UV Index in Lady Grey, South Africa

Last updated: June 2, 2025

Understanding the UV Index in Lady Grey, South Africa, is essential for everyone who enjoys the outdoors. With the potential for sunburn and long-term skin damage, being aware of UV levels can significantly impact your skin health. Lady Grey, nestled in a temperate climate with cool summers and moderate UV exposure, experiences varying sun intensity throughout the day. From a low of 1 in the early hours to a peak of 5 around midday, knowing these levels empowers residents and visitors alike to take precautions during peak exposure times, ensuring a safer and more enjoyable time under the South African sun.

Hourly UV Index in Lady Grey

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	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	4	moderate	30 min
14:00	3	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 Lady Grey

Throughout the year, UV exposure varies significantly, peaking in the winter and approaching moderate levels in the summer months. January through March, and again in September, October, November, and December, are characterized by extreme UV index values, with a burn time of merely 10 minutes. April marks a transition to a very high UV index of 10 and a burn time of 15 minutes, while May sees a slightly reduced index of 6, categorized as high with a burn time of 25 minutes. June and July maintain moderate levels at 5, allowing for 30 minutes of safer exposure. However, August escalates again to a very high index of 8. Given this information, it is crucial for both visitors and residents to take precautions, especially during the high-risk months from November to March and mid-September, by wearing protective clothing, applying sunscreen, and seeking shade during peak sun hours.

Monthly Maximum UV Index for Lady Grey, South Africa

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

The table above highlights how UV exposure in Lady Grey 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.

Lady Grey'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
Lady Grey	15	15	13	10	6	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