UV Index
Irvine UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index9.1
- Avg Clouds12%
- Max Temp29.6 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Irvine, United States 
will reach a high of 9.1 today. This means a veryhigh level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-25
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.
Irvine's UV Index
Irvine has a UV index that often ranges from moderate to high, especially in the summer months, meaning the sun's rays can be quite strong during the day. Winter months usually see lower UV levels. The city experiences warm, dry summers with temperatures often in the 80s and mild, wetter winters with temperatures in the 50s to 60s. Rainfall mostly occurs between November and March, while summers are usually sunny and dry. Compared to nearby Los Angeles, Irvine is slightly cooler and less smoggy due to its coastal location. It has milder winters and less temperature variation than inland areas of Southern California. Neighboring states like Nevada and Arizona have hotter summers and colder winters than Irvine.
Hourly UV Index Trend
See the UV index hour by hour for Irvine. When the level is high, it's smart to find some shade.
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