UV Index in Petrusville, South Africa

Last updated: June 2, 2025

In Petrusville, South Africa, being aware of the UV Index is crucial for ensuring skin health and preventing sunburn. Understanding the levels of UV radiation can empower residents to take necessary precautions against harmful sun exposure. From late spring to early autumn, the high UV readings—reaching around 5 during midday—can pose significant risks, especially in the region's semi-arid climate. With the sun's intensity peaking at noon, staying informed about UV levels can help you enjoy the outdoors safely while protecting your skin from damage.

Hourly UV Index in Petrusville

At dawn, the UV Index begins at a gentle 0 by 07:00, indicating minimal exposure risk. As the sun rises higher, the index steadily climbs, reaching 1 at 08:00 and peaking at 5 between 12:00 and 13:00, when the sun’s rays are at their most intense. During these peak hours, it’s wise to don your sunscreen and protective gear. Following this zenith, the index gracefully descends, dropping to 4 at 14:00 and tapering off to 2 by 15:00. As the afternoon fades to evening, the UV levels reduce significantly, returning to a safe 0 by 18:00. This hourly UV pattern underscores the importance of sun safety during peak daylight hours!

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	4	moderate	30 min
12:00	5	moderate	30 min
13:00	5	moderate	30 min
14:00	4	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 Petrusville

Throughout the year, UV levels exhibit significant seasonal fluctuations. The high-risk months for UV exposure are from December to March, during which the UV Index reaches extreme levels of 15 to 16 and burn times are as short as 10 minutes. September and November also show elevated UV risks, with indices of 11 to 14. Visitors and residents are strongly advised to take precautions during these months, such as wearing broad-spectrum sunscreen, protective clothing, and sunglasses, while seeking shade during peak hours. As UV exposure decreases in the late spring and summer months, it's still important to remain vigilant, particularly in April and August, where the UV Index can still reach very high levels.

Monthly Maximum UV Index for Petrusville, South Africa

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

The table above highlights how UV exposure in Petrusville 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.

Petrusville'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
Petrusville	15	15	13	10	7	5	5	8	11	12	14	16
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