UV Index in Tsumeb, Namibia

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors of Tsumeb, Namibia, where the climate falls into the BSh zone, characterized by warm temperatures and ample sunlight. Awareness of UV levels is essential for preventing sunburn and protecting overall skin health, especially during peak hours when the UV Index soars as high as 8 at noon. With Tsumeb's typical exposure risks, it's vital to stay informed about daily UV fluctuations and take appropriate precautions to safeguard your skin from harmful effects while enjoying the vibrant outdoor lifestyle the region offers.

Hourly UV Index in Tsumeb

The UV Index reveals a dynamic daily pattern, starting from a minimum of 0 at 7:00 AM. As the sun rises, the index slowly climbs, reaching 1 at 8:00 AM and 2 at 9:00 AM. By 10:00 AM, it spikes to a moderate 4, indicating the need for some sun protection. The day's peak arrives at 1:00 PM, where the UV Index hits an impressive 8, highlighting the importance of staying shaded and applying sunscreen. Following this zenith, the index slowly declines, with values of 7 at 2:00 PM and 5 at 3:00 PM, before tapering off to 3 at 4:00 PM. The evening hours bring a return to lower levels, dropping to 1 by 5:00 PM and settling back to 0 by 7:00 PM, signaling a safe end to sun exposure for the day.

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	5	moderate	30 min
11:00	8	very high	15 min
12:00	10	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	4	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 Tsumeb

Throughout the year, UV Index levels reveal significant seasonal changes, with high-risk months primarily occurring from January to April and again in September to November, where the index remains at extreme or very high levels. Specifically, during the first four months, the UV Index consistently reaches 17 to 14, and in September, it spikes back to 13. By contrast, the summer months of May through August present a slight decrease, with indices ranging from 9 to 10. Despite this dip, precautions remain essential, especially as high burn times of 10 to 15 minutes are necessary throughout the year. Visitors and residents are strongly advised to wear protective clothing, apply sunscreen regularly, and seek shade, particularly during peak hours, to mitigate the risks of excessive sun exposure.

Monthly Maximum UV Index for Tsumeb, Namibia

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

The table above highlights how UV exposure in Tsumeb 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.

Tsumeb'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
Rundu UVI	17	17	15	13	10	8	8	10	12	12	15	15
Tsumeb	17	17	14	13	9	8	8	10	13	13	15	16
Oshakati UVI	17	17	16	13	10	9	9	11	13	14	15	16