Oshawa (ON) Sunshine Hours by Month

In climate discussions, the hours of sunlight reveal much about a location. This page shows the total number of hours of direct sunlight per month and the average hours per day in Oshawa, Ontario, Canada. These averages rely on historical data collected over 30 years, from 1990 to 2020.

Monthly hours of sunshine

If you're visiting Oshawa, timing is key. In July, you can enjoy up to 280 hours of sunshine, while the shorter days of December provide just 78 hours. The total annual amount of sun is 2070 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Oshawa. 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 2.6 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. December has the lowest percentage at 28%.

Oshawa enjoys an average of 2070 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.

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

In Seoul, South Korea, there are approximately 2133 hours of sunshine per year, mostly during spring and autumn.

In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.

April, Oshawa’s wettest month, receives 82 mm (3.2 in) of rainfall and has a maximum daytime temperature of 11°C (52°F). During the driest month February you can expect a temperature of 0°C (32°F).

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