UV Index in Kaliua, Tanzania

Last updated: July 2, 2025

In Kaliua, Tanzania, understanding the UV Index is crucial for safeguarding your skin from harmful ultraviolet rays. With its tropical climate, residents and visitors alike face varying levels of UV exposure throughout the day, especially during peak hours when the index can soar to 11, indicating a very high risk of harm from unprotected sun exposure. Being aware of UV levels not only helps prevent painful sunburns but also supports long-term skin health. Equipped with this knowledge, you can enjoy the beautiful, sunny days in Kaliua while keeping your skin protected and healthy.

Hourly UV Index in Kaliua

As the sun rises, the UV Index starts off low, peaking at 1 between 07:00 and 08:00. Gradually, the intensity climbs, reaching 2 by 09:00. The warmth of midday brings a significant surge, with UV levels hitting 10 at 12:00, and peaking at an impressive 11 by 13:00—a reminder to stay protected from the sun! By 14:00, the index begins to dip, settling at 10 before tapering off towards the evening, landing at 7 at 15:00 and then decreasing to 1 by 18:00. The day concludes with a cool 0 UV Index after sunset at 19:00, indicating it's safe to unwind outside.

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	2	low	45 min
10:00	5	moderate	30 min
11:00	8	very high	15 min
12:00	10	very high	15 min
13:00	11	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	4	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 Kaliua

Throughout the year, the UV Index in our region experiences notably extreme values, particularly from January to April, where it remains consistently at 15 or 16. As the months progress, the UV Index slightly decreases, hovering around 11 to 14 from May to December. Despite this reduction, the burn time remains critically short at just 10 minutes across all months, indicating a persistent risk of skin damage. Hence, we advise both visitors and residents to take necessary precautions during these high-risk months, especially from January to April. This includes seeking shade, wearing protective clothing, and applying sunscreen with a high SPF, particularly during peak sunlight hours to safeguard against harmful UV exposure.

Monthly Maximum UV Index for Kaliua, Tanzania

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

The table above highlights how UV exposure in Kaliua 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.

Kaliua'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
Kaliua	15	15	16	16	13	11	11	13	14	13	13	14
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