Tokyo UV index in January
Typical ultraviolet levels for Tokyo during January, from the past year of data.
Low
Tokyo
Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
2
UV Index
January average UTC
Low
Moderate
High
Very High
Extreme
January UV
1.9813
Risk level
Low
Yearly peak
9.7001
Peak month
July
Tokyo UV index — monthly trend
Average UV index by month over the past year, with January highlighted.
Visiting Tokyo in January?
In January, Tokyo's typical UV index is about 1.9813 — a low risk level. Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
Across the year, Tokyo sees the strongest UV in Summer, peaking around 9.7001 in July. Plan sun protection accordingly.
