UV Index in Anchorage Today — Check Current UV Levels in Anchorage, Alaska

Current UV Index in Anchorage

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No UV radiation. No protection needed.

Updated at 9:45 PM local time · Data from Open-Meteo

Check the real-time UV index in Anchorage right now. Get the current UV level, hourly UV forecast for today, and a 7-day UV outlook for Anchorage, Alaska. Our free UV checker helps you know exactly when sun protection is needed before heading outdoors.

Current UV Index in Anchorage

The UV index in Anchorage changes throughout the day, typically peaking between 10am and 2pm local time. Use our interactive tool above to check the current level. Long summer days with 22+ hours of light create extended low-level UV exposure windows

Hourly UV Forecast for Anchorage Today

Planning outdoor activities in Anchorage, Alaska? Check our hourly UV breakdown to find the safest windows. Morning hours before 10am and late afternoon after 4pm generally have the lowest UV levels. Our forecast updates every 15 minutes with data from Open-Meteo weather services.

7-Day UV Forecast for Anchorage

Plan your week in Anchorage with our 7-day UV index forecast. See which days will have the highest UV so you can schedule outdoor activities accordingly and prepare with the right level of sun protection.

Sun Protection Guide for Anchorage

UV IndexLevelWhat to Do in Anchorage
0–2LowEnjoy outdoor activities freely. Sunscreen optional for most skin types.
3–5ModerateWear SPF 30+ sunscreen. Seek shade during midday hours in Anchorage.
6–7HighLimit midday sun exposure. Use SPF 50+, wear a hat and sunglasses.
8–10Very HighMinimize outdoor time between 10am–4pm. Full sun protection essential.
11+ExtremeAvoid direct sun exposure. Stay indoors or in full shade during peak hours.

Typical UV Levels in Anchorage

Anchorage typically experiences UV index values of 4–6 during peak season (June–July) and 0–1 during the off-season. Very short UV season but extremely long summer days create extended low-level exposure windows

Best Time for Outdoor Activities in Anchorage

The safest time for outdoor activities in Anchorage is before 10am and after 4pm when UV levels drop significantly. During the brief summer months with extended daylight, midday UV can reach very high or extreme levels. Always check the current UV index before extended outdoor plans.

Recommended SPF for Anchorage

During peak UV season in Anchorage (June–July), dermatologists recommend SPF 50+ broad-spectrum sunscreen. Apply 15–20 minutes before sun exposure and reapply every 2 hours — or immediately after swimming or sweating. During lower UV months, SPF 30 is typically sufficient for most skin types.

Anchorage UV Index by Season

High UV Season in Anchorage

UV levels in Anchorage are highest during the brief summer months with extended daylight, with the UV index regularly reaching 4–6. During this period, unprotected fair skin can burn in as little as 10–15 minutes. Protective clothing, wide-brim hats, and UV-blocking sunglasses are recommended alongside sunscreen.

Low UV Season in Anchorage

UV levels in Anchorage drop through the long dark winter, typically measuring 0–1 on the UV index scale. While the burn risk is lower, UV radiation still reaches the surface — especially on clear days. SPF 30 is recommended for extended outdoor time even during the cooler months.

Recommended Sun Protection

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Sun Safety FAQ for Anchorage

What is the average UV index in Anchorage?

The average UV index in Anchorage ranges from 0–1 during the low season to 4–6 during peak months (June–July). Year-round averages depend on season, cloud cover, and time of day.

When is UV highest in Anchorage?

UV is highest in Anchorage during the brief summer months with extended daylight, peaking between 10am and 2pm local time. The strongest UV months are typically June–July.

Do I need sunscreen in Anchorage?

Yes — whenever the UV index reaches 3 or higher in Anchorage, the World Health Organization recommends sun protection. During peak season (June–July), daily sunscreen use is strongly advised for all skin types.

UV Index Near Anchorage

Check UV levels in cities near Anchorage:

UV Index in Other Cities

About UV Index in Anchorage

The UV index in Anchorage, Alaska is influenced by latitude, altitude, season, cloud cover, and ozone layer thickness. UV radiation reflects off water, sand, snow, and concrete — increasing exposure even in shaded areas. Always check the current UV index before spending extended time outdoors in Anchorage. Data is updated every 15 minutes via Open-Meteo weather services.

Disclaimer: UV index data, sunburn estimates, and sun protection recommendations for Anchorage are approximate and for informational purposes only — not medical advice. Actual conditions vary based on local weather, altitude, and surface reflection. Consult a healthcare professional for personalized sun protection guidance.