UV Index in Gerelayang, Indonesia

Last updated: June 2, 2025

Understanding the UV Index in Gerelayang, Indonesia, is crucial for protecting your skin from harmful ultraviolet rays. With the region's tropical Aw climate, where the sun shines brightly, awareness of UV levels can prevent sunburn and long-term skin health issues. The UV Index fluctuates throughout the day, peaking between 10 AM and 1 PM, when values soar to 11, indicating a very high risk of harm from unprotected sun exposure. By staying informed about these levels, locals and visitors can make smarter choices to safeguard their skin and enjoy the beautiful, sunny days that Gerelayang has to offer.

Hourly UV Index in Gerelayang

As the sun rises, the UV Index begins its ascent, starting at a gentle 2 by 7:00 AM. By 8:00 AM, it doubles to 4, signaling the arrival of a brighter day. The intensity peaks sharply at 11:00 AM, hitting a robust 11, which calls for caution as the sun reaches its zenith. Following this crescendo, the index gradually declines; it descends to 3 by 3:00 PM, and by 4:00 PM, it further tapers to 1. As the evening approaches, the UV levels drop to 0 by 6:00 PM, ushering in a welcome reprieve from the midday sun’s harshness. Remember, during those peak hours, proper sun protection is essential!

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	4	moderate	30 min
09:00	7	high	25 min
10:00	10	very high	15 min
11:00	11	extreme	10 min
12:00	10	very high	15 min
13:00	8	very high	15 min
14:00	5	moderate	30 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 Gerelayang

Throughout the year, UV Index levels remain consistently extreme, with values ranging from 14 to 16, primarily persisting from January to April. The highest risks for sun exposure occur from February to April, with the UV Index peaking at 16 in February, indicating a critical need for protective measures during these months. Even into the summer and fall, UV levels remain significant, especially in September and October, where the Index returns to 15. Given the 10-minute burn time across all months, it is crucial for both visitors and residents to take necessary precautions including wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours year-round.

Monthly Maximum UV Index for Gerelayang, Indonesia

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

The table above highlights how UV exposure in Gerelayang 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.

Gerelayang'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
Gerelayang	14	16	15	15	13	11	12	13	15	15	14	14