Boulder City (NV) Sunshine Hours by Month

The amount of sunshine is fundamental to comprehending a place's climate. This page shows the total number of hours of direct sunlight per month and the average hours per day in Boulder City, Nevada, United States of America. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020.

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Boulder City. Expect long, bright days with 411 hours in June and darker periods with just 239 hours in January. The total annual amount of sun is 3838 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Boulder City. While June receives considerable daily sunshine with up to 13.7 hours, January marks the darkest time of the year, where sunshine is scarce with only 8.0 hours of sunlight per day.

Average percent of sunshine

On average the sun shines 92% of the time during the day in June, the highest percentage of any month. December has the lowest percentage at 78%.

Boulder City enjoys an average of 3838 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 contrast, London, UK, receives only about 1659 hours of sunshine per year, known for its frequently overcast and rainy skies.

In Shanghai, China, the annual average sunshine is 1780 hours, with cloudier weather in summer.

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

August, Boulder City’s wettest month, receives 11 mm (0.4 in) of rainfall and has a maximum daytime temperature of 39°C (102°F). During the driest month June you can expect a temperature of 38°C (100°F).

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