Delta (CO) Sunshine Hours by Month

When exploring climate, sunlight hours tell an important story. This page shows the total number of hours of direct sunlight per month and the average hours per day in Delta, Colorado, United States of America. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020.

Monthly hours of sunshine

Sunshine in Delta varies greatly throughout the year. The sunniest month, June, reaches an impressive 357 hours, while December, the darkest month, offers only 181 hours. The total annual amount of sun is 3204 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Delta. While June receives considerable daily sunshine with up to 11.9 hours, December marks the darkest time of the year, where sunshine is scarce with only 6.0 hours of sunlight per day.

Delta enjoys an average of 3204 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, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.

Toronto, Canada, sees around 2071 hours of sunshine each year, with especially long, bright summer days.

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

September, Delta’s wettest month, receives 24 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 Delta Precipitation page.