Harrisburg UV index in December
Typical ultraviolet levels for Harrisburg during December, from the past year of data.
Low
Harrisburg
Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
1.5
UV Index
December average UTC
Low
Moderate
High
Very High
Extreme
December UV
1.4856
Risk level
Low
Yearly peak
9.2337
Peak month
July
Harrisburg UV index — monthly trend
Average UV index by month over the past year, with December highlighted.
Visiting Harrisburg in December?
In December, Harrisburg's typical UV index is about 1.4856 — a low risk level. Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
Across the year, Harrisburg sees the strongest UV in Summer, peaking around 9.2337 in July. Plan sun protection accordingly.
