San Jose UV index in April
Typical ultraviolet levels for San Jose during April, from the past year of data.
High
San Jose
High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
7.5
UV Index
April average
Low
Moderate
High
Very High
Extreme
April UV
7.4611
Risk level
High
Yearly peak
10.722
Peak month
July
San Jose UV index — monthly trend
Average UV index by month over the past year, with April highlighted.
Visiting San Jose in April?
In April, San Jose's typical UV index is about 7.4611 — a high risk level. High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
Across the year, San Jose sees the strongest UV in Summer, peaking around 10.722 in July. Plan sun protection accordingly.
