UV Index in Rengganis, Indonesia

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Rengganis, Indonesia, where the tropical Af climate brings intense sunlight throughout the year. As UV levels can peak at an alarming 13 during midday, awareness of these levels is essential for effectively preventing sunburn and promoting long-term skin health. With the sun's rays becoming dangerously strong between 10:00 AM and 1:00 PM, knowing when to seek shade or apply sunscreen can make all the difference for your skin’s resilience against harmful UV exposure. Stay informed and protect yourself while enjoying the beautiful outdoors of Rengganis!

Hourly UV Index in Rengganis

At 07:00 AM, the UV Index starts off low at 1, making it a safe time for outdoor activities. However, as the sun rises, the UV intensity quickly escalates; by 09:00 AM, it reaches 7, signaling the need for sun protection. The peak occurs at 11:00 AM and 12:00 PM, hitting a robust 13, where harmful UV rays are at their strongest. As the afternoon progresses, the index gradually declines, falling to 4 by 15:00 PM, and tapering down to a mere 0 by 19:00 PM. This data underscores the importance of sun safety during the midday hours when 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	7	high	25 min
10:00	10	very high	15 min
11:00	13	extreme	10 min
12:00	13	extreme	10 min
13:00	11	extreme	10 min
14:00	7	high	25 min
15:00	4	moderate	30 min
16:00	2	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 Rengganis

The UV Index data reveals that from January to April, the index remains at 15-16, indicating an extreme exposure category with a burn time of just 10 minutes. This trend continues with equally high readings throughout the summer months, peaking in February and March. Notably, September and October also see a resurgence of high UV levels (15-16). Consequently, the highest-risk months are February, March, and October, where viewers should take extra precautions. Visitors and residents are strongly advised to apply sunscreen, wear protective clothing, and limit sun exposure during peak hours to mitigate risks associated with this extreme UV environment.

Monthly Maximum UV Index for Rengganis, Indonesia

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

The table above highlights how UV exposure in Rengganis 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.

Rengganis'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
Rengganis	15	16	16	15	13	11	12	13	15	16	15	15