Today's UV outlook for Lausanne
Today's forecast for Lausanne peaks at UV 5.3 around 14:00. The hourly outlook shows 6 hours at moderate or above (UV 3+). The live reading is UV 0.0 right now.
Lausanne sits at about 535 m elevation. Thinner air at altitude can add roughly 5% UV compared with sea level at the same latitude—cool mountain air is not a low-UV signal.
UV stays mostly in the low-to-moderate range today, but the hourly bars still show when exposure climbs. Fair skin still benefits from SPF for extended time outdoors.
Compare with other cities in Vaud, or read practical planning notes in the blog .