Last updated: May 3, 2025
Understanding the UV Index is essential for everyone living in Loandjili, Congo, where the tropical climate can lead to high levels of sun exposure. Awareness of UV levels plays a crucial role in sunburn prevention and maintaining skin health, as the sun's rays can be particularly intense throughout the day. With UV Index readings peaking at a striking 12 around midday, it’s vital for residents and visitors alike to take precautions to protect themselves from the harmful effects of prolonged sun exposure. By staying informed about the daily UV Index, you can enjoy the beautiful atmosphere of Loandjili while safeguarding your skin from potential damage.
The UV Index throughout the day reveals a dynamic range of solar intensity, peaking at 12 around noon. Starting the day gently, the index registers a low 1 at 7:00 AM, gradually rising to 2 by 8:00 AM. As the sun climbs higher, it reaches 5 by 9:00 AM, then surges to a robust 11 by 11:00 AM, signaling higher caution for outdoor activities. The peak at midday is a daunting 12, urging everyone to seek shade and wear protective gear. The intensity begins to taper off in the afternoon, dropping back to 8 at 2:00 PM and further to 5 by 3:00 PM. By the late afternoon, the index drops significantly to 1 at 5:00 PM and settles at 0 by 6:00 PM, giving a gentle reminder that the sun's might can vary dramatically throughout the day.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 2 | 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 variations throughout the year, with extreme levels consistently observed from January to April, and again in September, October, and November. March sees the peak UV Index of 14, marking it as one of the highest-risk months alongside January, February, and April. Although June through August show a slight decrease with a very high category, caution remains essential. Visitors and residents are advised to take protective measures, especially during extreme UV months, by wearing sunscreen, protective clothing, and sunglasses, and by seeking shade during peak sun hours. With burn times as low as 10 minutes, maintaining vigilance is crucial to safeguard skin health year-round.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Brazzaville UVI | 13 | 13 | 14 | 13 | 11 | 8 | 8 | 10 | 10 | 12 | 13 | 12 |
| Loandjili | 13 | 13 | 14 | 13 | 12 | 9 | 8 | 10 | 11 | 13 | 13 | 12 |
| Pointe-Noire UVI | 13 | 13 | 14 | 13 | 12 | 9 | 8 | 10 | 11 | 13 | 13 | 12 |
| Kayes UVI | 14 | 14 | 14 | 14 | 12 | 9 | 9 | 10 | 11 | 13 | 13 | 13 |
| Owando UVI | 12 | 12 | 14 | 14 | 13 | 10 | 10 | 10 | 13 | 13 | 12 | 11 |
| Dolisie UVI | 14 | 14 | 14 | 14 | 12 | 9 | 9 | 10 | 11 | 13 | 13 | 13 |