UV Index
UV Index
0.0
00%
00.0 ℃
Today's UV index in Santa Ana, United States 
will be up to 3.6, indicating a moderate 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.
With a UV index reaching up to 3.6 in Santa Ana, stay shaded during midday when the sun is strongest; wear protective clothing, a wide-brimmed hat, UV-blocking sunglasses; apply SPF 30+ sunscreen every 2 hours, even on cloudy days; and be cautious of heightened UV on bright surfaces.
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.