Santa Cruz UV index in January
Typical ultraviolet levels for Santa Cruz during January, from the past year of data.
Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
January average UTC
Santa Cruz UV index — monthly trend
Average UV index by month over the past year, with January highlighted.
Visiting Santa Cruz in January?
In January, Santa Cruz's typical UV index is about 16.3973 — a extreme risk level. Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
Across the year, Santa Cruz sees the strongest UV in Winter, peaking around 16.6243 in February. Plan sun protection accordingly.