Siena, Tuscany
Low0.0
UV Index · Now
Step out.
You can step out without sun protection.
Unprotected
No burn risk now
until skin starts to burn.
With SPF 30
No burn risk now
Average unprotected skin. Lighter skin burns faster, darker skin slower.
HeatComfortable
Air
9°
Feels like
9°
Humidity
72%
Questions about Siena today
- What is the UV index in Siena right now?
- The UV index in Siena, Tuscany is 0.0 — categorised as Low. You can step out without sun protection.
- Is it safe to go outside in Siena today?
- Yes — UV is low (0.0) in Siena right now. You can step out without sun protection.
- How long does it take to get sunburn in Siena?
- There is no meaningful burn risk in Siena right now (UV is 0.0). Risk rises rapidly once UV crosses 3.
- What does the heat feel like in Siena today?
- Air temperature is 9°C with 72% humidity, giving a "feels like" reading of 9°C — comfortable.
- When is the safest time to step outside in Siena?
- 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 Siena, especially through summer.