Grand Rapids UV index in December
Typical ultraviolet levels for Grand Rapids during December, from the past year of data.
Low
Grand Rapids
Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
1.3
UV Index
December average
Low
Moderate
High
Very High
Extreme
December UV
1.2693
Risk level
Low
Yearly peak
8.9883
Peak month
July
Grand Rapids UV index — monthly trend
Average UV index by month over the past year, with December highlighted.
Visiting Grand Rapids in December?
In December, Grand Rapids's typical UV index is about 1.2693 — a low risk level. Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
Across the year, Grand Rapids sees the strongest UV in Summer, peaking around 8.9883 in July. Plan sun protection accordingly.
