Acton (ON) Sunshine Hours by Month

To truly understand a climate, we must look at its sunshine. This page shows the total number of hours of direct sunlight per month and the average hours per day in Acton, Ontario, Canada. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020.

Monthly hours of sunshine

Seasonal sunshine in Acton varies. It peaks at 295 hours in July and drops to 78 hours in January. The total annual amount of sun is 2184 hours.

Daily hours of sunshine

This means the city can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.8 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 2.6 hours of sunlight per day.

Average percent of sunshine

On average the sun shines 64% of the time during the day in August, the highest percentage of any month. January has the lowest percentage at 27%.

Acton enjoys an average of 2184 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.

In contrast, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.

Osaka, Japan, experiences 2010 hours of sunshine annually, with bright, sunny weather in spring and autumn.

In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.

June, Acton’s wettest month, receives 86 mm (3.4 in) of rainfall and has a maximum daytime temperature of 25°C (77°F). During the driest month February you can expect a temperature of 1°C (34°F).

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Acton Precipitation page.