Last updated: July 2, 2025
Understanding the UV Index in Berastagi, Indonesia is crucial for keeping your skin safe from the harmful effects of ultraviolet radiation. With the city's tropical Af climate, residents and visitors alike face significant UV exposure, particularly during midday hours when levels peak. Being aware of UV levels plays a vital role in preventing sunburn and promoting long-term skin health, especially when the index reaches a high of 13 around noon. Familiarizing yourself with daily UV fluctuations not only protects your skin but also helps enhance your overall outdoor experience in this beautiful mountainous region.
As the sun rises, the UV Index gradually climbs, starting from a gentle 1 at 07:00, ideal for a morning stroll. By 09:00, it reaches 4, prompting a bit more caution if you're outdoors. The sun's intensity peaks sharply at 12:00 with a blistering 13, signaling the importance of sunscreen and protective clothing, especially as it remains high until 14:00. As the afternoon progresses, the index drops steadily, falling to 4 by 16:00, and finally winding down to 1 by 18:00. As sunset approaches at 19:00, the UV threat dwindles to 0, allowing for a safe evening in the fading light. Be sure to stay protected 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 | 8 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 11 | extreme | 10 min |
15:00 | 7 | high | 25 min |
16:00 | 4 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, UV Index values indicate an extreme risk of harm from unprotected sun exposure, particularly between January and October. The highest UV Index is recorded in March and April at 16, signaling these months as critical periods for potential sunburn, with a burn time of merely 10 minutes. While May to August maintains a consistent UV Index around 13 to 15, caution is still essential as these months also pose high risk. As the year progresses, September to November experiences slightly reduced levels, yet the UV Index remains at extreme levels around 14 to 15, reinforcing the need for protective measures. Residents and visitors are strongly advised to use sunscreen, wear protective clothing, and seek shade during peak sunlight hours to minimize the risk of UV-related health issues.
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 |
Berastagi | 14 | 15 | 16 | 16 | 15 | 13 | 13 | 14 | 15 | 15 | 14 | 13 |