UV Index in Cyangugu, Rwanda

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Cyangugu, Rwanda, as it plays a vital role in promoting skin health and preventing sunburns. With its Cwb climate, characterized by mild temperatures yet significant sun exposure, knowing the daily UV levels can help you make informed decisions about outdoor activities. Particularly during midday hours, when the UV Index peaks at 12, the risk of harmful ultraviolet radiation increases substantially. By staying aware of these levels, you can protect your skin and enjoy the beautiful outdoors without compromising your health.

Hourly UV Index in Cyangugu

At dawn, the UV Index starts off low at 1 at 07:00, but as the sun rises, so does the intensity of UV radiation. By 09:00, it reaches 5, climbing rapidly to a peak of 12 at 12:00. The midday sun is fierce, with the UV Index hitting its maximum of 11 at 11:00 and slightly dropping to 8 by 14:00. As the afternoon progresses, the index declines steadily, returning to a more moderate 5 at 15:00, then tapering off to 2 by 16:00. The day concludes with a safe 1 at 17:00 and fades to 0 from 18:00 onwards, indicating a reprieve from UV exposure. Remember to protect your skin during those peak hours!

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	3	moderate	30 min
09:00	5	moderate	30 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	11	extreme	10 min
14:00	8	very high	15 min
15:00	5	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 Cyangugu

The UV Index consistently remains extremely high throughout the year, peaking at 17 in March. From January to May, the index ranges from 15 to 17, marking these months as high-risk periods for skin damage with a very short burn time of just 10 minutes. While the index slightly declines from June to August, it stays above 11, indicating continued vigilance is necessary. The UV Index then averages around 13 from September to December, maintaining an elevated risk level. Residents and visitors are advised to take appropriate sun safety measures year-round, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sunlight hours to mitigate potential health impacts.

Monthly Maximum UV Index for Cyangugu, Rwanda

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

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

Cyangugu's solar exposure compared to other cities in Rwanda. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Gisenyi UVI	15	16	16	16	14	12	11	13	14	13	13	13
Cyangugu	15	16	17	16	14	12	11	13	14	13	13	13
Kigali UVI	15	16	16	15	14	12	12	13	14	13	13	13
Gitarama UVI	15	16	16	16	14	12	12	13	14	13	13	13
Butare UVI	14	16	17	16	14	12	12	13	15	13	13	13
Musanze UVI	15	16	17	16	14	12	12	13	14	14	13	14