UV Index in Sumurnanjung, Indonesia

Last updated: May 3, 2025

Understanding the UV Index in Sumurnanjung, Indonesia, is crucial for safeguarding your skin and overall health. With the region's tropical climate and high UV exposure, awareness of UV levels can help prevent sunburn and long-term skin damage. As the day progresses, UV levels peak between 10:00 AM and 1:00 PM, reaching alarming highs of 12—indicating a very high risk of harm from unprotected sun exposure. Being mindful of these levels empowers residents and visitors alike to enjoy the beautiful Sumurnanjung outdoors while minimizing the risks associated with UV radiation.

Hourly UV Index in Sumurnanjung

The UV Index throughout the day exhibits a dramatic rise as the sun reaches its apex. Starting at a minimal 1 at 07:00, the index climbs gradually, hitting 3 by 08:00. The real heat arrives at 09:00, when it surges to 6, peaking at a striking 12 from 11:00 to 12:00—an indication to seek shade and protect your skin. As the afternoon progresses, the index begins to descend, dropping to 10 at 13:00, then gradually decreasing to 4 by 15:00. By late afternoon, the UV intensity diminishes, with values falling to 2 at 16:00, and becoming negligible, hitting 1 by 17:00 before fading into the night with a 0 at 18:00 and beyond. Stay informed and shield yourself from those midday rays!

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	12	extreme	10 min
12:00	12	extreme	10 min
13:00	10	very high	15 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 Sumurnanjung

The UV Index experiences significant highs throughout the year, remaining in the extreme exposure category from January to December. Notably, the highest UV levels occur from February to March and in October, with indices reaching 16, marking these months as high-risk for skin damage. Visitors and residents should be aware that burn time is only 10 minutes regardless of the month, indicating a consistent risk for sunburn. To protect against harmful UV exposure, it is essential to seek shade, wear protective clothing, use broad-spectrum sunscreen, and limit time outdoors during peak sunlight hours, particularly from February to March and October. Staying vigilant year-round is crucial given the persistent high UV levels.

Monthly Maximum UV Index for Sumurnanjung, Indonesia

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

The table above highlights how UV exposure in Sumurnanjung 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.

Sumurnanjung'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
Sumurnanjung	15	16	16	15	12	11	11	13	15	16	15	14