UV Index
UV Index
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Today's UV index in Naples, Italy 
will be up to 4.8, 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 4.8 in Naples, 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 Naples, Italy, is typically high due to its sunny Mediterranean climate. On average, the UV index can reach levels of 8 or higher during the peak summer months.
Naples has a traditional Mediterranean climate with four distinct seasons. Spring (March to May) is mild and sees blooming flowers, while summer (June to August) is hot and humid. Autumn (September to November) is warm and sees occasional rainfall, and winter (December to February) is mild and rainy.
Compared to its region and neighboring countries, Naples is generally warmer and sunnier due to its southern Italian location. While the rest of Italy and some neighboring countries may experience cold winters, Naples has mild winters with temperatures rarely dropping below freezing. The city also receives more hours of sunlight year-round than much of Europe.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Naples. It's designed to provide you with a better understanding of the yearly weather and sun exposure.