New Haven UV index in December
Typical ultraviolet levels for New Haven during December, 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.
1.4
UV Index
December average UTC
Low
Moderate
High
Very High
Extreme
December UV
1.4241
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 December highlighted.
Visiting New Haven in December?
In December, New Haven's typical UV index is about 1.4241 — 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.
