Johannesburg UV index in April
Typical ultraviolet levels for Johannesburg during April, from the past year of data.
Very High
Johannesburg
Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.
10
UV Index
April average UTC
Low
Moderate
High
Very High
Extreme
April UV
9.9581
Risk level
Very High
Yearly peak
14.7256
Peak month
January
Johannesburg UV index — monthly trend
Average UV index by month over the past year, with April highlighted.
Visiting Johannesburg in April?
In April, Johannesburg's typical UV index is about 9.9581 — a very high risk level. Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.
Across the year, Johannesburg sees the strongest UV in Winter, peaking around 14.7256 in January. Plan sun protection accordingly.
