Simi Valley UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index10.7
- Avg Clouds4%
- Max Temp32.6 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Simi Valley, United States 
will reach a high of 10.7 today. This means a veryhigh level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-01
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.
Simi Valley's UV Index
The UV index in Simi Valley is usually moderate to high, especially during summer months when it can reach levels that require sun protection. In winter, the UV index tends to be lower but can still be significant on sunny days.
Weather Seasons
Simi Valley has warm, dry summers with temperatures often in the 80s and 90s (°F). Winters are mild and cooler, with occasional rain. Spring and fall are pleasant with moderate temperatures and low humidity, making these seasons comfortable.
Simi Valley's Climate
Compared to nearby Los Angeles and the greater Southern California region, Simi Valley is slightly cooler and less humid. It receives less rainfall than some coastal areas but more than the desert regions to the east. Neighboring cities share similar Mediterranean climates with minor local differences.
Hourly UV Index Trend
See the UV index hour by hour for Simi Valley. When the level is high, it's smart to find some shade.
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