Burlington climate — normals and trends
Burlington (Canada) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.2 °C and it receives 887 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 (21.2 °C on average) and the coldest is January (-4.7 °C). Rainfall peaks in April.
Burlington averages 119 frost days, 4 hot days (≥ 30 °C) and 126 rainy days per year.
Burlington has warmed by +1.5 °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 131 to 107 per year over the period.
The hottest day of the period reached 34.5 °C (on 2 September 1953) and the coldest -26.1 °C (on 4 January 1981).
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
BurlingtonOntario
- coords
- 43.39°, -79.84°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.2°C
Average daily high
11.9°C
Average daily low
4.6°C
Annual rainfall
887mm
Sunshine / day
8.8h
Mean relative humidity
72%
Average peak wind
20.4km/h
Seasonal range
25.9°C
Frost days (< 0 °C)
119 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
126 d/yr
Annual snowfall
101.3 cm
Average feels-like high
9.5 °C
Average feels-like low
1.3 °C
Average peak gust
37.7 km/h
Tropical nights (≥ 20 °C)
13 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 = 0.27 · 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
34.5 °C
2 September 1953
Coldest day
-26.1 °C
4 January 1981
Wettest day
97 mm
15 October 1954
Windiest day
57.3 km/h
6 April 1979
Strongest gust
105.1 km/h
6 April 1985
Hottest feels-like
39.2 °C
14 July 1995
Coldest feels-like
-32.9 °C
15 February 2015
Snowiest day
27.1 cm
7 February 1942
Sunniest day
15.0 h
16 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 | -2.1 °C | -0.7 °C | 30 mm | -35 mm |
| Feb | -1.3 °C | -0.4 °C | 80 mm | +21 mm |
| Mar | 6.7 °C | +3.1 °C | 69 mm | -4 mm |
| Apr | 10.8 °C | +0.8 °C | 58 mm | -25 mm |
| May | 14.8 °C | -1.3 °C | 102 mm | +21 mm |
| Jun | 22.6 °C | +0.7 °C | 64 mm | -14 mm |
| Jul | 27.0 °C | +1.8 °C | 40 mm | -35 mm |
| Aug | 24.6 °C | -0.1 °C | 59 mm | -9 mm |
| Sep | 21.8 °C | +1.0 °C | 35 mm | -41 mm |
| Oct | 15.7 °C | +1.3 °C | 66 mm | -12 mm |
| Nov | 6.9 °C | -0.5 °C | 55 mm | -23 mm |
| Dec | 0.5 °C | -1.0 °C | 82 mm | +8 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 Burlington?
Burlington has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.2 °C and it receives 887 mm of precipitation per year.
What is the hottest day ever recorded in Burlington?
The hottest day measured in Burlington between 1940 and 2025 was 2 September 1953, reaching 34.5 °C.
What is the coldest day in Burlington?
The coldest day measured in Burlington between 1940 and 2025 was 4 January 1981, at -26.1 °C.
Does it snow in Burlington?
Yes. Burlington gets on average 101.3 cm of snow per year and has around 119 frost days.
Has the climate of Burlington warmed?
Yes: Burlington warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Burlington?
The wettest day measured in Burlington between 1940 and 2025 was 15 October 1954, with 97 mm of rain in 24 hours.
What was the windiest day in Burlington?
The windiest day measured in Burlington between 1940 and 2025 was 6 April 1979, with winds reaching 57.3 km/h.
What is the warmest month in Burlington?
The warmest month in Burlington is July (21.2 °C on average); the coldest is January (-4.7 °C).
How much does it rain in Burlington?
Burlington receives on average 887 mm of precipitation per year, spread over about 126 rainy days.
Is it sunny in Burlington?
Burlington 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 Burlington?
The heaviest 24-hour snowfall measured in Burlington between 1940 and 2025 was 7 February 1942, with 27.1 cm.
Are there tropical nights in Burlington?
Yes: Burlington has on average 13 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Burlington?
In Burlington, between 1940 and 2025, the highest apparent temperature reached 39.2 °C on 14 July 1995, and the lowest was -32.9 °C on 15 February 2015.
Compare Burlington with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Burlington