Grand Junction (CO) Sunshine Hours by Month

Sunshine is key to understanding how a place experiences its seasons. This page shows the total number of hours of direct sunlight per month and the average hours per day in Grand Junction, Colorado, United States of America. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

If you're visiting Grand Junction, timing is key. In June, you can enjoy up to 357 hours of sunshine, while the shorter days of December provide just 181 hours. The total annual amount of sun is 3204 hours.

Daily hours of sunshine

For those who appreciate different seasons, Grand Junction serves as an ideal destination. Expect longer, more sun-filled days in June with an average of 11.9 hours of sunshine daily, and embrace the darker days in December, offering only 6.0 hours of daily sunlight.

Grand Junction enjoys an average of 3204 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Seville, Spain, enjoys an impressive 2920 hours of sunshine per year, making it an ideal destination even in winter.

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

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

In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.

September, Grand Junction’s wettest month, receives 23 mm (0.9 in) of rainfall and has a maximum daytime temperature of 28°C (82°F). During the driest month June you can expect a temperature of 32°C (90°F).

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