UV Index in Mwaya, Tanzania

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Mwaya, Tanzania, where the sun can be both a source of warmth and a potential health risk. With UV levels peaking significantly between 10 AM and 2 PM, awareness of these fluctuations is key to preventing sunburn and protecting skin health. In Mwaya’s Cwb climate zone, the combination of high UV exposure and tropical sun makes it essential to take precautions throughout the year. Whether you're enjoying outdoor activities or simply soaking in the views, knowing the UV Index will help you stay safe under the Tanzanian sun.

Hourly UV Index in Mwaya

The UV Index for the day showcases a dramatic rise in sun intensity, peaking at 10 between noon and 1 PM. Early hours start off mild, with readings of 1 at 7 AM and 8 AM, which is perfect for morning strolls. As the clock ticks, the index climbs steadily; 3 by 9 AM and 5 by 10 AM signaling the sun’s strength is on the rise. The real heat kicks in at 11 AM, reaching 8, and then hitting its maximum of 10 during the critical midday hours. As the sun starts to wane post-1 PM, the index gradually drops, settling back down to 3 by 4 PM and returning to a cool 1 by 7 PM, making later hours a safer time to enjoy outdoor activities. Remember to stay protected 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	5	moderate	30 min
11:00	8	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 min
14:00	9	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Mwaya

Throughout the year, the UV Index in this region exhibits extreme levels, particularly from January to April, where it consistently reaches 16. This trend continues into August, September, October, and November, with a slightly lower peak of 14 to 15. May marks a decline to an index of 12 before it drops further to 10 in June and July, categorized as very high. With extreme UV exposure in the highest months, visitors and residents are advised to take precautions, especially between January and April and during the latter months leading up to November. Protective measures such as wearing sunscreen, appropriate clothing, and seeking shade during peak sun hours are crucial to minimize the risk of sunburn and other UV-related health issues.

Monthly Maximum UV Index for Mwaya, Tanzania

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

The table above highlights how UV exposure in Mwaya 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.

Mwaya'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
Mwaya	16	16	16	15	12	10	10	12	13	13	14	15
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