UV Index in Masasi, Tanzania

Last updated: June 2, 2025

Understanding the UV Index in Masasi, Tanzania is crucial for safeguarding your skin and overall health. With the region's Aw climate, residents and visitors alike face varying levels of ultraviolet exposure throughout the day, particularly during peak hours when the UV Index can soar to 10. By grasping the significance of UV levels, individuals can proactively prevent sunburn and mitigate long-term skin damage, ensuring that sunny days spent outdoors are both enjoyable and safe. Awareness of the UV Index not only enhances skin health but also promotes a more vigilant approach to outdoor activities, especially in a locale where the sun’s rays can be quite intense.

Hourly UV Index in Masasi

The UV Index today presented a dynamic journey, peaking at an intense 10 around noon. Starting from a mild 1 at 07:00, it gradually rose, reaching a moderate 3 by 09:00. As the sun climbed higher in the sky, the index surged to a striking 8 at 11:00, before hitting its maximum at 12:00. The afternoon saw a slight dip, with values at 9 at 13:00 and 8 at 14:00, but the intensity lessened to 5 by 15:00. As the day wound down, readings fell back to a gentle 1 by 17:00, eventually tapering off to a 0 by 19:00. Remember to safeguard your skin 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	1	low	45 min
09:00	3	moderate	30 min
10:00	6	high	25 min
11:00	8	very high	15 min
12:00	10	very high	15 min
13:00	9	very high	15 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	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Masasi

The UV Index exhibits significant seasonal changes throughout the year, with high-risk months identified as January to April and again in August to November, where the UV Index consistently reaches extreme levels of 15 to 14, resulting in a burn time of just 10 minutes. In June and July, the UV Index drops slightly to 10 with a very high exposure category, but caution is still warranted as the burn time increases to 15 minutes. Residents and visitors should take preventative measures during these high-risk months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade whenever possible to minimize UV exposure and reduce the risk of skin damage.

Monthly Maximum UV Index for Masasi, Tanzania

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

The table above highlights how UV exposure in Masasi 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.

Masasi'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
Masasi	15	15	15	14	12	10	10	12	13	14	14	14
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