UV Index in Driefontein, South Africa

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Driefontein, South Africa, where intense sun exposure can pose significant risks. As a town characterized by its Cwb climate, Driefontein experiences varying UV levels throughout the day, peaking at 7 during midday. Being aware of these levels is essential for effective sunburn prevention and maintaining skin health, especially given the region's susceptibility to higher UV radiation. By checking the UV Index, you can protect yourself from harmful effects and enjoy the beautiful South African sun safely.

Hourly UV Index in Driefontein

The UV Index today began its ascent at 7:00 AM with a modest 1, slowly climbing to 2 by 8:00 AM. As the sun rose higher, the index reached 3 at 9:00 AM, then jumped to 5 by 10:00 AM. The peak was recorded at 11:00 AM and 12:00 PM, both hitting a notable 7. By 1:00 PM, the UV Index slightly dipped to 6, followed by a gradual decline to 5 by 2:00 PM. This downward trend continued as it fell to 3 at 3:00 PM and further decreased to 1 by 4:00 PM. The day wrapped up with very low readings of 1 at 5:00 PM, and dropping to 0 by 6:00 PM, indicating a safe evening with minimal UV exposure. Make the most of the sun wisely! ☀️

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	6	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 Driefontein

The UV Index data indicates significant seasonal variations in ultraviolet radiation exposure, with extreme levels (UV Index of 16 to 13) prevalent from January to March and resuming in September to November, marking these months as high-risk for sunburn with a minimal burn time of just 10 minutes. In contrast, from April to August, the UV Index drops to very high or high categories (10 to 6), extending burn times to 15 to 25 minutes. Visitors and residents are strongly advised to take protective measures, especially during the extreme months. Recommendations include seeking shade, wearing protective clothing, and applying sunscreen liberally to minimize the risk of skin damage.

Monthly Maximum UV Index for Driefontein, South Africa

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Driefontein. 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 Driefontein, 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 Driefontein UV Index with Other South Africa Cities

The table above highlights how UV exposure in Driefontein 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.

Driefontein'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
Driefontein	16	15	13	10	7	6	6	9	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