UV Index in Jozini, South Africa

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Jozini, South Africa, where the warm Cfa climate often leads to increased sun exposure. As UV levels can rise significantly throughout the day—peaking at a UV Index of 5 around noon—awareness helps in preventing sunburn and protecting your skin health. With typical exposure risks, especially during the sunniest hours, it's essential to monitor these levels and take necessary precautions to enjoy the beautiful outdoor environment Jozini has to offer safely.

Hourly UV Index in Jozini

The UV Index for the day showcases a clear peak during the midday hours, rising from a low of 1 at 07:00 and 08:00. By 09:00, it reaches 2, but the real intensity hits at 10:00, soaring to 4. The maximum exposure occurs around 11:00 and 12:00, both maintaining a 5 on the scale, urging sun-seekers to take precautions. As the afternoon progresses, the index gently declines to 4 at 13:00, then dips further to 3 by 14:00. By the time the clock strikes 15:00, it drops to 2, and the evening sets in with a comfortable 1 at 16:00. After 17:00, the UV Index drops to 0, signaling a safe end to sun-related activities.

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	4	moderate	30 min
11:00	5	moderate	30 min
12:00	5	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	0	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Jozini

Throughout the year, UV Index levels fluctuate significantly, with the highest risk months being January, February, March, and November, where the UV Index reaches extremes of 15 to 14, resulting in a burn time of just 10 minutes. From April onward, UV exposure becomes slightly more moderate, with May and August classified as high at 7, allowing for a longer burn time of 25 minutes. The summer months of June and July see a decrease to a moderate level of 5, offering a safer exposure time of 30 minutes. Visitors and residents are therefore advised to exercise caution during the extreme months, practicing protective measures such as wearing sunscreen, hats, and protective clothing, especially when the UV Index is 9 or above, as even brief exposure can lead to skin damage.

Monthly Maximum UV Index for Jozini, South Africa

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

The table above highlights how UV exposure in Jozini 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.

Jozini'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
Jozini	15	14	12	9	7	5	5	7	10	12	13	14
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