UV Index
UV Index
Today's UV index in San Marino, San Marino 
will be up to 6.7, indicating a high level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-05-13
With San Marino's UV index reaching 6.7, protect your skin from harm by staying in shade, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours, especially between 10 a.m. and 4 p.m. when UV rays are strongest.
San Marino usually has a UV index that ranges from moderate to high during the summer months, especially in July and August, while it is lower in the winter, often near zero in December and January. The UV index in spring and autumn sits between these extremes, making moderate exposure common during these seasons.
San Marino experiences four distinct seasons. Summers are warm and sometimes hot, with temperatures often reaching around 30°C (86°F). Winters are cool and damp, with temperatures usually above freezing. Spring and autumn offer mild and pleasant weather, with varying rainfall.
Compared to nearby Italy, San Marino's weather is very similar because it is located within Italy itself. It is slightly cooler in winter than coastal areas of the Adriatic Sea due to its hilly terrain. Compared to other neighboring countries like Slovenia or Croatia, San Marino generally has milder winters and less variation in temperature throughout the year.
See the UV index hour by hour for San Marino, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.