Last updated: June 2, 2025
In Vavatenina, Madagascar, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. With its tropical Af climate, this scenic locale experiences varying UV levels throughout the day, peaking at 8 around midday. This means that even a short period of sun exposure can lead to harmful effects, especially during the higher readings from 10 AM to 2 PM. By staying informed about the UV Index, residents and visitors can take proactive measures to protect themselves from excessive UV exposure, ensuring enjoyable outdoor experiences while prioritizing their skin’s safety.
The UV Index shines a spotlight on the day’s sun exposure, starting off gently at 1 by 7:00 AM. As the morning unfolds, the intensity gradually ramps up, peaking at 8 between 11:00 AM and 12:00 PM, suggesting this is the optimal time for sun protection. After noon, the UV Index begins its descent, dropping to 6 at 1:00 PM and tapering off further to 2 by 3:00 PM. As evening approaches, the UV levels relax to 1 by 4:00 PM, and ultimately retreat to 0 after 6:00 PM. Remember to enjoy the sunshine wisely, especially during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 6 | high | 25 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 |
Throughout the year, seasonal UV changes reveal significant fluctuations in the UV Index, with the highest levels occurring during the winter and early spring months of January to March, where the index peaks at 17 and is categorized as extreme. As the year progresses, values decrease slightly but remain high, particularly in April (12) and May (10), before dropping to very high levels from June to August. High-risk months for UV exposure are notably concentrated between January and April, as well as in August and September; each of these months features an extreme UV index with a burn time of just 10 minutes. Visitors and residents are strongly advised to take necessary precautions during these months, including wearing sunscreen, protective clothing, and seeking shade when outdoors, particularly between 10 a.m. and 4 p.m., to minimize the risk of harmful UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Toamasina UVI | 16 | 16 | 15 | 12 | 9 | 7 | 8 | 10 | 12 | 12 | 13 | 15 |
| Fianarantsoa UVI | 17 | 17 | 15 | 12 | 9 | 7 | 8 | 10 | 12 | 13 | 14 | 16 |
| Vavatenina | 17 | 17 | 15 | 12 | 10 | 8 | 9 | 11 | 12 | 12 | 13 | 15 |
| Mahajanga UVI | 16 | 16 | 15 | 13 | 10 | 8 | 9 | 11 | 12 | 12 | 13 | 15 |
| Antananarivo UVI | 17 | 17 | 15 | 12 | 10 | 8 | 9 | 11 | 13 | 13 | 14 | 16 |
| Antsirabe UVI | 17 | 17 | 16 | 13 | 10 | 8 | 9 | 11 | 13 | 13 | 14 | 16 |