UV Index in Napak, Uganda

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Napak, Uganda, where the sun shines brightly throughout the year. With the region's Aw climate, it experiences intense UV radiation levels, peaking at 12 around midday, which poses significant risks for sunburn and long-term skin health. Being aware of these UV levels not only aids in preventing immediate skin damage but also promotes overall skin care. As you navigate daily activities, staying informed about the UV Index can ensure you enjoy the beautiful sun safely and protect your skin from harmful effects.

Hourly UV Index in Napak

The UV Index fluctuates throughout the day, peaking dramatically as the sun reaches its zenith. Starting at 1 during the early hours, it climbs steadily to reach 6 by 10:00 AM. The most intense exposure occurs between 12:00 PM and 1:00 PM, where it peaks at an impressive 12. As the afternoon progresses, the index gradually declines, dropping to 8 by 3:00 PM and then tapering off to 1 by 6:00 PM and lingering at 0 by 7:00 PM. For those planning outdoor activities, it's essential to be mindful of this fluctuation, particularly during the midday hours when UV radiation is at its highest—an optimal time for sun protection measures!

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	6	high	25 min
11:00	10	very high	15 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	8	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 Napak

The UV index demonstrates significant seasonal changes, with the highest values occurring from January to April, where it peaks at 16, indicating extreme exposure risk, with a burn time of only 10 minutes. May sees a slight drop to 14, but remains high, while the summer months of June and July maintain an index of 12, still categorized as extreme. As we transition into August, September, and October, the index slightly fluctuates but remains relatively high at 13 and 14, with November and December experiencing a minor decline to 12. Residing or visiting during these high-risk months—particularly January through April—calls for diligent sun protection measures. It's crucial for individuals to limit sun exposure, wear protective clothing, and apply sunscreen frequently, especially during peak sun hours, to avoid severe sunburn and long-term skin damage.

Monthly Maximum UV Index for Napak, Uganda

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

The table above highlights how UV exposure in Napak 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.

Napak'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 UVI	14	15	16	15	14	12	12	13	14	13	12	12
Napak	15	16	16	15	14	12	12	13	14	13	13	12