UV Index in Kayes, Mali

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Kayes, Mali, where the sun's powerful rays can pose significant health risks. With maximum UV levels peaking at 12 around midday, awareness of these readings is vital for preventing sunburn and protecting skin health. Kayes, situated in a hot semi-arid climate (BSh), frequently exposes individuals to intense sunlight, making it essential to monitor UV levels throughout the day. By understanding local UV patterns—from low levels in the early morning to dangerously high levels at noon—everyone can enjoy outdoor activities while safeguarding their well-being.

Hourly UV Index in Kayes

As the sun rises, the UV Index begins its ascent, starting from a mild 1 at 07:00 and gradually climbing. By 09:00, it reaches 4, indicating a moderate risk of harm from unprotected sun exposure. The intensity peaks at 12 during the noon hour, with the index soaring to 13 by 13:00, signaling a high risk level. After this zenith, the UV Index begins its decline, returning to 9 by 15:00 and gradually tapering off to 1 by 19:00. This hourly progression highlights the importance of sun safety, especially during those midday hours when the sun is at its strongest.

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	10	very high	15 min
12:00	12	extreme	10 min
13:00	13	extreme	10 min
14:00	12	extreme	10 min
15:00	9	very high	15 min
16:00	5	moderate	30 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Kayes

The UV Index experiences significant seasonal fluctuations, with high-risk months spanning from March to October, where the index often reaches extreme levels of 12 to 13 and suggests a burn time of just 10 minutes. This period is particularly dangerous for skin exposure, emphasizing the importance of taking protective measures. January, February, November, and December still present high risks with ** very high** ratings, although the burn time extends to 15 minutes. Visitors and residents are advised to minimize outdoor activities during peak hours, wear broad-spectrum sunscreen, and use protective clothing to safeguard against harmful UV exposure, especially in the summer months when the UV levels are at their peak.

Monthly Maximum UV Index for Kayes, Mali

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

The table above highlights how UV exposure in Kayes 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.

Kayes'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
Kayes	9	9	12	12	12	13	13	13	13	12	10	8
Mopti UVI	10	11	12	13	12	12	14	14	13	11	9	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