UV Index in Gereba, Indonesia

Last updated: June 2, 2025

Understanding the UV Index is crucial for anyone living in or visiting Gereba, Indonesia, a region characterized by its warm, tropical climate. With UV levels peaking at an intense 11 during midday hours, awareness of these numbers is essential for sunburn prevention and maintaining long-term skin health. The high UV exposure risks associated with Gereba's climate make it imperative to take protective measures, ensuring that you enjoy the sun safely while minimizing harm to your skin. Stay informed and protect yourself from the sun's harmful rays!

Hourly UV Index in Gereba

The UV Index for the day displays a striking pattern of intensity, peaking at 11 around 12:00 PM. Early morning hours start on a low note, with a maximum of only 1 at 07:00 AM. As the sun climbs higher, the index escalates rapidly, hitting 6 by 09:00 AM and soaring to an impressive 10 at 11:00 AM. From there, it reaches its apex at 12:00 PM, before gradually declining in the afternoon. By 3:00 PM, the index drops to 3, further decreasing to 1 by 5:00 PM and finally settling at 0 by 6:00 PM, indicating a much safer level as the day winds down. It’s a clear reminder to 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	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	10	very high	15 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 Gereba

The UV Index exhibits remarkably high values throughout the year, remaining in the extreme exposure category of 11 to 16, which poses significant risk of skin damage. The high-risk months are consistently from January to March, where the UV Index peaks at 15 to 16, followed closely by April and October with UV Index values also reaching 14 or higher. Residents and visitors are strongly advised to take precautions during these months, including wearing protective clothing, applying broad-spectrum sunscreen with high SPF, and limiting sun exposure, especially during peak hours. Remember, effective sun protection is essential year-round in this area due to the persistently high UV levels.

Monthly Maximum UV Index for Gereba, Indonesia

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

The table above highlights how UV exposure in Gereba 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.

Gereba'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
Gereba	15	15	16	14	12	11	11	13	14	15	15	14