UV Index
UV Index
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Today's UV index in Florence, Italy 
will be up to 6.1, indicating a 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.
With Florence's UV index reaching 6.1, protect your skin from harm by staying in shade, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours between 10 a.m. and 4 p.m., when UV rays are strongest.
The UV index in Florence, Italy, can reach high levels during the summer months, with a maximum index of 8 or 9. In the winter, the UV index is much lower, typically around 2 or 3.
Florence has four distinct seasons. Spring (March to May) is mild and wet, with temperatures ranging from 10°C to 20°C. Summer (June to August) is hot and dry, with temperatures often exceeding 30°C. Autumn (September to November) is cool and crisp, with temperatures between 15°C and 25°C. Winter (December to February) is chilly and damp, with temperatures rarely dropping below freezing.
Compared to its region and neighboring countries, Florence has a Mediterranean climate, with hot, dry summers and mild, wet winters. Inland areas of Tuscany, such as Siena and San Gimignano, are slightly cooler and drier than Florence. Nearby countries, such as Switzerland and Austria, have a continental climate with hotter summers and colder winters, while France and Spain have a more temperate climate.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Florence. It's designed to provide you with a better understanding of the yearly weather and sun exposure.