Lyon UV index in April

Typical ultraviolet levels for Lyon during April, from the past year of data.

Moderate Lyon

Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.

April average

April UV
5.0256
Risk level
Moderate
Yearly peak
8.6478
Peak month
July

Lyon UV index — monthly trend

Average UV index by month over the past year, with April highlighted.

How this is calculated

Visiting Lyon in April?

In April, Lyon's typical UV index is about 5.0256 — a moderate risk level. Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.

Across the year, Lyon sees the strongest UV in Summer, peaking around 8.6478 in July. Plan sun protection accordingly.