Windsor (ON) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Windsor.
Climate overview of Windsor
Windsor, Ontario, Canada, sees big temperature differences between seasons, with July peaking at 26°C (79°F) and January dropping to 0°C (32°F).
Windsor sees a moderate amount of rain/snowfall, totalling around 910 mm (36 in) per year. It experiences warm summers and very cold winters, creating some seasonal variation. The most sunshine falls in July, with an average of 9.8 hours of daily sunshine.
Windsor Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Windsor - and find the best time to visit.
Monthly Temperature in Windsor
Visitors to Windsor can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 26°C (79°F) in July, the warmest time of the year, to a very cold 0°C (32°F) during cooler months like January.
At night, you can expect temperatures ranging from 17°C (63°F) in July to around -7°C (19°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Windsor
Generally, Windsor experiences moderate precipitation patterns, averaging 910 mm (36 in) yearly. While rainfall varies throughout the year, each season offers its own charm. July brings wetter days averaging 100 mm (3.9 in) of precipitation, spread over 12 rainy days.
In contrast, the driest month February experiences a drier climate, with about 56 mm (2.2 in) of snow/rainfall spread across 11 snowy/rainy days. For more details, please visit our Windsor 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 Windsor
Seasonal changes in sunshine hours are quite dramatic in Windsor. While July receives considerable daily sunshine with up to 9.8 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.7 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Windsor by Month
The relative humidity is moderate throughout the year in Windsor.
The city experiences its highest humidity in December, reaching 70%. In April, the humidity drops to its lowest level at 52%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Windsor
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, August and September
- Warmest weather: July and August
- Most sunshine: July
- Fewer rainy days: February, March, August, September and November
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -7°C (19°F).
Frequently asked questions about the climate in Windsor
What is the best time to visit Windsor?
May, June, August and September typically offer the most optimal weather in Windsor. In contrast, January, February, March, November and December tend to have less optimal conditions. Windsor has warm summers and very cold winters.
What temperatures can I expect in Windsor?
Daytime highs range from 0°C (32°F) in January to 26°C (79°F) in July. Nighttime lows range from -7°C (19°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Windsor get?
Annual rainfall is around 910 mm (36 in). July is the wettest month with 100 mm (3.9 in), while February is the driest with 56 mm (2.2 in).
How sunny is Windsor?
Windsor receives around 2,282 hours of sunshine per year. July is the sunniest month with 293 hours, while December is the cloudiest with just 82 hours. Overall, Windsor enjoys abundant sunshine.
Windsor 3-Day Forecast
Windsor on the map
Windsor is highlighted - select any city to see its climate.
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