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.

January average UTC

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.