UV Index
UV Index
Today's UV index in Lisbon, United States 
will be up to 9.5, indicating a very 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: 2025-06-22
With a UV index of 9.5 in Lisbon, it's crucial to safeguard your skin from harmful UV rays. Protect yourself by minimizing sun exposure, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours.
Lisbon, United States, experiences a moderate UV index that varies with the seasons, reaching higher levels during the summer months and lower in winter.
Seasonally, Lisbon has warm summers with occasional heat waves and cold winters with possible snow. Spring and fall offer mild, pleasant temperatures and moderate rainfall.
Compared to nearby regions, Lisbon's weather is generally milder than areas further inland but more variable than coastal locations. Neighboring states may have colder winters or hotter summers depending on their geography.
See the UV index hour by hour for Lisbon, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.