Denver (CO) Sunshine Hours by Month

Sunshine plays a big role in understanding the climate of a city. This page shows the total number of hours of direct sunlight per month and the average hours per day in Denver, Colorado, United States of America. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.

Monthly hours of sunshine

Sunshine in Denver 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 3102 hours.

Daily hours of sunshine

For those who appreciate different seasons, Denver 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.

Average percent of sunshine

On average the sun shines 73% of the time during the day in September, the highest percentage of any month. May has the lowest percentage at 65%.

Denver enjoys an average of 3102 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, 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.

Stockholm, Sweden, receives approximately 1907 hours of sunshine annually.

Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.

May, Denver’s wettest month, receives 65 mm (2.6 in) of rainfall and has a maximum daytime temperature of 21°C (70°F). During the driest month January you can expect a temperature of 7°C (45°F).

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