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UV Index in Phoenix

UV index


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Today's UV index in Phoenix, United States United States will be up to 10.5, indicating a very high level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.


Today's tips

With a UV index of 10.5 in Phoenix, it's crucial to safeguard your skin from harmful UV rays. Protect yourself by minimizing sun exposure, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours.

Phoenix's UV Index

Phoenix, Arizona has some of the highest UV index readings in the United States, with levels often exceeding 10 on a daily basis, especially in the summer months. This is due to the city's desert location and clear skies, allowing for intense sunlight.

Weather Seasons

UV index

Phoenix has two main seasons: a hot, dry summer and a mild, wet winter. Summer temperatures can exceed 100°F (38°C) from June to September, with little rainfall. Winters are mild, with temperatures ranging from 40-75°F (4-24°C), and occasional rain showers.

Phoenix's Climate

Compared to its region and neighboring countries, Phoenix is unique for its hot, arid climate. While much of the southwestern United States and Mexico share similar desert conditions, Phoenix's summer temperatures are consistently higher due to its inland location and higher elevation. The city's dry climate also differs from the humid conditions found in southern Texas and Central America.

Annual Sun Radiation

The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Phoenix. It's designed to provide you with a better understanding of the yearly weather and sun exposure.


* This page's content about the UV index in Phoenix (United States) is for educational and informational purposes only. The developers and data providers are not liable for the accuracy, reliability, or availability of the information. The information is not a substitute for professional medical advice, and the developers and data providers are not medical professionals. Seek advice from a qualified health provider for any medical concerns, and do not disregard medical advice or delay seeking it based on the information provided on this site.