Rennes, Brittany

Low

0.0

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

12°

Feels like

12°

Humidity

75%

Questions about Rennes today

What is the UV index in Rennes right now?
The UV index in Rennes, Brittany is 0.0 — categorised as Low. You can step out without sun protection.
Is it safe to go outside in Rennes today?
Yes — UV is low (0.0) in Rennes right now. You can step out without sun protection.
How long does it take to get sunburn in Rennes?
There is no meaningful burn risk in Rennes right now (UV is 0.0). Risk rises rapidly once UV crosses 3.
What does the heat feel like in Rennes today?
Air temperature is 12°C with 75% humidity, giving a "feels like" reading of 12°C — comfortable.
When is the safest time to step outside in Rennes?
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 Rennes, especially through summer.
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Data: Open-Meteo · Cities: GeoNames (CC-BY 4.0) · Updated Wed 4:00 AM · Refreshes every 30 minutes