Rapid City, South Dakota

Low

2.3

UV Index · Now

Step out.

You can step out without sun protection.

Unprotected

1 hr 29 min

until skin starts to burn.

With SPF 30

44 hr 27 min

Average unprotected skin. Lighter skin burns faster, darker skin slower.

HeatComfortable

Air

10°

Feels like

10°

Humidity

56%

Questions about Rapid City today

What is the UV index in Rapid City right now?
The UV index in Rapid City, South Dakota is 2.3 — categorised as Low. You can step out without sun protection.
Is it safe to go outside in Rapid City today?
Yes — UV is low (2.3) in Rapid City right now. You can step out without sun protection.
How long does it take to get sunburn in Rapid City?
Average unprotected skin starts to burn in roughly 1 hr 29 min at the current UV index of 2.3 in Rapid City. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.
What does the heat feel like in Rapid City today?
Air temperature is 10°C with 56% humidity, giving a "feels like" reading of 10°C — comfortable.
When is the safest time to step outside in Rapid City?
UV is highest between 11 am and 4 pm. Early mornings (before 9 am) and late afternoons (after 5 pm) are the safest windows for unprotected skin in Rapid City, especially through summer.
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Data: Open-Meteo · Cities: GeoNames (CC-BY 4.0) · Updated Tue 10:30 AM · Refreshes every 30 minutes