Yokohama UV index in January
Typical ultraviolet levels for Yokohama during January, from the past year of data.
Low
Yokohama
Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
2
UV Index
January average
Low
Moderate
High
Very High
Extreme
January UV
2.0123
Risk level
Low
Yearly peak
9.8652
Peak month
July
Yokohama UV index — monthly trend
Average UV index by month over the past year, with January highlighted.
Visiting Yokohama in January?
In January, Yokohama's typical UV index is about 2.0123 — a low risk level. Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
Across the year, Yokohama sees the strongest UV in Summer, peaking around 9.8652 in July. Plan sun protection accordingly.
