London UV index in January
Typical ultraviolet levels for London during January, from the past year of data.
Low
London
Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
0.5
UV Index
January average
Low
Moderate
High
Very High
Extreme
January UV
0.4747
Risk level
Low
Yearly peak
7.9871
Peak month
July
London UV index — monthly trend
Average UV index by month over the past year, with January highlighted.
Visiting London in January?
In January, London's typical UV index is about 0.4747 — a low risk level. Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
Across the year, London sees the strongest UV in Summer, peaking around 7.9871 in July. Plan sun protection accordingly.
