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Today's UV index in Louisville, United States will be up to 1.7, indicating a low 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, the UV index suggests low sun danger (0-2) in Louisville, reaching up to 1.7. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.
The UV index in Louisville, United States, can reach a high of 9 during peak summer months, while winter months see a much lower index of 2 or less. This variation is due to the city's geographical location and tilt of the earth's axis.
Louisville experiences four distinct seasons. Spring brings mild temperatures and blooming flowers, while summer is characterized by heat and humidity. Autumn sees falling leaves and cooler weather, and winter is often marked by snow and freezing temperatures.
Compared to its region and neighboring countries, Louisville's weather is relatively mild. The city avoids the extremely low temperatures of northern states and the excessive heat of southern regions. Neighboring countries, like Canada, regularly experience colder winters and more severe weather conditions, while Mexico sees hotter, drier climates year-round.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Louisville. It's designed to provide you with a better understanding of the yearly weather and sun exposure.