UV Index in Batu, Indonesia

Last updated: July 2, 2025

In Batu, Indonesia, understanding the UV Index is crucial for protecting your skin and overall health. The UV levels can reach dangerous highs, especially around midday, peaking at 11—a level that signifies severe risk of harm from unprotected sun exposure. With Batu's tropical climate and sunny days, awareness of UV exposure is vital to prevent sunburn and long-term skin damage. By staying informed about the daily UV forecast, you can enjoy the stunning outdoor activities Batu has to offer while safeguarding your skin against harmful ultraviolet rays.

Hourly UV Index in Batu

As the sun rises, the UV Index climbs steadily, starting at a gentle 1 at 7:00 AM. By 8:00 AM, it reaches 3, marking the beginning of increased sun exposure. The day continues to heat up, with the index peaking at a remarkable 11 from 11:00 AM to 12:00 PM, indicating a high risk for harm from unprotected sun exposure. As the afternoon sets in, it gradually declines, dropping to 6 by 2:00 PM and subsequently to 3 by 3:00 PM. As the sun begins to descend, the index returns to a safer 1 by 4:00 PM and tapers off to 0 after 6:00 PM. This hourly trend underscores the importance of sun protection during the midday hours when the UV exposure is at its highest.

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	11	extreme	10 min
12:00	11	extreme	10 min
13:00	9	very high	15 min
14:00	6	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 Batu

The data indicates significant seasonal variations in UV exposure, with the highest UV Index recorded in February (15) and March (14), both categorized as extreme. High-risk months extend from January through April, where the UV levels are consistently extreme, demanding vigilance and protection against sunburn with a rapid burn time of just 10 minutes. Even as the year progresses into June through August, while the UV Index lowers slightly, it remains in the extreme range during July and August. September to November also showcase extreme levels, emphasizing the need for ongoing sun safety measures. Visitors and residents should apply broad-spectrum sunscreen, wear protective clothing, and seek shade during peak hours, especially from January to April and September to November, to safeguard against harmful UV radiation.

Monthly Maximum UV Index for Batu, Indonesia

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

The table above highlights how UV exposure in Batu 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.

Batu'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
Batu	14	15	14	13	12	10	11	13	14	14	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