Green Valley (AZ) 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 Green Valley, Arizona, United States of America. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.

Monthly hours of sunshine

Green Valley experiences sunny spells throughout the year. The sunniest month, May, sees up to 401 hours of sunshine, while December, the least sunny month, still provides a respectable 246 hours. The total annual sunshine amounts to 3806 hours.

Daily hours of sunshine

The difference in daily sunshine hours between May (13.4 hours per day) and December (8.2 hours per day) offers moderate variety for visitors and residents.

Average percent of sunshine

On average the sun shines 94% of the time during the day in May, the highest percentage of any month. July has the lowest percentage at 79%.

Green Valley enjoys an average of 3806 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.

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.

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 2520 hours of sunshine annually.

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

July, Green Valley’s wettest month, receives 7.5 mm (0.3 in) of rainfall and has a maximum daytime temperature of 37°C (99°F). During the driest month May 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 Green Valley Precipitation page.