mm |
| Dec | 2.8 °C | +0.5 °C | 213 mm | +97 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 Mount Pearl?
Mount Pearl has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 5.3 °C and it receives 1,130 mm of precipitation per year.
What is the hottest day ever recorded in Mount Pearl?
The hottest day measured in Mount Pearl between 1940 and 2025 was 12 August 2025, reaching 28.2 °C.
What is the coldest day in Mount Pearl?
The coldest day measured in Mount Pearl between 1940 and 2025 was 18 February 1990, at -23.0 °C.
Does it snow in Mount Pearl?
Yes. Mount Pearl gets on average 204.0 cm of snow per year and has around 134 frost days.
Has the climate of Mount Pearl warmed?
Yes: Mount Pearl warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mount Pearl?
The wettest day measured in Mount Pearl between 1940 and 2025 was 15 September 1948, with 109 mm of rain in 24 hours.
What was the windiest day in Mount Pearl?
The windiest day measured in Mount Pearl between 1940 and 2025 was 11 September 2021, with winds reaching 82.0 km/h.
What is the warmest month in Mount Pearl?
The warmest month in Mount Pearl is August (15.7 °C on average); the coldest is February (-3.9 °C).
How much does it rain in Mount Pearl?
Mount Pearl receives on average 1,130 mm of precipitation per year, spread over about 151 rainy days.
Is it sunny in Mount Pearl?
Mount Pearl 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 Mount Pearl?
The heaviest 24-hour snowfall measured in Mount Pearl between 1940 and 2025 was 17 January 2020, with 40.6 cm.
Are there tropical nights in Mount Pearl?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Mount Pearl.
What was the most extreme apparent temperature in Mount Pearl?
In Mount Pearl, between 1940 and 2025, the highest apparent temperature reached 30.3 °C on 17 July 1972, and the lowest was -31.6 °C on 3 February 1990.
Compare Mount Pearl with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mount Pearl