Rotterdam UV index in January
Typical ultraviolet levels for Rotterdam during January, from the past year of data.
Low
Rotterdam
Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
0.5
UV Index
January average
Low
Moderate
High
Very High
Extreme
January UV
0.485
Risk level
Low
Yearly peak
8.2557
Peak month
July
Rotterdam UV index — monthly trend
Average UV index by month over the past year, with January highlighted.
Visiting Rotterdam in January?
In January, Rotterdam's typical UV index is about 0.485 — a low risk level. Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
Across the year, Rotterdam sees the strongest UV in Summer, peaking around 8.2557 in July. Plan sun protection accordingly.
