UV Index in Rehoboth, Namibia

Last updated: August 1, 2025

In Rehoboth, Namibia, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. With the city situated in a BWh climate zone, residents and visitors alike often find themselves exposed to high UV levels, especially during the midday hours. As the UV Index can reach a maximum of 7 around noon, it's essential to be aware of these levels to protect yourself from harmful effects of ultraviolet radiation. Regularly checking the UV Index not only helps in planning outdoor activities but also empowers you to take proactive measures against sun damage, ensuring a safer and more enjoyable experience under the Namibian sun.

Hourly UV Index in Rehoboth

The UV Index throughout the day paints a clear picture of solar intensity, beginning with a gentle 0 at 7 AM and rising steadily as the morning unfolds. By 10 AM, it climbs to a moderate 3, and at 11 AM, it hits 5, signaling the need for some sun protection. The sun reaches its apex at 12 PM and 1 PM, with a peak UV Index of 7, indicating a high risk of harm from unprotected sun exposure. As the afternoon progresses, the index gradually decreases, dipping back to 5 by 3 PM, and falling further to 1 by 5 PM. By 7 PM, the UV Index returns to 0, marking a safe end to the sun-filled day. Remember to stay sun-safe during those peak 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	5	moderate	30 min
11:00	7	high	25 min
12:00	9	very high	15 min
13:00	10	very high	15 min
14:00	9	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	2	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