UV Index
UV Index
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Today's UV index in Scottsdale, United States 
will be up to 3.9, indicating a moderate 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.
With a UV index reaching up to 3.9 in Scottsdale, stay shaded during midday when the sun is strongest; wear protective clothing, a wide-brimmed hat, UV-blocking sunglasses; apply SPF 30+ sunscreen every 2 hours, even on cloudy days; and be cautious of heightened UV on bright surfaces.
The UV index in Scottsdale, USA is consistently high due to its desert climate and location in the Sun Belt. On average, the UV index ranges from 6 to 10 during the summer months, and 3 to 6 during the winter months.
Scottsdale experiences two main seasons: a hot, dry summer and a mild, slightly wet winter. Summer temperatures often exceed 100°F (38°C), while winter temperatures rarely drop below 40°F (5°C). The city receives most of its annual precipitation during the winter months.
Compared to its region and neighboring countries, Scottsdale's climate is distinctly arid and hot. In contrast to the humid subtropical climates of the southeastern United States and coastal Mexico, Scottsdale's desert climate is characterized by low humidity, abundant sunshine, and significant temperature fluctuations between day and night.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Scottsdale. It's designed to provide you with a better understanding of the yearly weather and sun exposure.