Harrisburg UV index in January
Typical ultraviolet levels for Harrisburg during January, from the past year of data.
Low
Harrisburg
Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
1.4
UV Index
January average
Low
Moderate
High
Very High
Extreme
January UV
1.3722
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 January highlighted.
Visiting Harrisburg in January?
In January, Harrisburg's typical UV index is about 1.3722 — 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.
