Average Monthly Sunshine in Grand Junction (CO)

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

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Grand Junction. Expect long, bright days with 357 hours in June and darker periods with just 181 hours in December. The total annual amount of sun is 3191 hours.

Daily hours of sunshine

This means the city can be enjoyed more throughout the sunniest month of June under a blue sky, with approximately 11.9 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 6.0 hours of sunlight per day.

Grand Junction’s total hours of sunshine compared to other major cities

Grand Junction enjoys an average of 3191 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Athens, Greece, enjoys 2769 hours of sunshine each year, making it one of the sunniest destinations in the Mediterranean region.

In Chicago, USA, the annual sunshine averages 2520 hours, contributing to its humid continental climate.

Beijing, China, has 2505 hours of sunshine annually, with clear, sunny days in winter.

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

Other climate information

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

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.