UV Index in Rehoboth, Namibia

Last updated: June 2, 2025

In Rehoboth, Namibia, understanding the UV Index is crucial for protecting your skin and overall health. As residents of a region known for its arid climate and abundant sunlight, being aware of UV levels can help prevent painful sunburns and long-term skin damage. With peak UV Index readings soaring to 7 during the midday hours, it's essential to be proactive about sun safety to enjoy the outdoors while safeguarding your skin. So, whether you’re soaking up the sun or engaging in outdoor activities, keeping an eye on the UV Index will ensure you stay protected under Rehoboth’s bright skies.

Hourly UV Index in Rehoboth

The UV Index throughout the day presents an intriguing pattern of intensity. Starting off at 0 at 7:00 AM, the index gradually rises, reaching a modest 1 by 8:00 AM. As the sun climbs higher, the UV levels escalate, peaking at a robust 7 from 12:00 PM to 1:00 PM—marking the most intense exposure period of the day. A gentle decline follows, with the index at 6 at 2:00 PM, then dropping to 4 by 3:00 PM. By the late afternoon, UV levels taper off to 2 at 4:00 PM, before settling at 1 by 5:00 PM and fading to 0 as twilight approaches at 7:00 PM. This data underscores the importance of sun safety during midday hours, when UV exposure is at its highest.

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	5	moderate	30 min
12:00	7	high	25 min
13:00	7	high	25 min
14:00	6	high	25 min
15:00	4	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Rehoboth

Throughout the year, there are significant seasonal variations in UV Index levels. The highest risk months are from January to April, where the UV Index remains at an extreme level (between 12 and 17) with a burn time of just 10 minutes. This risk persists again in September, October, and November. Meanwhile, May and August represent a very high exposure category with slightly extended burn times of 15 minutes, while June and July exhibit high UV levels with a burn time of 25 minutes. Visitors and residents are advised to take precautions during peak months—from January to April and again in late summer and fall—by seeking shade, wearing protective clothing, and applying sunscreen regularly to reduce the risk of skin damage.

Monthly Maximum UV Index for Rehoboth, Namibia

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

The table above highlights how UV exposure in Rehoboth compares to other major locations across Namibia. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Rehoboth's solar exposure compared to other cities in Namibia. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Swakopmund UVI	14	14	12	11	8	6	6	8	11	12	13	14
Walvis Bay UVI	14	14	12	11	8	6	6	8	11	12	13	14
Windhoek UVI	16	17	14	12	9	7	7	10	12	14	15	16
Rehoboth	16	17	14	12	9	7	7	10	12	14	16	16
Rundu UVI	17	17	15	13	10	8	8	10	12	12	15	15
Oshakati UVI	17	17	16	13	10	9	9	11	13	14	15	16