UV Index in Grootfontein, Namibia

Last updated: July 2, 2025

Understanding the UV Index in Grootfontein, Namibia is crucial for safeguarding your skin and overall health. With high UV levels typically peaking around midday, knowing the UV Index can help you effectively plan your outdoor activities and take necessary precautions to prevent sunburn. Given the region's BSh climate, which offers plenty of sunshine throughout the year, residents and visitors alike should remain vigilant against prolonged exposure. By staying informed about UV exposure risks in Grootfontein, you can enjoy the sun safely while protecting your skin for years to come.

Hourly UV Index in Grootfontein

At dawn, the UV Index starts at a cool 0 at 07:00, indicating minimal sun exposure risk. As the day unfolds, it slowly rises, reaching 1 by 08:00 and climbing to 2 by 09:00. The sun gains strength, peaking at 8 from 12:00 to 13:00—be sure to wear sunscreen during these hours! A gradual decline follows, with the index dropping to 7 at 14:00, then tapering off to 5 by 15:00. By late afternoon, the UV Index decreases further, sinking to 3 at 16:00, before returning to 1 by 17:00 and settling back at 0 as night falls at 19:00. This hourly trend underscores the importance of protecting your skin when the sun is at its zenith!

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	6	high	25 min
12:00	8	very high	15 min
13:00	8	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 Grootfontein

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 Grootfontein, Namibia

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

The table above highlights how UV exposure in Grootfontein 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.

Grootfontein'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
Grootfontein	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