UV Index in Nioro, Mali

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Nioro, Mali, as it plays a key role in ensuring skin health and preventing sunburn. With the region’s BSh climate featuring hot, dry conditions, UV exposure can reach hazardous levels, particularly between 10 AM and 2 PM, when the index peaks at a staggering 13. Awareness of daily UV levels helps individuals take proactive measures to protect themselves from harmful rays, keeping skin healthy and safe under the blazing sun typical in Nioro. Remember, a little knowledge about UV exposure goes a long way in safeguarding your skin!

Hourly UV Index in Nioro

The UV Index shows a dramatic rise in intensity as the day progresses, peaking at an impressive 13 around noon. Starting off at a mild 1 at 7:00 AM, the index gradually climbs to a moderate 4 by 9:00 AM. It then escalates sharply to 11 at 11:00 AM, reaching a sizzling 13 by 12:00 PM and holding steady for the next hour. As the afternoon wanes, the UV index begins to dip, dropping to 8 at 3:00 PM and falling further to 5 by 4:00 PM. As the sun sets, the UV values decline rapidly, returning to a safe 1 by 6:00 PM. This data highlights the importance of sun protection during midday hours when UV exposure is at its highest. Remember to apply sunscreen and seek shade to stay safe!

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	2	low	45 min
09:00	4	moderate	30 min
10:00	7	high	25 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	11	extreme	10 min
15:00	8	very high	15 min
16:00	5	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Nioro

Throughout the year, the UV Index exhibits significant seasonal changes, with the highest levels occurring from February to October. The months of February, March, April, May, June, July, August, September, and October all fall into the extreme exposure category, where the burn time is notably short at just 10 minutes. March to October sees UV Index values peaking at 14 in April, with sustained high levels of 12 to 13 throughout the summer months, making this an especially high-risk period for sunburn. In contrast, January, November, and December present very high exposure categories with longer burn times of 15 minutes. Residents and visitors should remain vigilant during these high-risk months by wearing sunscreen, sunglasses, and protective clothing, while also limiting sun exposure during peak hours to maintain skin health.

Monthly Maximum UV Index for Nioro, Mali

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

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

Nioro's solar exposure compared to other cities in Mali. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Mopti UVI	10	11	12	13	12	12	14	14	13	11	9	9
Nioro	9	11	12	14	12	12	13	13	13	11	10	9
Segou UVI	10	11	12	13	12	13	13	13	13	11	10	9
Bamako UVI	10	11	12	13	13	13	13	14	14	11	10	9
Koutiala UVI	10	11	12	13	13	13	13	14	13	12	10	10
Sikasso UVI	11	11	12	13	13	13	14	14	14	12	10	10