UV Index in Karuzi, Burundi

Last updated: July 2, 2025

Understanding the UV Index in Karuzi, Burundi is crucial for safeguarding your skin against harmful ultraviolet radiation. With the region's Aw climate, which typically presents a mix of sun and rainfall, knowing the UV levels can help prevent sunburn and promote overall skin health. During peak hours, especially between 11:00 AM and 1:00 PM, the UV Index can reach an alarming 12, indicating a high risk of harm from unprotected sun exposure. By staying informed about these levels, you can better protect yourself and your loved ones from the long-term effects of sun damage.

Hourly UV Index in Karuzi

The UV Index throughout the day reveals a dynamic range of solar intensity, peaking at 12 around noon. Starting the day gently, the index registers a low 1 at 7:00 AM, gradually rising to 2 by 8:00 AM. As the sun climbs higher, it reaches 5 by 9:00 AM, then surges to a robust 11 by 11:00 AM, signaling higher caution for outdoor activities. The peak at midday is a daunting 12, urging everyone to seek shade and wear protective gear. The intensity begins to taper off in the afternoon, dropping back to 8 at 2:00 PM and further to 5 by 3:00 PM. By the late afternoon, the index drops significantly to 1 at 5:00 PM and settles at 0 by 6:00 PM, giving a gentle reminder that the sun's might can vary dramatically throughout the day.

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	5	moderate	30 min
10:00	8	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 Karuzi

Throughout the year, the UV Index remains alarmingly high, consistently categorized as extreme from January through May, with values ranging from 14 to 16. The high-risk months are primarily from January to April when the UV Index is at its peak of 15 to 16, indicating that unprotected skin can burn in just 10 minutes. Although the UV Index slightly decreases in the summer months of June and July, it remains at 12, still posing a significant risk. As we transition into the late summer and fall, the index stabilizes around 13 to 14. Visitors and residents should take precautions by applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade, especially during midday hours. Being vigilant about sun safety is crucial year-round given the consistently high UV levels.

Monthly Maximum UV Index for Karuzi, Burundi

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

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

Karuzi's solar exposure compared to other cities in Burundi. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Bujumbura UVI	14	15	16	16	13	11	11	12	13	13	13	13
Ruyigi UVI	15	15	16	16	13	11	11	13	14	13	13	13
Karuzi	15	15	16	15	14	12	12	13	14	13	13	13
Muyinga UVI	15	15	16	15	14	12	12	13	14	13	13	13
Ngozi UVI	15	16	16	16	14	12	11	13	15	13	13	13
Gitega UVI	15	16	17	16	14	12	12	13	14	13	13	14