UV Index in Koua, Comoros

Last updated: June 2, 2025

In Koua, Comoros, understanding the UV Index is crucial for safeguarding your skin and overall health. Elevated UV levels can lead to sunburn, accelerated skin aging, and an increased risk of skin cancer. With Koua’s tropical Af climate, residents and visitors alike face significant UV exposure, particularly during midday hours when the index peaks at a whopping 10. By staying informed about daily UV levels, you can take proactive measures to enjoy the sunshine safely, ensuring your outdoor adventures remain fun without compromising your skin's health.

Hourly UV Index in Koua

The hourly UV Index reveals a dynamic range of sun exposure today. Starting off at a gentle 1 at 7:00 AM, the index steadily climbs, peaking at a striking 10 by 12:00 PM—the peak exposure time. As the sun reaches its zenith, caution is advised for outdoor activities during the 11:00 AM to 1:00 PM window when the index remains high at 9 and 10. Following this midday surge, the index gracefully descends; by 3:00 PM, it dips to 4 and continues to decline to 1 by 5:00 PM. Finally, after a brief respite, the UV rays fade to 0 by 6:00 PM, signaling a safe return for evening outdoor plans. Stay sun-smart and enjoy the day wisely!

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	6	high	25 min
11:00	9	very high	15 min
12:00	10	very high	15 min
13:00	9	very high	15 min
14:00	7	high	25 min
15:00	4	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Koua

The UV Index exhibits significant seasonal variation, with extreme levels persisting from January to April and again in the late summer months of August to November. The highest UV Index is recorded in March at 16, with a critical burn time of just 10 minutes, making it imperative for visitors and residents alike to take precautions. The months of January, February, March, April, August, September, October, November, and December all fall under the extreme exposure category, while June and July are classified as very high. Individuals should plan outdoor activities accordingly, using sunscreen, wearing protective clothing, and seeking shade to minimize the risk of UV-related health issues during these high-risk months.

Monthly Maximum UV Index for Koua, Comoros

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

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

Koua's solar exposure compared to other cities in Comoros. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Fomboni UVI	16	15	15	14	11	9	10	12	13	13	13	14
Tsimbeo UVI	16	16	15	13	11	9	10	12	13	13	13	15
Domoni UVI	16	16	15	13	11	9	10	12	13	13	13	15
Moutsamoudou UVI	16	16	15	13	11	9	10	12	13	13	13	15
Koua	15	15	16	14	11	10	10	12	13	13	14	14
Moroni UVI	15	15	16	14	11	10	10	12	13	13	14	14