Santa Ana UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index9
- Avg Clouds6%
- Max Temp32.6 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Santa Ana, United States 
will reach a high of 9 today. This means a veryhigh level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-21
Hourly Forecast Chart
Today's Safety Tips
The risk is very high. It's best to stay out of the sun between 10 a.m. and 4 p.m. If you must be outside, wear protective clothing and apply sunscreen often.
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
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 UV Index Trend
See the UV index hour by hour for Santa Ana. When the level is high, it's smart to find some shade.
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