Niigata UV index in May
Typical ultraviolet levels for Niigata during May, from the past year of data.
Very High
Niigata
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
8.679
Risk level
Very High
Yearly peak
9.8141
Peak month
July
Niigata UV index — monthly trend
Average UV index by month over the past year, with May highlighted.
Visiting Niigata in May?
In May, Niigata's typical UV index is about 8.679 — 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, Niigata sees the strongest UV in Summer, peaking around 9.8141 in July. Plan sun protection accordingly.
