Surabaya UV index in January
Typical ultraviolet levels for Surabaya during January, from the past year of data.
Extreme
Surabaya
Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
13.6
UV Index
January average UTC
Low
Moderate
High
Very High
Extreme
January UV
13.5595
Risk level
Extreme
Yearly peak
15.0145
Peak month
March
Surabaya UV index — monthly trend
Average UV index by month over the past year, with January highlighted.
Visiting Surabaya in January?
In January, Surabaya's typical UV index is about 13.5595 — a extreme risk level. Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
Across the year, Surabaya sees the strongest UV in Fall, peaking around 15.0145 in March. Plan sun protection accordingly.
