Portsmouth UV index in December
Typical ultraviolet levels for Portsmouth during December, from the past year of data.
Low
Portsmouth
Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
0.6
UV Index
December average
Low
Moderate
High
Very High
Extreme
December UV
0.5779
Risk level
Low
Yearly peak
7.7811
Peak month
July
Portsmouth UV index — monthly trend
Average UV index by month over the past year, with December highlighted.
Visiting Portsmouth in December?
In December, Portsmouth's typical UV index is about 0.5779 — a low risk level. Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
Across the year, Portsmouth sees the strongest UV in Summer, peaking around 7.7811 in July. Plan sun protection accordingly.
