Last updated: July 2, 2025
In Mwandiga, Tanzania, being aware of the UV Index is crucial for protecting your skin against the sun's harmful rays. High UV levels can lead to painful sunburns and long-term skin health issues, making it essential to monitor daily UV exposure. With a tropical climate characterized by intense sunlight, particularly from late morning to early afternoon, Mwandiga experiences significant UV exposure risks, peaking at a striking 11 around midday. Understanding these UV levels empowers residents and visitors to take proactive measures to safeguard their skin while enjoying the vibrant outdoors.
As the sun rises, the UV Index gradually climbs, starting from 0 at 07:00. By 08:00, it reaches a modest 1, signaling a gentle warmth in the air. The intensity peaks around 11:00, soaring to a **moderate 7, and hits its maximum at 12:00 and 13:00, with a striking 10 and 11 respectively. During these hours, it’s crucial to take precautions against the sun. As the afternoon fades, the index begins its descent: 10 at 14:00, 7 at 15:00, and gently falling to 1 by 18:00 before dropping to 0 after 19:00. This shift illustrates a typical day’s sun exposure, where midday intensity demands attention and care.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 0 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 2 | low | 45 min |
10:00 | 4 | moderate | 30 min |
11:00 | 7 | high | 25 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 |
During the year, UV Index levels remain extremely high, particularly peaking from January to April with readings ranging from 14 to 16, necessitating swift action to protect against skin damage. The month of March represents the highest risk with a UV Index of 16. Surprisingly, even during the summer months of June and July, where the index settles at 11, the risk of harm is still significant, as every month in this data indicates a burn time of just 10 minutes. Visitors and residents alike should prioritize sun safety by seeking shade, wearing protective clothing, and applying sunscreen diligently, especially during these high-risk months. Staying vigilant against UV exposure is essential for health, regardless of the season.
UV Risk Categories
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 |
Mwandiga | 14 | 15 | 16 | 16 | 13 | 11 | 11 | 12 | 13 | 12 | 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 |