UV Index in Mbarara, Uganda

Last updated: May 3, 2025

Understanding the UV Index is crucial for the residents of Mbarara, Uganda, where the sun's intensity can pose significant risks to skin health. With peak UV levels reaching as high as 14, awareness of these fluctuating levels can help prevent sunburn and long-term skin damage, especially during the midday hours when exposure is most dangerous. The Aw climate of Mbarara, characterized by warm temperatures and abundant sunshine, further heightens the need for vigilance against UV radiation. By staying informed about the UV Index, you can protect yourself and enjoy the outdoors safely.

Hourly UV Index in Mbarara

From 07:00 AM to 09:00 AM, the UV Index remains low, peaking at just 3 as the sun begins to rise. However, by 10:00 AM, it escalates sharply to 7, signifying the start of stronger UV radiation. The afternoon sees the index reach its maximum at 1:00 PM, hitting a remarkable 14 – a clear signal for sun safety measures. As the sun begins to lower, the intensity decreases gradually, dropping to 10 by 11:00 AM and bouncing back to 12 at 2:00 PM, before tapering off to a mellow 2 by 5:00 PM. By sunset, the UV Index fades back to 0 at 7:00 PM, marking the end of a day infused with sun intensity. If you’re spending time outdoors, be vigilant during peak hours from 10 AM to 2 PM for optimal protection against UV rays.

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	1	low	45 min
09:00	3	moderate	30 min
10:00	7	high	25 min
11:00	10	very high	15 min
12:00	13	extreme	10 min
13:00	14	extreme	10 min
14:00	12	extreme	10 min
15:00	9	very high	15 min
16:00	5	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Mbarara

Throughout the year, UV Index levels remain consistently high, particularly from January to May, where values peak at 16 in March and maintain extreme exposure categories. This pattern continues into the summer, with UV Indexes around 12 to 14 from June to September. Thus, the high-risk months for UV exposure are March and February, with values of 16 and 15, respectively. To ensure safety, both visitors and residents should take protective measures throughout the year, including wearing sunscreen, protective clothing, and sunglasses, especially during these high-risk months, as burn time remains at just 10 minutes across all months. Staying hydrated and seeking shade during peak sunlight hours is also crucial to minimize the risk of skin damage.

Monthly Maximum UV Index for Mbarara, Uganda

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

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

Mbarara's solar exposure compared to other cities in Uganda. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Kampala UVI	14	15	16	15	13	11	11	12	13	12	12	12
Jinja UVI	14	15	16	15	13	11	11	12	13	12	12	12
Gulu UVI	14	15	16	15	14	12	12	13	14	13	12	12
Lira UVI	14	15	16	15	14	12	12	12	13	13	12	12
Mbarara	14	15	16	15	14	12	12	13	14	13	12	12