New Haven UV index in January
Typical ultraviolet levels for New Haven during January, from the past year of data.
Low
New Haven
Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
1.3
UV Index
January average UTC
Low
Moderate
High
Very High
Extreme
January UV
1.3106
Risk level
Low
Yearly peak
9.494
Peak month
July
New Haven UV index — monthly trend
Average UV index by month over the past year, with January highlighted.
Visiting New Haven in January?
In January, New Haven's typical UV index is about 1.3106 — a low risk level. Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
Across the year, New Haven sees the strongest UV in Summer, peaking around 9.494 in July. Plan sun protection accordingly.
