UV Index in Siyabuswa, South Africa

Last updated: May 3, 2025

In Siyabuswa, South Africa, being aware of the UV Index is crucial for protecting your skin from harmful sun exposure. Understanding UV levels is not just about avoiding sunburn; it plays a vital role in maintaining long-term skin health and preventing more serious conditions such as skin cancer. The climate in Siyabuswa, characterized by a BSh (steppe) climate, can present specific UV exposure risks, particularly during peak sunlight hours when the index can soar to 7 between 11:00 AM and 1:00 PM. Stay informed and take necessary precautions to enjoy the sun safely!

Hourly UV Index in Siyabuswa

The UV Index throughout the day paints a vivid picture of sun intensity, starting at a modest 1 at 07:00 and gradually climbing to its peak of 7 from 11:00 to 13:00. This high level signifies a heightened risk for prolonged sun exposure, perfect for sun lovers but cautionary for the rest. From the peak, the index starts to dip, dropping to 5 at 14:00 and dwindling to 1 by 16:00. As the sun begins to set, the UV Index plummets to 0 by 18:00 and remains in the safe zone through the evening. Plan your outdoor activities wisely, ensuring midday sun protection while enjoying the earlier and later hours!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	2	low	45 min
09:00	3	moderate	30 min
10:00	5	moderate	30 min
11:00	7	high	25 min
12:00	7	high	25 min
13:00	7	high	25 min
14:00	5	moderate	30 min
15:00	3	moderate	30 min
16:00	1	low	45 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Siyabuswa

The UV Index experiences significant seasonal fluctuations, with the highest levels recorded in the winter and early spring months. From January to April, the UV Index peaks at an extreme level of 16 to 11, necessitating only 10 minutes of exposure before burning occurs. Following this, the index decreases to 8 in May and 6 in June and July, indicating a shift to a very high and high risk. August sees a rise again to 9, before returning to extreme levels of 11 to 16 in the fall and winter months from September to December. Visitors and residents should exercise caution, particularly from January to April and again in September to November, where the UV risk is at its highest. It’s crucial to apply sunscreen, wear protective clothing, and limit sun exposure during these months to prevent skin damage.

Monthly Maximum UV Index for Siyabuswa, South Africa

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Siyabuswa. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Siyabuswa, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Siyabuswa UV Index with Other South Africa Cities

The table above highlights how UV exposure in Siyabuswa compares to other major locations across South Africa. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Siyabuswa's solar exposure compared to other cities in South Africa. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cape Town UVI	14	13	11	8	5	3	4	6	9	11	12	14
Durban UVI	14	13	12	9	6	4	5	7	9	11	13	15
Johannesburg UVI	15	15	13	10	7	6	6	8	11	12	14	16
Pretoria UVI	16	15	13	10	7	6	6	9	11	13	14	16
Soweto UVI	16	15	13	11	7	6	6	8	11	13	15	16
Siyabuswa	16	15	13	11	8	6	6	9	11	13	14	16