UV Index in Nyanza, Rwanda

Last updated: May 3, 2025

In Nyanza, Rwanda, awareness of the UV Index is crucial for protecting your skin from harmful solar radiation. Understanding the UV levels throughout the day is vital not only for preventing sunburn but also for maintaining overall skin health. With an Aw climate that offers plenty of sunshine, residents and visitors alike face significant exposure risks, particularly during midday hours when the UV Index peaks at a striking 14. Staying informed about UV conditions can empower you to enjoy the beautiful Nyanza sun safely!

Hourly UV Index in Nyanza

The UV Index starts off the day at a low value of 1 at 07:00, making it a safe time for outdoor activities. As the sun rises higher, the index climbs steadily, reaching a moderate 3 by 08:00 and escalating to a high 10 by 10:00. The peak intensity occurs at 12:00, where it soars to a dangerous 14, urging caution for sun exposure. After this point, the UV levels gradually decline, dropping to 12 by 13:00, and continuing to fall through the afternoon to 5 at 15:00 and down to a low 1 by 17:00. By the evening hours, the UV Index falls to 0, signaling a safe return for outdoor activities without sun protection. Stay informed and protective 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	7	high	25 min
10:00	10	very high	15 min
11:00	13	extreme	10 min
12:00	14	extreme	10 min
13:00	12	extreme	10 min
14:00	9	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 Nyanza

The UV Index exhibits significant seasonal changes, predominantly remaining in the extreme exposure category throughout the year. The highest indices are recorded from February to March, peaking at 17 in March, while values gradually decline to 12 by June and July. October sees a slight increase to 13, which persists through December. High-risk months for sun exposure are primarily from February to March, making it crucial for visitors and residents to take preventive measures. We advise everyone to wear protective clothing, use sunscreen, and seek shade whenever possible, particularly during peak UV hours to minimize the risk of skin damage.

Monthly Maximum UV Index for Nyanza, Rwanda

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

The table above highlights how UV exposure in Nyanza 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.

Nyanza'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
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
Nyanza	14	16	17	16	14	12	12	13	15	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