Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Radamata, Indonesia, where the tropical climate brings intense sunlight and varying UV levels throughout the day. With peak UV ratings soaring to 10 around midday, awareness of these fluctuations is vital for sunburn prevention and maintaining healthy skin. Knowing when UV levels are highest helps you take proactive measures, ensuring your outdoor activities are both enjoyable and safe. As you explore this beautiful region, remember that the sun can be fierce, making it essential to protect yourself from its harmful effects.
As the day unfolds, the UV Index experiences a notable rise, peaking at a maximum of 10 between 11:00 AM and 12:00 PM, indicating a high risk of harm from unprotected sun exposure. Early morning rays see the index start modestly at 1 at 07:00, gradually climbing to 4 by 09:00. The sun reaches its zenith at noon, prompting a cautious approach to outdoor activities. From 1:00 PM, the index begins a gradual decline, tapering to 4 by 3:00 PM, and reverting to safer levels below 2 by 4:00 PM. As daylight wanes, the index drops to 0 after 6:00 PM, signaling that the sun's intensity has fully subsided. Remember to stay sun-safe during 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 | 7 | high | 25 min |
11:00 | 10 | very high | 15 min |
12:00 | 10 | very high | 15 min |
13:00 | 9 | very high | 15 min |
14:00 | 7 | high | 25 min |
15:00 | 4 | 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 seasonal changes in UV Index reveal consistently extreme levels from January through May, with values hovering between 15 and 16, indicating a critical risk for skin damage with a burn time of just 10 minutes. Although the UV Index drops slightly in June to 10, it remains classified as very high with a burn time of 15 minutes, and then escalates back to extreme levels in July and August. The highest levels are observed again in September with a UV Index of 15. As the year progresses towards November and December, the UV Index remains at 15, sustaining a high-risk exposure category. Residents and visitors should take precautions during these high-risk months by wearing protective clothing, using high SPF sunscreen, and seeking shade, especially during peak sunlight hours.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Surabaya UVI | 13 | 15 | 14 | 12 | 12 | 10 | 11 | 12 | 14 | 13 | 13 | 13 |
Bekasi UVI | 14 | 16 | 16 | 14 | 11 | 10 | 10 | 11 | 13 | 15 | 14 | 13 |
Jakarta UVI | 14 | 16 | 16 | 14 | 11 | 10 | 10 | 11 | 13 | 15 | 14 | 13 |
Medan UVI | 13 | 15 | 15 | 15 | 14 | 12 | 12 | 13 | 14 | 14 | 13 | 12 |
Bandung UVI | 15 | 16 | 16 | 15 | 12 | 11 | 11 | 12 | 14 | 15 | 15 | 14 |
Radamata | 15 | 16 | 15 | 15 | 12 | 10 | 11 | 13 | 15 | 15 | 15 | 15 |