Glace Bay climate — normals and trends
Glace Bay (Canada) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 6.2 °C and it receives 1,346 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 (18.4 °C on average) and the coldest is February (-4.3 °C). Rainfall peaks in November.
Glace Bay averages 118 frost days, 0 hot days (≥ 30 °C) and 149 rainy days per year.
Glace Bay 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 130 to 106 per year over the period.
The hottest day of the period reached 28.2 °C (on 13 August 1944) and the coldest -24.4 °C (on 18 January 1982).
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
Glace BayNova Scotia
- coords
- 46.20°, -59.96°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
6.2°C
Average daily high
8.2°C
Average daily low
4.5°C
Annual rainfall
1,346mm
Sunshine / day
7.8h
Mean relative humidity
80%
Average peak wind
31.7km/h
Seasonal range
22.7°C
Frost days (< 0 °C)
118 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
149 d/yr
Annual snowfall
184.0 cm
Average feels-like high
4.6 °C
Average feels-like low
-0.5 °C
Average peak gust
43.9 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
12.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.39 · 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
13 August 1944
Coldest day
-24.4 °C
18 January 1982
Wettest day
118 mm
10 October 2016
Windiest day
94.6 km/h
24 September 2022
Strongest gust
136.1 km/h
29 September 1958
Hottest feels-like
31.1 °C
13 August 1944
Coldest feels-like
-35.9 °C
18 January 1982
Snowiest day
34.4 cm
4 February 2024
Sunniest day
15.6 h
13 June 1941
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 | 1.2 °C | +1.7 °C | 87 mm | -38 mm |
| Feb | -1.2 °C | +0.5 °C | 101 mm | -11 mm |
| Mar | 2.5 °C | +2.4 °C | 79 mm | -31 mm |
| Apr | 4.1 °C | +0.9 °C | 173 mm | +62 mm |
| May | 8.6 °C | +1.2 °C | 78 mm | -23 mm |
| Jun | 16.0 °C | +3.2 °C | 63 mm | -31 mm |
| Jul | 21.0 °C | +2.4 °C | 53 mm | -29 mm |
| Aug | 21.0 °C | +0.9 °C | 76 mm | -17 mm |
| Sep | 18.7 °C | +1.7 °C | 42 mm | -65 mm |
| Oct | 13.9 °C | +1.8 °C | 87 mm | -42 mm |
| Nov | 7.9 °C | +0.7 °C | 240 mm | +97 mm |
| Dec | 3.0 °C | +0.6 °C | 144 mm | +7 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 Glace Bay?
Glace Bay has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 6.2 °C and it receives 1,346 mm of precipitation per year.
What is the hottest day ever recorded in Glace Bay?
The hottest day measured in Glace Bay between 1940 and 2025 was 13 August 1944, reaching 28.2 °C.
What is the coldest day in Glace Bay?
The coldest day measured in Glace Bay between 1940 and 2025 was 18 January 1982, at -24.4 °C.
Does it snow in Glace Bay?
Yes. Glace Bay gets on average 184.0 cm of snow per year and has around 118 frost days.
Has the climate of Glace Bay warmed?
Yes: Glace Bay warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Glace Bay?
The wettest day measured in Glace Bay between 1940 and 2025 was 10 October 2016, with 118 mm of rain in 24 hours.
What was the windiest day in Glace Bay?
The windiest day measured in Glace Bay between 1940 and 2025 was 24 September 2022, with winds reaching 94.6 km/h.
What is the warmest month in Glace Bay?
The warmest month in Glace Bay is August (18.4 °C on average); the coldest is February (-4.3 °C).
How much does it rain in Glace Bay?
Glace Bay receives on average 1,346 mm of precipitation per year, spread over about 149 rainy days.
Is it sunny in Glace Bay?
Glace Bay gets on average 7.8 hours of sunshine per day, roughly 2,847 hours per year over 1940-2025.
What is the biggest single-day snowfall in Glace Bay?
The heaviest 24-hour snowfall measured in Glace Bay between 1940 and 2025 was 4 February 2024, with 34.4 cm.
Are there tropical nights in Glace Bay?
Yes: Glace Bay has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Glace Bay?
In Glace Bay, between 1940 and 2025, the highest apparent temperature reached 31.1 °C on 13 August 1944, and the lowest was -35.9 °C on 18 January 1982.
Compare Glace Bay with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Glace Bay