Today, the UV index suggests low sun danger (0-2) in Florence, reaching up to 1.3. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.
Read more here about the climate and sun exposure in and around Florence.
The UV index in Florence, Italy can vary throughout the year. In summer (June-August), the UV index is typically high, ranging from 7 to 9 (high to very high), meaning it only takes a short amount of time for sunburn to occur. In spring (March-May) and autumn (September-November), the UV index is moderate, ranging from 4 to 6 (moderate to high). In winter (December-February), the UV index is low, typically ranging from 2 to 3 (low to moderate).
Florence experiences four distinct seasons. Spring (March-May) is mild and generally pleasant with temperatures ranging from 10 °C to 20 °C (50 °F to 68 °F). Summer (June-August) is hot and sometimes humid, with temperatures ranging from 20 °C to 35 °C (68 °F to 95 °F). Autumn (September-November) brings cooler temperatures, ranging from 15 °C to 25 °C (59 °F to 77 °F), accompanied by occasional rain showers. Winter (December-February) can be chilly, with temperatures ranging from 5 °C to 15 °C (41 °F to 59 °F), often accompanied by fog.
Compared to its region, Florence enjoys moderate sun exposure. Tuscany, the region where Florence is located, experiences a Mediterranean climate with hot summers and mild winters. However, coastal areas in Tuscany tend to be more exposed to the sun due to their proximity to the sea. Inland areas, including Florence, have slightly less sun exposure but still receive a good amount of sunshine throughout the year. It's important to protect your skin from UV rays all year round in these areas.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Florence. It's designed to provide you with a better understanding of the yearly weather and sun exposure.