Haikou UV index in April
Typical ultraviolet levels for Haikou during April, from the past year of data.
Extreme
Haikou
Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
12.4
UV Index
April average
Low
Moderate
High
Very High
Extreme
April UV
12.3934
Risk level
Extreme
Yearly peak
13.6833
Peak month
June
Haikou UV index — monthly trend
Average UV index by month over the past year, with April highlighted.
Visiting Haikou in April?
In April, Haikou's typical UV index is about 12.3934 — a extreme risk level. Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
Across the year, Haikou sees the strongest UV in Summer, peaking around 13.6833 in June. Plan sun protection accordingly.
