Tokyo UV index in May
Typical ultraviolet levels for Tokyo during May, from the past year of data.
Very High
Tokyo
Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.
8.7
UV Index
May average UTC
Low
Moderate
High
Very High
Extreme
May UV
8.6785
Risk level
Very High
Yearly peak
9.7001
Peak month
July
Tokyo UV index — monthly trend
Average UV index by month over the past year, with May highlighted.
Visiting Tokyo in May?
In May, Tokyo's typical UV index is about 8.6785 — a very high risk level. Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.
Across the year, Tokyo sees the strongest UV in Summer, peaking around 9.7001 in July. Plan sun protection accordingly.