Kingston climate — normals and trends
Kingston (Canada) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.8 °C and it receives 1,030 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 (21.8 °C on average) and the coldest is January (-6.7 °C). Rainfall peaks in July.
Kingston averages 122 frost days, 1 hot days (≥ 30 °C) and 136 rainy days per year.
Kingston has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The number of frost days there went from about 130 to 114 per year over the period.
The hottest day of the period reached 32.5 °C (on 13 August 1988) and the coldest -32.1 °C (on 16 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
KingstonOntario
- coords
- 44.23°, -76.48°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.8°C
Average daily high
11.2°C
Average daily low
4.5°C
Annual rainfall
1,030mm
Sunshine / day
8.7h
Mean relative humidity
76%
Average peak wind
18.9km/h
Seasonal range
28.5°C
Frost days (< 0 °C)
122 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
136 d/yr
Annual snowfall
124.6 cm
Average feels-like high
9.1 °C
Average feels-like low
1.4 °C
Average peak gust
38.4 km/h
Tropical nights (≥ 20 °C)
19 d/yr
Solar radiation
14.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.25 · 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
32.5 °C
13 August 1988
Coldest day
-32.1 °C
16 January 1994
Wettest day
110 mm
9 September 2004
Windiest day
54.0 km/h
16 October 1954
Strongest gust
111.2 km/h
13 November 1992
Hottest feels-like
38.3 °C
5 August 1955
Coldest feels-like
-37.9 °C
16 January 1994
Snowiest day
27.3 cm
16 February 2016
Sunniest day
15.1 h
21 June 1995
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 | -2.5 °C | +0.7 °C | 49 mm | -21 mm |
| Feb | -2.7 °C | -0.3 °C | 83 mm | +18 mm |
| Mar | 4.9 °C | +2.5 °C | 110 mm | +34 mm |
| Apr | 9.8 °C | +0.5 °C | 87 mm | -4 mm |
| May | 15.9 °C | -0.6 °C | 119 mm | +30 mm |
| Jun | 22.7 °C | +0.5 °C | 60 mm | -28 mm |
| Jul | 26.2 °C | +1.1 °C | 52 mm | -44 mm |
| Aug | 24.5 °C | +0.4 °C | 51 mm | -42 mm |
| Sep | 21.4 °C | +1.5 °C | 44 mm | -49 mm |
| Oct | 15.0 °C | +1.6 °C | 103 mm | +9 mm |
| Nov | 5.3 °C | -1.4 °C | 79 mm | -11 mm |
| Dec | -0.8 °C | -1.1 °C | 107 mm | +22 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 Kingston?
Kingston has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.8 °C and it receives 1,030 mm of precipitation per year.
What is the hottest day ever recorded in Kingston?
The hottest day measured in Kingston between 1940 and 2025 was 13 August 1988, reaching 32.5 °C.
What is the coldest day in Kingston?
The coldest day measured in Kingston between 1940 and 2025 was 16 January 1994, at -32.1 °C.
Does it snow in Kingston?
Yes. Kingston gets on average 124.6 cm of snow per year and has around 122 frost days.
Has the climate of Kingston warmed?
Yes: Kingston warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Kingston?
The wettest day measured in Kingston between 1940 and 2025 was 9 September 2004, with 110 mm of rain in 24 hours.
What was the windiest day in Kingston?
The windiest day measured in Kingston between 1940 and 2025 was 16 October 1954, with winds reaching 54.0 km/h.
What is the warmest month in Kingston?
The warmest month in Kingston is July (21.8 °C on average); the coldest is January (-6.7 °C).
How much does it rain in Kingston?
Kingston receives on average 1,030 mm of precipitation per year, spread over about 136 rainy days.
Is it sunny in Kingston?
Kingston gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
What is the biggest single-day snowfall in Kingston?
The heaviest 24-hour snowfall measured in Kingston between 1940 and 2025 was 16 February 2016, with 27.3 cm.
Are there tropical nights in Kingston?
Yes: Kingston has on average 19 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Kingston?
In Kingston, between 1940 and 2025, the highest apparent temperature reached 38.3 °C on 5 August 1955, and the lowest was -37.9 °C on 16 January 1994.
Compare Kingston with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Kingston