Mimico climate — normals and trends
Mimico (Canada) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.6 °C and it receives 921 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 (21.5 °C on average) and the coldest is February (-3.9 °C). Rainfall peaks in November.
Mimico averages 103 frost days, 1 hot days (≥ 30 °C) and 124 rainy days per year.
Mimico has warmed by +1.5 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The number of frost days there went from about 117 to 89 per year over the period.
The hottest day of the period reached 33.3 °C (on 2 September 1953) and the coldest -24.4 °C (on 17 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
MimicoOntario
- coords
- 43.62°, -79.51°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.6°C
Average daily high
11.4°C
Average daily low
6.0°C
Annual rainfall
921mm
Sunshine / day
8.8h
Mean relative humidity
74%
Average peak wind
23.8km/h
Seasonal range
25.4°C
Frost days (< 0 °C)
103 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
124 d/yr
Annual snowfall
95.5 cm
Average feels-like high
8.8 °C
Average feels-like low
2.4 °C
Average peak gust
36.6 km/h
Tropical nights (≥ 20 °C)
25 d/yr
Solar radiation
14.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.23 · 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
33.3 °C
2 September 1953
Coldest day
-24.4 °C
17 January 1982
Wettest day
105 mm
15 October 1954
Windiest day
62.7 km/h
6 April 1979
Strongest gust
101.2 km/h
26 January 1978
Hottest feels-like
37.4 °C
27 July 1955
Coldest feels-like
-33.6 °C
17 January 1982
Snowiest day
27.0 cm
7 February 1942
Sunniest day
15.0 h
20 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 | -1.1 °C | -0.5 °C | 34 mm | -41 mm |
| Feb | -0.4 °C | +0.3 °C | 81 mm | +17 mm |
| Mar | 6.0 °C | +3.3 °C | 78 mm | -1 mm |
| Apr | 8.7 °C | +0.6 °C | 59 mm | -28 mm |
| May | 12.9 °C | -0.7 °C | 112 mm | +31 mm |
| Jun | 20.4 °C | +0.5 °C | 44 mm | -27 mm |
| Jul | 25.7 °C | +1.7 °C | 37 mm | -29 mm |
| Aug | 24.2 °C | 0.0 °C | 63 mm | +0 mm |
| Sep | 20.8 °C | +0.1 °C | 31 mm | -47 mm |
| Oct | 15.6 °C | +1.0 °C | 67 mm | -19 mm |
| Nov | 7.5 °C | -0.5 °C | 61 mm | -28 mm |
| Dec | 1.5 °C | -1.0 °C | 88 mm | +3 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 Mimico?
Mimico has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.6 °C and it receives 921 mm of precipitation per year.
What is the hottest day ever recorded in Mimico?
The hottest day measured in Mimico between 1940 and 2025 was 2 September 1953, reaching 33.3 °C.
What is the coldest day in Mimico?
The coldest day measured in Mimico between 1940 and 2025 was 17 January 1982, at -24.4 °C.
Does it snow in Mimico?
Yes. Mimico gets on average 95.5 cm of snow per year and has around 103 frost days.
Has the climate of Mimico warmed?
Yes: Mimico warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mimico?
The wettest day measured in Mimico between 1940 and 2025 was 15 October 1954, with 105 mm of rain in 24 hours.
What was the windiest day in Mimico?
The windiest day measured in Mimico between 1940 and 2025 was 6 April 1979, with winds reaching 62.7 km/h.
What is the warmest month in Mimico?
The warmest month in Mimico is August (21.5 °C on average); the coldest is February (-3.9 °C).
How much does it rain in Mimico?
Mimico receives on average 921 mm of precipitation per year, spread over about 124 rainy days.
Is it sunny in Mimico?
Mimico gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.
What is the biggest single-day snowfall in Mimico?
The heaviest 24-hour snowfall measured in Mimico between 1940 and 2025 was 7 February 1942, with 27.0 cm.
Are there tropical nights in Mimico?
Yes: Mimico has on average 25 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Mimico?
In Mimico, between 1940 and 2025, the highest apparent temperature reached 37.4 °C on 27 July 1955, and the lowest was -33.6 °C on 17 January 1982.
Compare Mimico with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mimico