Average Monthly Sunshine in Rowland Heights (CA)

The graphs on this page shows the average number of hours per month and per day that Rowland Heights receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine

If you're visiting Rowland Heights, timing is key. In July, you can enjoy up to 369 hours of sunshine, while the shorter days of January provide just 198 hours. The total annual amount of sun is 3279 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Rowland Heights. While July receives considerable daily sunshine with up to 12.3 hours, January marks the darkest time of the year, where sunshine is scarce with only 6.6 hours of sunlight per day.

Rowland Heights’s total hours of sunshine compared to other major cities

Rowland Heights enjoys an average of 3279 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, Juneau, Alaska, receives only about 1523 hours of sunshine per year and is known for its very short days in winter and frequently overcast conditions.

Vancouver, Canada, receives approximately 1940 hours of sunshine annually.

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

Other climate information

December, Rowland Heights’s wettest month, receives 0.2 mm of rainfall and has a maximum daytime temperature of 20°C. During the driest month August you can expect a temperature of 34°C.

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