UV Index in Rehoboth, Namibia

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors of Rehoboth, Namibia, where the sun shines bright in a BWh climate. By being aware of UV levels, you can take essential steps to protect your skin from harmful sun exposure, preventing painful sunburn and promoting long-term skin health. During peak hours, especially between 10 AM and 2 PM, UV levels can soar, reaching a maximum of 9—a serious risk for those outdoors. Make informed choices to enjoy the beautiful Namibian sun safely!

Hourly UV Index in Rehoboth

The UV Index paints a vivid picture of sun exposure throughout the day. Starting with a zero at 07:00, the day gradually awakens with a gentle rise to 1 by 08:00. As the sun climbs higher, the index surges to a moderate 2 at 09:00, but the real intensity strikes at 11:00, peaking at 8 and reaching its maximum of 9 by 13:00. This sun-soaked afternoon prompts a decrease, with readings falling to 7 at 14:00 and gradually tapering to 5 by 15:00. The evening brings a welcome decline as the index sinks back to 1 at 17:00, before ultimately returning to 0 by 19:00. With such variations throughout the hours, it’s a reminder to embrace sun safety during those peak UV moments!

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	4	moderate	30 min
11:00	7	high	25 min
12:00	8	very high	15 min
13:00	9	very high	15 min
14:00	7	high	25 min
15:00	5	moderate	30 min
16:00	3	moderate	30 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