San Diego UV index in April
Typical ultraviolet levels for San Diego during April, from the past year of data.
High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
April average
San Diego UV index — monthly trend
Average UV index by month over the past year, with April highlighted.
Visiting San Diego in April?
In April, San Diego's typical UV index is about 7.7807 — a high risk level. High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
Across the year, San Diego sees the strongest UV in Summer, peaking around 10.5463 in July. Plan sun protection accordingly.