UV Index
UV Index
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Today's UV index in Santa Ana, United States 
will be up to 2.8, 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 Santa Ana, reaching up to 2.8. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.
Santa Ana, located in the United States, has a high UV index, often reaching extreme levels during the summer. This is due to its arid climate and close proximity to the equator.
Santa Ana experiences two main seasons: a warm to hot summer and a mild winter. However, the city is known for its frequent dry spells and minimal rainfall throughout the year.
Compared to its region and neighboring countries, Santa Ana is relatively dry and warm. While the western U.S. typically gets more rain, Santa Ana's climate is more similar to the desert Southwest or northern Mexico.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Santa Ana. It's designed to provide you with a better understanding of the yearly weather and sun exposure.