Fergus climate — normals and trends
Fergus (Canada) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 6.5 °C and it receives 911 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 (19.6 °C on average) and the coldest is January (-7.2 °C). Rainfall peaks in June.
Fergus averages 154 frost days, 5 hot days (≥ 30 °C) and 138 rainy days per year.
Fergus has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The number of frost days there went from about 163 to 145 per year over the period.
The hottest day of the period reached 34.8 °C (on 14 July 1995) and the coldest -31.6 °C (on 14 February 2016).
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
FergusOntario
- coords
- 43.71°, -80.38°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
6.5°C
Average daily high
11.1°C
Average daily low
1.9°C
Annual rainfall
911mm
Sunshine / day
8.5h
Mean relative humidity
75%
Average peak wind
19.3km/h
Seasonal range
26.8°C
Frost days (< 0 °C)
154 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
138 d/yr
Annual snowfall
135.2 cm
Average feels-like high
8.4 °C
Average feels-like low
-1.6 °C
Average peak gust
41.3 km/h
Tropical nights (≥ 20 °C)
4 d/yr
Solar radiation
13.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.30 · 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
34.8 °C
14 July 1995
Coldest day
-31.6 °C
14 February 2016
Wettest day
81 mm
15 October 1954
Windiest day
50.4 km/h
6 April 1979
Strongest gust
111.2 km/h
6 April 1985
Hottest feels-like
38.5 °C
14 July 1995
Coldest feels-like
-36.9 °C
14 February 2016
Snowiest day
30.1 cm
25 February 1965
Sunniest day
15.0 h
14 June 1940
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 | -4.9 °C | -1.4 °C | 50 mm | -14 mm |
| Feb | -3.9 °C | -1.6 °C | 75 mm | +20 mm |
| Mar | 6.3 °C | +3.2 °C | 84 mm | +15 mm |
| Apr | 11.5 °C | +0.9 °C | 80 mm | -1 mm |
| May | 16.0 °C | -1.4 °C | 66 mm | -20 mm |
| Jun | 24.2 °C | +1.7 °C | 114 mm | +23 mm |
| Jul | 26.7 °C | +2.0 °C | 53 mm | -32 mm |
| Aug | 23.8 °C | +0.2 °C | 56 mm | -25 mm |
| Sep | 21.7 °C | +2.1 °C | 58 mm | -21 mm |
| Oct | 14.7 °C | +1.9 °C | 61 mm | -15 mm |
| Nov | 4.8 °C | -0.6 °C | 73 mm | -5 mm |
| Dec | -1.9 °C | -1.1 °C | 104 mm | +33 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 Fergus?
Fergus has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 6.5 °C and it receives 911 mm of precipitation per year.
What is the hottest day ever recorded in Fergus?
The hottest day measured in Fergus between 1940 and 2025 was 14 July 1995, reaching 34.8 °C.
What is the coldest day in Fergus?
The coldest day measured in Fergus between 1940 and 2025 was 14 February 2016, at -31.6 °C.
Does it snow in Fergus?
Yes. Fergus gets on average 135.2 cm of snow per year and has around 154 frost days.
Has the climate of Fergus warmed?
Yes: Fergus warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Fergus?
The wettest day measured in Fergus between 1940 and 2025 was 15 October 1954, with 81 mm of rain in 24 hours.
What was the windiest day in Fergus?
The windiest day measured in Fergus between 1940 and 2025 was 6 April 1979, with winds reaching 50.4 km/h.
What is the warmest month in Fergus?
The warmest month in Fergus is July (19.6 °C on average); the coldest is January (-7.2 °C).
How much does it rain in Fergus?
Fergus receives on average 911 mm of precipitation per year, spread over about 138 rainy days.
Is it sunny in Fergus?
Fergus gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.
What is the biggest single-day snowfall in Fergus?
The heaviest 24-hour snowfall measured in Fergus between 1940 and 2025 was 25 February 1965, with 30.1 cm.
Are there tropical nights in Fergus?
Yes: Fergus has on average 4 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Fergus?
In Fergus, between 1940 and 2025, the highest apparent temperature reached 38.5 °C on 14 July 1995, and the lowest was -36.9 °C on 14 February 2016.
Compare Fergus with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Fergus