Napanee (ON) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Napanee.
Climate overview of Napanee
Temperatures in Napanee, Ontario, Canada, vary greatly throughout the year. July is the hottest month at 28°C (82°F), while January is the coldest at -1°C (30°F).
The city receives considerable rain/snowfall, with around 1040 mm (41 in) annually. April is the wettest month. July is the sunniest month, averaging 9.3 hours of sunshine per day.
Napanee Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Napanee — and find the best time to visit.
Monthly Temperature in Napanee
The climate in Napanee is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 28°C (82°F) in July to a very cold -1°C (30°F) in the coolest month, January.
Nights vary from 17°C (63°F) in July to around -11°C (12°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Napanee
Napanee has a notably wet climate with abundant precipitation, recording 1040 mm (41 in) of rain/snowfall per year. Precipitation levels in Napanee remain relatively steady throughout the year. April has the most rain, with 101 mm (4 in) over 11 days. In the driest month February, this drops slightly to 67 mm (2.6 in), making the city's climate fairly predictable. For more details, please visit our Napanee 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 Napanee
For those who appreciate different seasons, Napanee serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.3 hours of sunshine daily, and embrace the darker days in December, offering only 2.5 hours of daily sunlight.
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 Napanee
Frequently asked questions about the climate in Napanee
What is the best time to visit Napanee?
May, June, July, August and September typically offer the most optimal weather in Napanee. In contrast, January, February, March, April, November and December tend to have less optimal conditions.
What temperatures can I expect in Napanee?
Daytime highs range from -1°C (30°F) in January to 28°C (82°F) in July. Nighttime lows range from -11°C (12°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Napanee get?
Annual rainfall is around 1040 mm (41 in). April is the wettest month with 101 mm (4 in), while February is the driest with 67 mm (2.6 in).
How sunny is Napanee?
Napanee 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.
Napanee 3-Day Forecast
Napanee (ON) 3-Day Forecast
Napanee on the map
Napanee is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
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19°C (66°F) 
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