UV Index in Butterworth, South Africa

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Butterworth, South Africa, where the unique climate can lead to varying levels of sun exposure throughout the day. As the UV Index climbs, so does the risk of sunburn and long-term skin damage, making it vital to stay informed about UV levels. With typical midday readings reaching up to 4, it's essential for locals and visitors alike to take appropriate precautions, such as wearing sunscreen and protective clothing. By being aware of these UV levels, you can enjoy the beautiful conditions of Butterworth while ensuring your skin remains healthy and protected from harmful rays.

Hourly UV Index in Butterworth

The UV Index for the day reveals a gradual increase in solar intensity as the sun climbs higher. Starting from a mild 1 at 07:00 and 08:00, the index nudges to 2 by 09:00 and peaks at 4 between 11:00 and 13:00, indicating a notable amount of UV exposure. As the afternoon progresses, the value slightly tapers off to 3 at 14:00 and dwindles down to 2 by 15:00. The evening brings a steep decline, with the index dropping to 1 at 16:00 and then to 0 after 18:00. Stay protected during the midday hours when the UV Index is at its highest!

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	1	low	45 min
09:00	2	low	45 min
10:00	3	moderate	30 min
11:00	4	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 Butterworth

Throughout the year, the UV Index exhibits significant seasonal fluctuations, with the highest levels occurring from January to March and again in October to December, all classified as extreme exposure categories. High-risk months for UV exposure include January, February, March, October, November, and December, where the burn time is as low as 10 minutes. In contrast, May and June offer a reprieve with a moderate UV Index, allowing for longer exposure times of 30 minutes. However, even in these months, it's essential for visitors and residents to remain vigilant, employing sun protection strategies like wearing sunscreen, protective clothing, and seeking shade, especially during peak sun hours. As UV levels rise again in the late summer and fall, prudent sun safety measures should be a priority to minimize the risk of skin damage.

Monthly Maximum UV Index for Butterworth, South Africa

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

The table above highlights how UV exposure in Butterworth 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.

Butterworth'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
Butterworth	14	14	11	8	5	4	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