Manhattan UV index in January
Typical ultraviolet levels for Manhattan during January, from the past year of data.
Low
Manhattan
Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
1.5
UV Index
January average UTC
Low
Moderate
High
Very High
Extreme
January UV
1.486
Risk level
Low
Yearly peak
10.1029
Peak month
July
Manhattan UV index — monthly trend
Average UV index by month over the past year, with January highlighted.
Visiting Manhattan in January?
In January, Manhattan's typical UV index is about 1.486 — a low risk level. Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
Across the year, Manhattan sees the strongest UV in Summer, peaking around 10.1029 in July. Plan sun protection accordingly.