Charleston UV index in January
Typical ultraviolet levels for Charleston during January, from the past year of data.
Low
Charleston
Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
2.6
UV Index
January average UTC
Low
Moderate
High
Very High
Extreme
January UV
2.6212
Risk level
Low
Yearly peak
10.9387
Peak month
July
Charleston UV index — monthly trend
Average UV index by month over the past year, with January highlighted.
Visiting Charleston in January?
In January, Charleston's typical UV index is about 2.6212 — a low risk level. Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
Across the year, Charleston sees the strongest UV in Summer, peaking around 10.9387 in July. Plan sun protection accordingly.
