Lyon UV index in December

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

Low Lyon

Low UV. You can safely enjoy being outside; the sun's rays are not very strong.

December average

December UV
0.9804
Risk level
Low
Yearly peak
8.6478
Peak month
July

Lyon UV index — monthly trend

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

How this is calculated

Visiting Lyon in December?

In December, Lyon's typical UV index is about 0.9804 — a low risk level. Low UV. You can safely enjoy being outside; the sun's rays are not very strong.

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