Last updated: June 2, 2025
Understanding the UV Index in Diadema, Brazil is crucial for protecting your skin and overall health. With typical UV exposure levels peaking in the mid-day hours, being aware of the UV Index can help you take proactive measures against sunburn and long-term skin damage. Diadema’s Cfa climate characterizes it with warm temperatures and considerable sun exposure, making it essential to stay informed about daily UV levels. Whether you’re enjoying outdoor activities or simply spending time in the sun, knowing the UV Index can empower you to make smart choices for skin health and safety.
The UV Index for today reveals a steady climb in radiation as the sun rises, starting at 1 at 07:00 and maintaining this low level until 09:00. From 10:00 onward, the index escalates to a peak of 6 by 11:00 and 12:00, making midday the most intense for UV exposure. As the afternoon progresses, it gradually tapers off, descending to 4 at 14:00 and dropping further to 2 by 15:00. The evening brings a welcome relief, with levels plunging to 1 by 16:00 and ultimately falling to 0 between 18:00 and 19:00. Stay protected during those peak hours! 🌞
| 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 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 4 | moderate | 30 min |
| 15:00 | 2 | low | 45 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index exhibits significant seasonal changes, peaking between January and April with extreme levels ranging from 15 to 16, which translates to a rapid burn time of just 10 minutes. Following this intense period, May marks a decrease to a very high index of 8, with a slightly longer burn time of 15 minutes. From June to July, the UV exposure remains high, with indices of 6 to 7, allowing for up to 25 minutes of safe sun exposure. As summer fades, August sees a rise again to a very high index of 9, followed by a return to extreme levels in September and throughout the fall months into December, where the index consistently hovers around 14 to 15 with a 10-minute burn time. Consequently, the highest risk months for UV exposure are from January to April and September to November. Visitors and residents are strongly advised to take necessary precautions during these periods, such as using sunscreen, wearing protective clothing, and seeking shade to minimize the risk of sunburn and long-term skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rio de Janeiro UVI | 15 | 14 | 13 | 10 | 7 | 6 | 7 | 9 | 11 | 12 | 13 | 15 |
| Diadema | 16 | 15 | 12 | 11 | 8 | 6 | 7 | 9 | 11 | 13 | 14 | 15 |
| Sao Paulo UVI | 16 | 15 | 12 | 11 | 8 | 6 | 7 | 9 | 11 | 13 | 14 | 15 |
| Belo Horizonte UVI | 17 | 16 | 14 | 12 | 9 | 7 | 8 | 10 | 12 | 13 | 14 | 16 |
| Salvador UVI | 14 | 14 | 14 | 13 | 10 | 9 | 9 | 12 | 12 | 15 | 15 | 14 |
| Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |