What is the UV index in Sioux Falls right now?

See the live UV index for Sioux Falls above — it updates every 15 minutes from Open-Meteo data. The UV index runs from 0 (low) to 11+ (extreme); protection is advised once it reaches 3 or higher.

What time is UV highest in Sioux Falls?

UV in Sioux Falls usually peaks between noon and 3 PM local time, when the sun is highest. Check the hour-by-hour chart above for today's exact peak time.

What SPF do I need in Sioux Falls today?

At UV 3–5 use SPF 30; at UV 6–7 use SPF 50; at UV 8 or above use SPF 50+ and reapply every 2 hours. The tool shows the exact SPF for the current UV level.

How long can I stay in the sun before burning?

It depends on your skin type and the UV level. At UV 8 (very high), fair skin can burn in 15–25 minutes. Use the sunburn-time calculator above for a personalised estimate.

Does UV protective clothing actually work?

Yes. A UPF 50 garment blocks 98% of UV radiation — more reliably than most sunscreens. It's the most dependable protection for long periods outdoors.

UV Index in Sioux Falls Today — Check Current UV Levels in Sioux Falls, South Dakota

Current UV Index in Sioux Falls

0 None

No UV radiation. No protection needed.

Updated at 1:15 AM local time · Data from Open-Meteo

Check the real-time UV index in Sioux Falls right now. Get the current UV level, hourly UV forecast for today, and a 7-day UV outlook for Sioux Falls, South Dakota.

Current UV Index in Sioux Falls

The UV index in Sioux Falls changes throughout the day, typically peaking between 10am and 2pm local time. Northern Plains with short but strong UV season

Hourly UV Forecast for Sioux Falls Today

Planning outdoor activities in Sioux Falls, South Dakota? Check our hourly UV breakdown to find the safest windows. Our forecast updates every 15 minutes with data from Open-Meteo weather services.

7-Day UV Forecast for Sioux Falls

Plan your week in Sioux Falls with our 7-day UV index forecast. See which days will have the highest UV so you can prepare with the right level of sun protection.

Sun Protection Guide for Sioux Falls

UV Index	Level	What to Do in Sioux Falls
0–2	Low	Enjoy outdoor activities freely. Sunscreen optional for most skin types.
3–5	Moderate	Wear SPF 30+ sunscreen. Seek shade during midday hours.
6–7	High	Limit midday sun. Use SPF 50+, wear a hat and sunglasses.
8–10	Very High	Minimize outdoor time 10am–4pm. Full sun protection essential.
11+	Extreme	Avoid direct sun. Stay indoors or in full shade during peak hours.

Typical UV Levels in Sioux Falls

Sioux Falls typically experiences UV index values of 8-10 during peak season (June-August) and 1-2 during the off-season. Sharp seasonal contrast — summer UV can be surprisingly strong while winter UV is minimal

Best Time for Outdoor Activities in Sioux Falls

The safest time for outdoor activities in Sioux Falls is before 10am and after 4pm when UV levels drop significantly. Always check the current UV index before extended outdoor plans.

Recommended SPF for Sioux Falls

During peak UV season in Sioux Falls (June-August), dermatologists recommend SPF 50+ broad-spectrum sunscreen. Apply 15–20 minutes before sun exposure and reapply every 2 hours.

Sioux Falls UV Index by Season

High UV Season in Sioux Falls

UV levels in Sioux Falls are highest during summer when days are longest, with the UV index regularly reaching 8-10. Protective clothing, wide-brim hats, and UV-blocking sunglasses are recommended alongside sunscreen.

Low UV Season in Sioux Falls

UV levels drop in winter when the sun sits low, typically measuring 1-2. SPF 30 is still recommended for extended outdoor time even during cooler months.

Recommended Sun Protection

EltaMD UV Clear SPF 46 — Face sunscreen. $37
Neutrogena Ultra Sheer SPF 70 — Body sunscreen. $10
Banana Boat Light As Air SPF 50 — Twin pack. $15
Roadbox UPF 50+ Sun Shirt — UV clothing. $19
Outdoor Research Sombriolet Hat — UPF 50+ hat. $45

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Sun Safety FAQ for Sioux Falls

What is the average UV index in Sioux Falls?

The average UV index in Sioux Falls ranges from 1-2 during the low season to 8-10 during peak months (June-August).

When is UV highest in Sioux Falls?

UV is highest in Sioux Falls during summer when days are longest, peaking between 10am and 2pm local time.

Do I need sunscreen in Sioux Falls?

Yes — whenever the UV index reaches 3 or higher. During peak season (June-August), daily sunscreen use is strongly advised.

UV Index Near Sioux Falls

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About UV Index in Sioux Falls

UV data for Sioux Falls, South Dakota is updated every 15 minutes via Open-Meteo weather services. Always check the current UV index before spending extended time outdoors.

Disclaimer: UV index data and sun protection recommendations for Sioux Falls are approximate and for informational purposes only — not medical advice.