Last updated: June 2, 2025
In Riachão do Jacuípe, Brazil, awareness of the UV Index is essential for maintaining skin health and preventing sunburn. With the region's tropical climate and the UV levels peaking at a high of 10 around noon, understanding these UV indices can help residents and visitors alike protect themselves from harmful ultraviolet radiation. The significance of monitoring UV levels cannot be overstated, as it empowers individuals to take necessary precautions during the most intense sun hours, particularly between 10 AM and 2 PM, when the risk of skin damage is greatest. Stay informed and keep your skin safe while enjoying the sun!
From 07:00 to 19:00, the UV Index shifts dramatically throughout the day, reaching its peak at 12:00 with a formidable score of 10. The morning starts off gently, with a safe 1 at 07:00, rising to 3 by 08:00. As the sun climbs, so does the intensity, hitting 8 by 10:00, and a high of 9 at 11:00. The sun's rays are most potent from 11:00 to 13:00, where caution is advised if you're out and about. Post-12:00, there's a gradual decline, winding down to a 3 at 15:00, 1 by 17:00, and finally dropping to 0 by 19:00 as daylight fades. Remember, during those peak hours, it’s wise to seek shade and protect your skin!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 8 | very high | 15 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 |
The UV Index experiences significant fluctuations throughout the year, with extreme levels dominating from January to April, maintaining a high risk of sunburn with a rapid burn time of just 10 minutes. May sees a slight decrease to an UV Index of 11, categorized as extreme, but summer months of June and July offer a brief reprieve with a UV Index of 10, classified as very high, boosting burn time to 15 minutes. As we transition into late summer and early autumn, the UV Index spikes back up to 12 in August and 13 in September, indicating again extreme exposure risks. The trend persists into October and November with levels returning to 15, and December remaining severe at 14. For both visitors and residents, it is crucial to take precautionary measures during these high-risk months, especially those from January to April and October to December. Always apply sunscreen, wear protective clothing, and limit sun exposure to prevent harmful effects of UV radiation.
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 |
| 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 |
| Riachao do Jacuipe | 15 | 14 | 14 | 13 | 11 | 10 | 10 | 12 | 13 | 15 | 15 | 14 |
| Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |