UV Index in Cullinan, South Africa

Last updated: June 2, 2025

Understanding the UV Index in Cullinan, South Africa is vital for safeguarding your skin and promoting overall health. The UV Index—an essential measure of the sun's ultraviolet radiation—provides insight into sunburn risk, allowing residents and visitors alike to take necessary precautions. With Cullinan’s mild Cwb climate, UV exposure can escalate quickly, especially during midday hours, peaking at a significant 6 at noon. By being aware of UV levels, you can enjoy the sunny outdoors while minimizing the risk of sunburn and long-term skin damage. Stay informed and protect yourself from the sun’s rays!

Hourly UV Index in Cullinan

The UV Index today showcased a notable increase from the early morning hours, starting at a gentle 1 at 07:00 and 08:00. As the sun rose higher in the sky, the index climbed steadily, reaching a significant 6 by 12:00, indicating a peak in UV radiation and the need for sun protection. The afternoon saw a slight decline, with values dropping to 4 at 14:00 and falling further to 2 by 15:00. As the day wound down, the UV index returned to a safer range, ending the day at 0 by 19:00. It’s crucial to stay informed and safeguard your skin during those high UV 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	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	6	high	25 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 Cullinan

Throughout the year, UV exposure varies significantly, with extreme UV Index levels observed from January to March and again in September to November. Notably, January and December each reach a peak UV Index of 16, indicating a very high risk of harm from unprotected sun exposure, with a burn time of just 10 minutes. The transition months of April and August present very high exposure conditions, while May to July see a shift to high categories, allowing slightly longer burn times of 25 minutes. As the sun’s intensity increases, it is crucial for both visitors and residents to take protective measures, especially during the high-risk months of January, February, March, September, October, and November. Umbrellas, sunscreen, protective clothing, and seeking shade during peak hours are highly recommended to ensure safety against the harmful effects of UV radiation.

Monthly Maximum UV Index for Cullinan, South Africa

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

The table above highlights how UV exposure in Cullinan 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.

Cullinan'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
Johannesburg UVI	15	15	13	10	7	6	6	8	11	12	14	16
Cullinan	16	15	13	10	7	6	6	9	11	13	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