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UV Index in Santa Ana

Day Summary

Today's UV index in Santa Ana, United States United States will be up to 9.4, 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: 2025-05-11

Forecast

Today's tips

With a UV index of 9.4 in Santa Ana, 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.

Santa Ana's UV Index

The UV index in Santa Ana, United States, is usually moderate to high, especially during summer months, ranging between 5 and 9. It peaks around midday when the sun is strongest.

Weather Seasons

UV index

Santa Ana experiences mild, wet winters and hot, dry summers. Spring and autumn are short and pleasant with moderate temperatures. Rainfall mainly happens from November to March, with dry conditions the rest of the year.

Santa Ana's Climate

Compared to surrounding regions in Southern California, Santa Ana tends to be warmer and sunnier than coastal cities like Los Angeles. It is drier than areas to the north and east, such as the Inland Empire and deserts.

Hourly Trend

See the UV index hour by hour for Santa Ana, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.

Disclaimer

* This page's content about the UV index in Santa Ana (United States) is for educational and informational purposes only. The developers and data providers are not liable for the accuracy, reliability, or availability of the information. The information is not a substitute for professional medical advice, and the developers and data providers are not medical professionals. Seek advice from a qualified health provider for any medical concerns, and do not disregard medical advice or delay seeking it based on the information provided on this site.