Last updated: January 18, 2026
Understanding the UV Index is crucial for residents and visitors of Chironkamba, Comoros, a beautiful locale that boasts an Af climate with ample sunshine. Awareness of UV levels is vital for preventing sunburn and promoting skin health, especially as UV exposure peaks between 10 AM and 2 PM, reaching a maximum of 10 at noon. With these high levels, it's essential to take necessary precautions to safeguard your skin while enjoying the stunning outdoors, ensuring that your time in Chironkamba is as healthy as it is enjoyable.
The UV Index throughout the day presents a compelling narrative of sun exposure, peaking at a staggering 10 at 12:00 PM, indicating a need for caution. As the sun rises, the UV Index gradually climbs from 1 at 7:00 AM to a notable 4 by 9:00 AM. The ascent continues, reaching 9 by 11:00 AM, before hitting its maximum at noon. However, as the afternoon progresses, the intensity wanes, with readings dropping to 7 by 2:00 PM and eventually falling to 1 by 5:00 PM. As twilight approaches, the Index dips to 0 after 6:00 PM, promising safe evening conditions. Engaging with the sun requires awareness; ensure you're protected during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 60+ minutes |
| 08:00 | 3 | moderate | 30–60 min |
| 09:00 | 7 | high | 15–30 min |
| 10:00 | 11 | extreme | <10 minutes |
| 11:00 | 14 | extreme | <10 minutes |
| 12:00 | 16 | extreme | <10 minutes |
| 13:00 | 15 | extreme | <10 minutes |
| 14:00 | 12 | extreme | <10 minutes |
| 15:00 | 8 | very high | 10–15 min |
| 16:00 | 4 | moderate | 30–60 min |
| 17:00 | 2 | low | 60+ minutes |
| 18:00 | 1 | low | 60+ minutes |
| 19:00 | 0 | low | 60+ minutes |
The UV Index shows significant seasonal changes, with the highest readings occurring from January to April where the index remains at 16 to 13, signifying an extreme exposure category with a burn time of just 10 minutes. Following this period, the UV Index slightly decreases in June and July to 9 and 10, indicating a very high exposure category with a longer burn time of 15 minutes. As summer transitions to fall, August sees a rise back to 12, followed by consistent extreme levels of 13 from September to November. The high-risk months consistently fall between January and April, with August also posing a notable risk. Visitors and residents are advised to take precautions year-round by applying sunscreen, wearing protective clothing, and limiting sun exposure during peak hours to minimize the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fomboni UVI | 16 | 15 | 15 | 14 | 11 | 9 | 10 | 12 | 13 | 13 | 13 | 14 |
| Chironkamba | 16 | 16 | 15 | 13 | 11 | 9 | 10 | 12 | 13 | 13 | 13 | 15 |
| Tsimbeo UVI | 16 | 16 | 15 | 13 | 11 | 9 | 10 | 12 | 13 | 13 | 13 | 15 |
| Domoni UVI | 16 | 16 | 15 | 13 | 11 | 9 | 10 | 12 | 13 | 13 | 13 | 15 |
| Moutsamoudou UVI | 16 | 16 | 15 | 13 | 11 | 9 | 10 | 12 | 13 | 13 | 13 | 15 |
| Moroni UVI | 15 | 15 | 16 | 14 | 11 | 10 | 10 | 12 | 13 | 13 | 14 | 14 |