UV Index Today in Anaheim, California

Current UV
Today's Max

Hourly UV Forecast

low moderate high very high extreme

Surface Type

Reflective surfaces increase your UV exposure — snow reflects up to 90%, sand about 20%.

Safe Exposure Time

Estimated burn times based on the Fitzpatrick scale for skin color and today's maximum UV index of . Tap your skin type:

Very fair skin, always burns, never tans

Time until burn
With SPF 15*
With SPF 30*

*Assumes proper application of broad-spectrum sunscreen with reapplication every 2 hours. Estimates follow WHO guidance and satellite-derived data — see how our data works.

Sun Times

Dawn
Sunrise
Solar Noon
Sunset
Dusk
Day Length
Morning Golden Hour Ends
Evening Golden Hour

Important Safety Information

General Guidelines

These exposure times are estimates based on scientific research and should be used as general guidelines only. Individual responses to UV exposure may vary.

Affecting Factors

UV exposure is affected by: time of day, season, altitude, cloud cover, reflection from surfaces, and individual skin sensitivity.

Protection Tips

Seek shade during peak UV hours (10 AM - 4 PM), wear protective clothing, use broad-spectrum sunscreen, and monitor the UV index regularly.

Medical Advice

Consult a healthcare provider for personalized sun protection advice, especially if you have a history of skin conditions or take medications that increase sun sensitivity.

Anaheim's UV Climate

Anaheim's UV story is inseparable from its theme parks: tens of millions of visitors a year spend eight-to-twelve-hour days in the largely shadeless queues and walkways of the Disneyland Resort, often having flown in from cloudier climates with no sun-protection habits. The city sits inland of the Orange County coast, beyond the reach of the marine layer that shades the beach towns, so park days are typically full-sun days from open to close.

Average Annual UV Index

7.5

Peak UV Season

April - October

Sunny Days per Year

280

Typical UV Index by Season in Anaheim

Season Typical Midday UV Protection Needed
Summer Very High (8-10) SPF 30+, hat, sunglasses; shade from 10 AM – 4 PM
Spring & Fall High (6-8) SPF 30+ for extended time outdoors
Winter Moderate (3-5) Sunscreen for long midday exposure; more on snow

UV Index in Nearby Cities

Practical Tips for Outdoor Activities

Make the most of outdoor activities while staying safe in Orange County:

UV and Weather in Orange County

Learn about Orange County's unique climate patterns, UV radiation levels, and how they affect your daily life. Enter your zip code for location-specific weather radar data and UV forecasts to help you make informed decisions about outdoor activities and sun protection.

Climate and UV Patterns

Anaheim has a Mediterranean climate with roughly 280 sunny days a year. Summer midday UV runs 9-10, and the high-exposure season stretches from April through October — precisely the peak tourist months. Unlike coastal Orange County, Anaheim usually burns off its morning cloud early, so even 'June Gloom' season delivers substantial midday UV inland.

UV Index and Health Impact

Understanding UV radiation levels is crucial for protecting your health. Typical clear-day UV index values in Anaheim through the year:

  • Summer: Very High (8-10)
  • Spring/Fall: High (6-8)
  • Winter: Moderate (3-5)
  • Peak UV hours: 10 AM - 4 PM
  • Cloud cover can reduce UV by 20-40%, but does not eliminate it
  • Clear skies bring maximum UV exposure

Local Weather Patterns

Weather in Anaheim is famously reliable: dry, warm, and clear for most of the year, which is exactly what makes multi-day theme-park itineraries a sunburn risk — there's no cloudy day to recover. Late spring's coastal overcast occasionally reaches inland in the morning but typically clears before the peak UV window. Winters are mild with moderate midday UV on the many clear days, still enough to redden unprotected visitors standing in outdoor lines.

Frequently Asked Questions About UV in Anaheim

What is the UV index in Anaheim today?

The live UV index for Anaheim, CA is shown at the top of this page and updates throughout the day, along with today's maximum and an hourly forecast.

When is the sun strongest in Anaheim?

UV radiation is strongest between 10 AM and 4 PM. Anaheim's peak UV season runs April - October, when the midday index typically reaches Very High (8-10).

How high does the UV index get in Anaheim?

Summer days in Anaheim typically reach Very High (8-10). Spring and fall usually bring High (6-8), while winter values are typically Moderate (3-5).

Do I need sunscreen in Anaheim during winter?

Yes — a full day outdoors at the parks in winter still means hours of moderate UV, so sunscreen belongs in the park bag year-round.

How sunny is Anaheim compared to other cities?

Anaheim averages about 280 sunny days per year with an average annual UV index around 7.5.