Average Monthly Sunshine in Thornton (CO)

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

Monthly hours of sunshine

Sunshine in Thornton varies greatly throughout the year. The sunniest month, July, reaches an impressive 323 hours, while November, the darkest month, offers only 195 hours. The total annual amount of sun is 3100 hours.

Daily hours of sunshine

For those who appreciate different seasons, Thornton serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.8 hours of sunshine daily, and embrace the darker days in November, offering only 6.5 hours of daily sunlight.

Thornton’s total hours of sunshine compared to other major cities

Thornton enjoys an average of 3100 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, Brussels, UK, receives only about 1590 hours of sunshine per year, known for its frequently overcast and rainy skies.

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 2520 hours of sunshine annually.

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

Other climate information

May, Thornton’s wettest month, receives 51 mm of rainfall and has a maximum daytime temperature of 22°C. During the driest month January you can expect a temperature of 8°C.

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