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Gananoque (ON) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Gananoque.
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Climate overview of Gananoque
Gananoque, 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.
Rain/snowfall is high, totalling around 1108 mm (44 in) per year. October is the wettest month and February the driest. The city also experiences warm summers and very cold winters. Sunshine peaks in July, when the city sees around 9.3 hours of sunshine per day.
Gananoque Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Gananoque - and find the best time to visit.
Monthly Temperature in Gananoque
Depending on the time of the year, temperatures range from comfortable to very cold in Gananoque. Average maximum daytime temperatures range from a comfortable 26°C (79°F) in July, the warmest time of the year, to a very cold -1°C (30°F) during cooler months like January.
At night, you can expect temperatures ranging from 18°C (64°F) in July to around -10°C (14°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Gananoque
Gananoque has a relatively rain/snowy climate with high precipitation levels, averaging 1108 mm (44 in) of rain/snowfall annually. Year-round, Gananoque has a balanced climate with minimal variation in precipitation. The difference between the wettest month, October, with 108 mm (4.3 in), and the driest month, February, with 72 mm (2.8 in), is minimal. For more details, please visit our Gananoque 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 Gananoque
Seasonal changes in sunshine hours are quite dramatic in Gananoque. While July receives considerable daily sunshine with up to 9.3 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.5 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Kingston, Canada (27 KM, 17 Miles).
Daily hours of sunshine
Data from: Kingston, Canada (27 KM, 17 Miles).
Daily percentage of sunshine
Data from: Kingston, Canada (27 KM, 17 Miles).
Best Time to Visit Gananoque
The most comfortable overall weather for exploring Gananoque is usually found in July, August and September. Conditions are generally least comfortable in January, February, March, April, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very cold
Feb
very cold
Mar
cold
Apr
wet
May
very good
Jun
very good
Jul
excellent
Aug
excellent
Sep
excellent
Oct
mixed
Nov
cold
Dec
cold
- Best overall: July, August and September
- Warmest weather: July and August
- Most sunshine: July
- Fewer rainy days: February, 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 Gananoque
What is the best time to visit Gananoque?
July, August and September typically offer the most optimal weather in Gananoque. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Gananoque has warm summers and very cold winters.
What temperatures can I expect in Gananoque?
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 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Gananoque get?
Annual rainfall is around 1108 mm (44 in). October is the wettest month with 108 mm (4.3 in), while February is the driest with 72 mm (2.8 in).
How sunny is Gananoque?
Gananoque 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.
Gananoque 3-Day Forecast
Gananoque on the map
Gananoque is highlighted - select any city to see its climate.
Popular in September
Where to go in September - average daytime high across popular destinations.
Toronto
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