Last updated: May 3, 2025
Understanding the UV Index is essential for residents and visitors in Itapema, Brazil, as it plays a critical role in safeguarding skin health and preventing sunburn. With a Cfa climate that often features intense sun exposure, awareness of daily UV levels can help individuals make informed decisions about outdoor activities and sun protection. The UV Index in Itapema can reach a peak of 7 at noon, indicating a high risk of harm from unprotected sun exposure, particularly during the summer months. Stay informed and protect your skin by keeping an eye on these crucial UV levels!
The UV Index data for the day reveals a dynamic pattern of sun exposure. Starting off at a low level, both 7:00 AM and 8:00 AM maintain a mere index of 1, indicating minimal UV radiation. As the sun climbs higher, 9:00 AM sees the index rise to 3, gradually peaking at 12:00 PM with an intense 7, suggesting it's time for sun protection. The afternoon hours show a slight decline, with 1:00 PM and 2:00 PM still holding strong at 6 and 5 respectively. As the day winds down, the index drops sharply after 3:00 PM, falling back to a 1 by 4:00 PM and eventually reaching 0 by 6:00 PM, marking a safe return from the sun's harsh rays. It's a reminder of the importance of sun safety during those midday hours!
| 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 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 3 | moderate | 30 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 |
Throughout the year, UV Index levels show significant seasonal variation, peaking during the winter months. From January to March, the UV Index remains in the extreme category (15 to 12), with a rapid burn time of just 10 minutes, making these months high-risk for sun exposure. April sees a drop to very high (10), with a slightly longer burn time of 15 minutes, while May and June transition to a high category (7 and 6), with burn times increasing to 25 minutes. The risk decreases in July to moderate (5), with a burn time of 30 minutes, but by August and September, it returns to very high (8 and 10) with burn times decreasing again to 15 minutes. October through December reverts back to extreme conditions (14 and 15), once more allowing only 10 minutes of safe exposure. Residents and visitors should exercise caution during the high-risk months of January, February, March, October, November, and December by limiting sun exposure and using protective measures such as sunscreen, clothing, and seeking shade, especially during peak hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Itapema | 15 | 14 | 12 | 10 | 7 | 6 | 5 | 8 | 10 | 13 | 14 | 15 |
| Rio de Janeiro UVI | 15 | 14 | 13 | 10 | 7 | 6 | 7 | 9 | 11 | 12 | 13 | 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 |