UV Index in Bantul, Indonesia

Last updated: June 2, 2025

In Bantul, Indonesia, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding UV levels helps residents and visitors alike make informed decisions about sun exposure, particularly during peak hours when the index climbs to 11 around midday. Bantul's tropical climate, characterized by abundant sunshine, means that the risk of harmful UV radiation is significantly higher, especially during the dry season. By staying informed about the UV Index, you can protect your skin while enjoying the beautiful outdoors of this vibrant region.

Hourly UV Index in Bantul

The UV Index for the day presents a clear picture of sun intensity, starting off gentle in the early hours. At 7:00 AM, it begins at a mild 1, increasing to 2 by 8:00 AM. As the sun rises higher, the index climbs rapidly; by 10:00 AM, it reaches 7 and peaks at an intense 11 around 12:00 PM and 1:00 PM. After this zenith, the levels gradually decline, dropping to 9 by 2:00 PM, 6 at 3:00 PM, and settling back to a safe 1 by 5:00 PM. The UV exposure diminishes further, reaching a low of 0 by 7:00 PM. Stay protected during those peak hours!

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	2	low	45 min
09:00	4	moderate	30 min
10:00	7	high	25 min
11:00	10	very high	15 min
12:00	11	extreme	10 min
13:00	11	extreme	10 min
14:00	9	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

Monthly UV Index Trends in Bantul

Throughout the year, UV Index levels remain primarily in the extreme category, peaking at 16 in March and extending to 15 in multiple months. The high-risk months for UV exposure are January through April, and September through October, where the index consistently hits 15 or above, signifying a burn time of just 10 minutes. Residents and visitors should take precautions during these months by wearing protective clothing, applying sunscreen, and seeking shade, especially during midday when UV radiation is strongest. It's crucial to stay vigilant against sunburn and skin damage year-round due to these consistently high UV exposure levels.

Monthly Maximum UV Index for Bantul, Indonesia

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

The table above highlights how UV exposure in Bantul 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.

Bantul'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
Bantul	15	15	16	15	14	12	12	13	15	15	14	14