UV Index in De Rust, South Africa

Last updated: June 2, 2025

In De Rust, South Africa, staying informed about the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps you prevent sunburn and reduce the risk of long-term skin damage, which is particularly important in this semi-arid climate known for its clear skies and strong sun exposure. With peak UV Index values reaching 4 around midday, residents and visitors should be aware of their sun safety practices, especially during the warmer seasons. Stay informed, stay safe, and enjoy the beautiful sun-soaked days in De Rust!

Hourly UV Index in De Rust

The UV Index throughout the day reveals a dynamic pattern of sun intensity. In the morning, it starts off low, peaking at 1 by 09:00. As the sun climbs higher, we see a steady increase with the index reaching 3 by 11:00. The highest point occurs from 12:00 to 13:00, where the UV Index hits a robust 4, indicating a need for sun protection during those hours. Following this peak, the index gradually declines, returning to 2 at 15:00, and then dropping back down to 0 by 18:00, marking the end of significant UV exposure for the day. Plan your outdoor activities accordingly to stay safe under the sun!

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	0	low	45 min
08:00	1	low	45 min
09:00	1	low	45 min
10:00	2	low	45 min
11:00	3	moderate	30 min
12:00	4	moderate	30 min
13:00	4	moderate	30 min
14:00	3	moderate	30 min
15:00	2	low	45 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 De Rust

Throughout the year, the UV Index experiences significant fluctuations, with the highest values occurring during the early months and the winter season. January, February, and March showcase an extreme UV Index of 14 and a quick burn time of just 10 minutes, making these months a high-risk period for sun exposure. April continues with a very high UV Index of 8, easing slightly to 5 in May and 4 from June to July, where the risk moves to moderate levels. The UV Index increases again in August at 6 (high) and peaks in September at 9 (very high). As temperatures drop, October and November return to the extreme category, while December sees a 15, the highest of the year. Residents and visitors are advised to take precautions during high-risk months—especially in late winter and early spring—by wearing protective clothing, using sunscreen, and limiting sun exposure time to stay safe from harmful UV rays.

Monthly Maximum UV Index for De Rust, South Africa

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

The table above highlights how UV exposure in De Rust 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.

De Rust'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
De Rust	14	14	11	8	5	4	4	6	9	11	13	15
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