Kingston (ON) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Kingston.
Climate overview of Kingston
Kingston, Ontario, Canada, experiences significant temperature variation throughout the year. Summers bring daytime highs of 26°C (79°F) in July, while winters cool to -1°C (30°F) in January.
With around 1131 mm (45 in) of annual rain/snowfall, Kingston has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has warm summers and very cold winters. The wettest month is October. The sunniest month is July, with 9.3 hours of sunshine per day on average.
Kingston Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kingston - and find the best time to visit.
Monthly Temperature in Kingston
Depending on the time of the year, temperatures range from comfortable to very cold in Kingston. Average daytime temperatures reach a comfortable 26°C (79°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -1°C (30°F).
At night, temperatures range from around 19°C (66°F) in July to -10°C (14°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Kingston
Kingston has a relatively rain/snowy climate with high precipitation levels, averaging 1131 mm (45 in) of rain/snowfall annually. Despite minor fluctuations, Kingston enjoys fairly consistent precipitation throughout the year. In October, you can expect around 109 mm (4.3 in) of precipitation, while in February, Kingston receives about 72 mm (2.8 in). For more details, please visit our Kingston Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Kingston
Kingston can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.3 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.5 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Best Time to Visit Kingston
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August and September
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: June, July, August and September
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -10°C (14°F).
Frequently asked questions about the climate in Kingston
What is the best time to visit Kingston?
May, June, July, August and September typically offer the most optimal weather in Kingston. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Kingston has warm summers and very cold winters.
What temperatures can I expect in Kingston?
Daytime highs range from -1°C (30°F) in January to 26°C (79°F) in July. Nighttime lows range from -10°C (14°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does Kingston get?
Annual rainfall is around 1131 mm (45 in). October is the wettest month with 109 mm (4.3 in), while February is the driest with 72 mm (2.8 in).
How sunny is Kingston?
Kingston receives around 1,971 hours of sunshine per year. July is the sunniest month with 280 hours, while December is the cloudiest with just 75 hours.
Kingston 3-Day Forecast
Kingston on the map
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