UV Index in Harding, South Africa

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors of Harding, South Africa, where the climate can vary significantly throughout the year. With UV levels peaking around midday, an awareness of these fluctuations is essential for preventing sunburn and promoting long-term skin health. Harding's Cfb climate features recurring sunny days, making it vital to stay informed about potential UV exposure risks, especially during peak hours when the index can reach levels as high as 5. By checking the UV Index, you can take proactive measures to enjoy the outdoors safely.

Hourly UV Index in Harding

The UV Index throughout the day follows a distinct pattern, with the intensity peaking at 12:00 PM when it reaches a noteworthy level of 5. Morning hours start off mild, with values of 1 at 07:00 and 08:00, gradually escalating to 2 by 09:00, then climbing to 4 at 11:00. Post-noon, the index slightly decreases, falling to 4 again at 13:00, before tapering off to 2 by 15:00. As the day winds down, the levels drop significantly, plunging to 0 by 19:00. This highlights the importance of sun protection during the midday hours when UV radiation is at its strongest.

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 Harding

Throughout the year, the UV Index experiences significant fluctuations, with high-risk months typically occurring from January to March and then again in October and November. These months showcase extreme UV levels, reaching a peak of 15 in January and December, with a minimal burn time of just 10 minutes. The spring and fall months show a shift to very high categories in April, September, and significant rising levels in February and March. By May to August, while still requiring precautions, the UV Index drops to moderate and high levels, with burn times increasing to 25-30 minutes. It is crucial for both residents and visitors to take protective measures during the highest UV periods by wearing appropriate sunblock, protective clothing, and seeking shade to mitigate the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for Harding, South Africa

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

The table above highlights how UV exposure in Harding 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.

Harding'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
Harding	15	14	12	9	6	4	5	7	10	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