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UV Index in Florence

UV index


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Today's UV index in Florence, Italy Italy will be up to 5, 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.


Today's tips

With a UV index reaching up to 5 in Florence, 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.

Florence's UV Index

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.

Weather Seasons

UV index

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.

Florence's Climate

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.

Annual Sun Radiation

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.


* This page's content about the UV index in Florence (Italy) 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.