UV Index in Manalu, Indonesia

Last updated: November 2, 2025

In the sunny enclave of Manalu, Indonesia, awareness of the UV Index is crucial for protecting your skin from harmful ultraviolet rays. Understanding UV levels not only helps in preventing painful sunburns but also plays a significant role in maintaining long-term skin health. With a tropical Af climate that exposes residents and visitors to varying UV risks throughout the day, it’s essential to stay informed. Be aware: UV levels peak between 10 AM and 2 PM, reaching dangerous highs of 13—a reminder to seek shade and apply sunscreen diligently during those hours. Embracing UV awareness will allow you to enjoy Manalu’s beautiful outdoors safely.

Hourly UV Index in Manalu

The UV Index data throughout the day reveals a dynamic shift in sunlight intensity. Starting off at 07:00 with a low index of 2, the sun's rays gain strength, peaking at 10:00 with an intense 10. By 11:00 and 12:00, the UV Index reaches its maximum of 13, indicating a high risk for unprotected skin. As the afternoon progresses, the levels begin to decline, dropping to 8 by 14:00 and further to 4 by 15:00. As the sun starts to set, the index falls to 2 at 16:00, then swiftly diminishes to 1 at 17:00, finally returning to 0 by 18:00 and 19:00. This data underscores the importance of sun safety, especially during midday when the risk is greatest.

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	2	low	45 min
08:00	5	moderate	30 min
09:00	8	very high	15 min
10:00	12	extreme	10 min
11:00	13	extreme	10 min
12:00	13	extreme	10 min
13:00	10	very high	15 min
14:00	7	high	25 min
15:00	3	moderate	30 min
16:00	1	low	45 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Manalu

Throughout the year, the UV Index remains consistently high, classified as extreme across all months, with minimal fluctuations. The highest values are recorded from February to March, peaking at 17 in March. Visitors and residents should be particularly cautious during these peak months, as the burn time is just 10 minutes, emphasizing the need for effective sun protection measures. Advising the application of broad-spectrum sunscreen, wearing protective clothing, and seeking shade when possible can help mitigate the risks associated with high UV exposure. Consistency in these practices is crucial throughout the year, as the risk of skin damage is significant even during the cooler months.

Monthly Maximum UV Index for Manalu, Indonesia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Manalu. 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 Manalu, 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 Manalu UV Index with Other Indonesia Cities

The table above highlights how UV exposure in Manalu 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.

Manalu'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
Manalu	14	16	17	16	15	13	13	14	14	14	13	12