Casselman (ON) Sunshine Hours by Month

When exploring climate, sunlight hours tell an important story. This page shows the total number of hours of direct sunlight per month and the average hours per day in Casselman, Ontario, Canada. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

If you're visiting Casselman, timing is key. In July, you can enjoy up to 280 hours of sunshine, while the shorter days of December provide just 83 hours. The total annual amount of sun is 2087 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Casselman. 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 2.8 hours of sunlight per day.

Average percent of sunshine

On average the sun shines 59% of the time during the day in July, the highest percentage of any month. November has the lowest percentage at 29%.

Casselman enjoys an average of 2087 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Lisbon, Portugal, there are approximately 2801 hours of sunshine annually, highlighting its warm and sunny Mediterranean climate.

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

Oslo, Norway, receives approximately 1690 hours of sunshine annually.

Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.

June, Casselman’s wettest month, receives 104 mm (4.1 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 -2°C (28°F).

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