San Francisco UV index in February
Typical ultraviolet levels for San Francisco during February, from the past year of data.
Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
February average
San Francisco UV index — monthly trend
Average UV index by month over the past year, with February highlighted.
Visiting San Francisco in February?
In February, San Francisco's typical UV index is about 2.8894 — a low risk level. Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
Across the year, San Francisco sees the strongest UV in Summer, peaking around 10.8042 in July. Plan sun protection accordingly.