UV Index in Ilongero, Tanzania

Last updated: August 1, 2025

Understanding the UV Index in Ilongero, Tanzania is crucial for safeguarding your skin health. The UV Index serves as an essential guide, helping residents and visitors alike to understand the sun’s intensity and the associated risks of sunburn and long-term skin damage. With Ilongero's climate characterized by its Aw zone, the region experiences significant UV exposure, especially during midday hours when the index peaks at 12. Staying informed about UV levels can empower you to take proactive measures against harmful effects, ensuring a safer and more enjoyable time under the sun in this vibrant locale.

Hourly UV Index in Ilongero

The UV Index throughout the day reveals a dynamic shift in sun strength. Starting off with a gentle maximum of 1 at both 07:00 and 08:00, the intensity begins to rise, reaching a moderate level of 3 by 09:00. As the clock strikes 10:00, the index leaps to 6, and by 11:00, it surges to 9, indicating increasing caution is needed. The day peaks at a scorching 11 at 12:00 and reaches its zenith with an astounding 12 at 13:00. A gradual decline follows, with levels dropping to 10 at 14:00, then 7 at 15:00, and finally settling back to 4 at 16:00. As the sun starts to set, the index plummets to 2 at 17:00, then quiets to 1 by 18:00, before dropping to 0 at 19:00. Be sure to take care 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	2	low	45 min
09:00	4	moderate	30 min
10:00	7	high	25 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	14	extreme	10 min
14:00	12	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 Ilongero

The UV Index data reveals that the most critical months for UV exposure occur from January through April and again in May through September, consistently showing extreme levels with UV indices hovering between 13 and 17. Notably, the highest values are seen in March at 17 and April at 16. Visitors and residents should be especially vigilant during these months, as the burn time remains as low as 10 minutes across the year. It is crucial to wear sunscreen, protective clothing, and hats, and seek shade whenever possible, particularly during the peak hours of sun exposure. Staying informed and taking these precautions can significantly reduce the risk of overexposure to harmful UV rays.

Monthly Maximum UV Index for Ilongero, Tanzania

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

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

Ilongero's solar exposure compared to other cities in Tanzania. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Zanzibar UVI	14	14	14	14	12	10	10	12	13	13	13	13
Dar es Salaam UVI	14	14	15	14	12	10	10	12	13	13	13	13
Mwanza UVI	14	15	16	15	13	11	11	13	14	13	13	13
Arusha UVI	15	16	16	16	14	12	12	13	14	14	13	14
Mbeya UVI	16	16	16	16	13	11	11	13	14	14	14	15
Ilongero	16	16	17	16	13	11	12	14	15	14	14	15