Hartford UV index in December
Typical ultraviolet levels for Hartford during December, from the past year of data.
Low
Hartford
Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
1.2
UV Index
December average UTC
Low
Moderate
High
Very High
Extreme
December UV
1.1971
Risk level
Low
Yearly peak
7.6883
Peak month
July
Hartford UV index — monthly trend
Average UV index by month over the past year, with December highlighted.
Visiting Hartford in December?
In December, Hartford's typical UV index is about 1.1971 — a low risk level. Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
Across the year, Hartford sees the strongest UV in Summer, peaking around 7.6883 in July. Plan sun protection accordingly.
