Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Geser, Indonesia, where the tropical climate can lead to high levels of ultraviolet radiation. Awareness of UV exposure is essential for preventing sunburn and protecting skin health, especially during peak hours when the index can reach dangerous levels of 12 and 13. With Geser's climate characterized by consistent sunshine, knowing the UV levels helps you take the right precautions to enjoy the outdoors safely. By staying informed, you can enjoy the beauty of Geser while keeping your skin safe from harmful UV rays.
The UV Index throughout the day exhibits a striking pattern, starting off at a mild level of 1 at 07:00, gradually increasing to 2 by 08:00. As the sun climbs higher, the index surges to 5 at 09:00, and then hits a peak of 13 at 12:00. The sun is its strongest around 11:00 and 12:00, with values of 12 and 13 respectively, indicating a high risk of harm from unprotected sun exposure. After this zenith, the index starts to taper off, dropping to 10 at 14:00, and further declining to 6 by 15:00. The afternoon brings relief, with levels dropping to 3 at 16:00 and settling at 1 by the evening hours after 17:00, culminating in a UV Index of 0 by 19:00. This clear trend underscores the importance of sun safety during the peak hours of 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 | 9 | very high | 15 min |
11:00 | 12 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 10 | very high | 15 min |
15:00 | 6 | high | 25 min |
16:00 | 3 | moderate | 30 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, the UV Index in this region remains at a high level, with values between 14 and 17 predominantly in the first half of the year, signaling an extreme exposure category. The highest risk months for UV exposure are from January to April, where the UV Index peaks at 17 in March. As summer approaches, while there is a slight decrease in UV levels, they remain elevated, particularly in August and September. It’s important for visitors and residents to exercise caution year-round: wear protective clothing, use broad-spectrum sunscreen with high SPF, and limit sun exposure during peak hours, especially when the UV Index is at its highest. Regular checks of the UV Index are recommended to stay informed and safe.
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 |
Geser | 15 | 16 | 17 | 16 | 13 | 11 | 12 | 13 | 15 | 16 | 15 | 14 |