Leamington climate — normals and trends
Leamington (Canada) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 9.7 °C and it receives 986 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 (23.6 °C on average) and the coldest is February (-4.1 °C). Rainfall peaks in June.
Leamington averages 98 frost days, 3 hot days (≥ 30 °C) and 130 rainy days per year.
Leamington has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The number of frost days there went from about 113 to 83 per year over the period.
The hottest day of the period reached 33.3 °C (on 7 July 2012) and the coldest -27.7 °C (on 19 January 1994).
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
LeamingtonOntario
- coords
- 42.05°, -82.60°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.7°C
Average daily high
12.0°C
Average daily low
7.9°C
Annual rainfall
986mm
Sunshine / day
9.1h
Mean relative humidity
76%
Average peak wind
31.1km/h
Seasonal range
27.7°C
Frost days (< 0 °C)
98 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
130 d/yr
Annual snowfall
78.5 cm
Average feels-like high
9.1 °C
Average feels-like low
3.6 °C
Average peak gust
42.7 km/h
Tropical nights (≥ 20 °C)
66 d/yr
Solar radiation
15.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.18 · 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
7 July 2012
Coldest day
-27.7 °C
19 January 1994
Wettest day
92 mm
9 August 2007
Windiest day
83.9 km/h
26 January 1978
Strongest gust
117.0 km/h
6 April 1979
Hottest feels-like
39.6 °C
7 July 2012
Coldest feels-like
-37.1 °C
20 January 1985
Snowiest day
23.9 cm
2 December 1974
Sunniest day
15.0 h
15 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 | -1.4 °C | +0.1 °C | 51 mm | -18 mm |
| Feb | -0.3 °C | +1.0 °C | 59 mm | -4 mm |
| Mar | 6.1 °C | +4.1 °C | 70 mm | -9 mm |
| Apr | 9.1 °C | +1.0 °C | 102 mm | +9 mm |
| May | 14.3 °C | -2.5 °C | 113 mm | +20 mm |
| Jun | 22.2 °C | -1.1 °C | 58 mm | -39 mm |
| Jul | 25.9 °C | +0.1 °C | 75 mm | -14 mm |
| Aug | 23.9 °C | -0.9 °C | 34 mm | -50 mm |
| Sep | 21.5 °C | +0.4 °C | 42 mm | -33 mm |
| Oct | 16.3 °C | +1.8 °C | 71 mm | -4 mm |
| Nov | 8.2 °C | +0.3 °C | 65 mm | -24 mm |
| Dec | 1.6 °C | -0.4 °C | 93 mm | +11 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 Leamington?
Leamington has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 9.7 °C and it receives 986 mm of precipitation per year.
What is the hottest day ever recorded in Leamington?
The hottest day measured in Leamington between 1940 and 2025 was 7 July 2012, reaching 33.3 °C.
What is the coldest day in Leamington?
The coldest day measured in Leamington between 1940 and 2025 was 19 January 1994, at -27.7 °C.
Does it snow in Leamington?
Yes. Leamington gets on average 78.5 cm of snow per year and has around 98 frost days.
Has the climate of Leamington warmed?
Yes: Leamington warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Leamington?
The wettest day measured in Leamington between 1940 and 2025 was 9 August 2007, with 92 mm of rain in 24 hours.
What was the windiest day in Leamington?
The windiest day measured in Leamington between 1940 and 2025 was 26 January 1978, with winds reaching 83.9 km/h.
What is the warmest month in Leamington?
The warmest month in Leamington is July (23.6 °C on average); the coldest is February (-4.1 °C).
How much does it rain in Leamington?
Leamington receives on average 986 mm of precipitation per year, spread over about 130 rainy days.
Is it sunny in Leamington?
Leamington gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.
What is the biggest single-day snowfall in Leamington?
The heaviest 24-hour snowfall measured in Leamington between 1940 and 2025 was 2 December 1974, with 23.9 cm.
Are there tropical nights in Leamington?
Yes: Leamington has on average 66 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Leamington?
In Leamington, between 1940 and 2025, the highest apparent temperature reached 39.6 °C on 7 July 2012, and the lowest was -37.1 °C on 20 January 1985.
Compare Leamington with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Leamington