Ancaster (ON) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Ancaster.
Climate overview of Ancaster
Ancaster, Ontario, Canada, sees big temperature differences between seasons, with July peaking at 28°C (82°F) and January dropping to 0°C (32°F).
The city receives around 969 mm (38 in) of rain/snowfall per year. It experiences warm summers and very cold winters. June is the wettest month and February the driest. The sunniest month is July, with 10.2 hours of sunshine per day on average.
Ancaster Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ancaster - and find the best time to visit.
Monthly Temperature in Ancaster
Visitors to Ancaster can expect significant temperature changes throughout the year. On average, daytime temperatures range from a comfortable 28°C (82°F) in July to a very cold 0°C (32°F) in January.
Nighttime temperatures range from 16°C (61°F) in July to -9°C (16°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Ancaster
Generally, Ancaster experiences moderate precipitation patterns, averaging 969 mm (38 in) yearly. The wettest period in Ancaster occurs in June, which receives around 100 mm (3.9 in) of precipitation. During the driest month, February, Ancaster experiences moderate snowfall, totaling 64 mm (2.5 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Ancaster 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 Ancaster
In Ancaster, summer days are longer and more sunny, with daily sunshine hours peaking at 10.2 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 2.4 hours per average 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 Ancaster
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, July, August and September
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -9°C (16°F).
Frequently asked questions about the climate in Ancaster
What is the best time to visit Ancaster?
May, July, August and September typically offer the most optimal weather in Ancaster. In contrast, January, February, March, November and December tend to have less optimal conditions. Ancaster has warm summers and very cold winters.
What temperatures can I expect in Ancaster?
Daytime highs range from 0°C (32°F) in January to 28°C (82°F) in July. Nighttime lows range from -9°C (16°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Ancaster get?
Annual rainfall is around 969 mm (38 in). June is the wettest month with 100 mm (3.9 in), while February is the driest with 64 mm (2.5 in).
How sunny is Ancaster?
Ancaster receives around 2,120 hours of sunshine per year. July is the sunniest month with 305 hours, while December is the cloudiest with just 72 hours. Overall, Ancaster enjoys abundant sunshine.
Ancaster 3-Day Forecast
Ancaster on the map
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