UV Index in Grabouw, South Africa

Last updated: August 1, 2025

In Grabouw, South Africa, staying informed about the UV Index is crucial for protecting your skin and overall health. Understanding UV levels can significantly reduce the risk of sunburn and long-term skin damage, making it essential for both residents and visitors. With its temperate climate and exposure to varying UV levels throughout the day, Grabouw regularly sees peak indices reaching up to 4 around midday. This knowledge empowers you to take proactive measures against harmful UV rays, ensuring a healthier and more enjoyable experience in the sun.

Hourly UV Index in Grabouw

The UV Index for today paints a clear picture of sun intensity throughout the hours. Starting from a low of 0 at 07:00, the day gradually warms up, reaching 1 by 08:00 and maintaining that level until 09:00. As the sun climbs higher, we see a rise to 2 at 10:00 and peaking at 4 by 13:00—the most critical time for sun exposure. After this midday high, the index dips slightly to 3 between 14:00 and 12:00, before gradually decreasing towards the evening, arriving back at 0 by 19:00. Remember to protect your skin during the peak hours when the UV Index hits its highest levels!

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	2	low	45 min
10:00	3	moderate	30 min
11:00	5	moderate	30 min
12:00	6	high	25 min
13:00	6	high	25 min
14:00	5	moderate	30 min
15:00	3	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Grabouw

The UV Index experiences significant fluctuations throughout the year, with the highest levels occurring from January to March and then again in October and November, all categorized as extreme with a rapid burn time of just 10 minutes. April and August see a dip into the high range, while May, June, and July are classified as moderate, allowing longer burn times of 30 minutes. Visitors and residents should be particularly cautious from January to March and again in October and November, as these are high-risk months for UV exposure. It's advisable to seek shade, wear protective clothing, and use sunscreen when spending time outdoors during these periods to minimize the risk of skin damage.

Monthly Maximum UV Index for Grabouw, South Africa

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

The table above highlights how UV exposure in Grabouw 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.

Grabouw'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
Grabouw	14	13	11	7	5	3	4	6	9	11	12	14
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