UV Index in Belajen, Indonesia

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Belajen, Indonesia, where the tropical climate presents unique challenges to skin health. With peak UV levels soaring to an intense 13 around noon, awareness of these values is vital for sunburn prevention and overall skin safety. During the hottest parts of the day, taking precautions against harmful UV radiation becomes essential, as failure to do so can lead to serious skin damage. In Belajen, where sunshine is abundant, knowing when to seek shade or apply sunscreen can make all the difference in maintaining healthy skin and enjoying the outdoors safely.

Hourly UV Index in Belajen

At dawn, the UV Index starts low at 1 by 7:00 AM, gradually climbing to 3 by 8:00 AM. The sun rises high, peaking at 13 around 12:00 PM, serving as a reminder to stay protected from the sun’s rays. The intensity begins to wane in the afternoon, dropping to 9 by 2:00 PM, and steadily declines to 1 by 5:00 PM. As evening approaches, the UV Index falls to 0 by 6:00 PM, marking the end of a day with notable sun exposure. Remember, during peak hours—between 10:00 AM and 2:00 PM—it's crucial to take precautions to shield yourself from UV damage!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	3	moderate	30 min
09:00	6	high	25 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	9	very high	15 min
15:00	5	moderate	30 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Belajen

Throughout the year, UV Index levels in the region consistently indicate extreme exposure, with values reaching a peak of 17 in the first half of the year. Specifically, the highest UV indexes occur from January to April, marking these months as the highest risk for UV-related harm, where unprotected skin can burn in just 10 minutes. While UV levels slightly decrease during the summer months of June to August (ranging from 12 to 14), caution is still necessary. The fall months of September to November maintain high levels around 15 to 16, emphasizing the need for ongoing vigilance. Residents and visitors are advised to take protective measures year-round, such as wearing sunscreen, protective clothing, and sunglasses when outdoors, especially during peak sun hours, to minimize the risk of skin damage.

Monthly Maximum UV Index for Belajen, Indonesia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Belajen. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Belajen, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Belajen UV Index with Other Indonesia Cities

The table above highlights how UV exposure in Belajen compares to other major locations across Indonesia. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Belajen's solar exposure compared to other cities in Indonesia. Generated using Copernicus Atmosphere Monitoring Service information.
	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
Belajen	16	17	17	17	14	12	13	14	15	16	15	15