UV Index in Longnawang, Indonesia

Last updated: June 2, 2025

In Longnawang, Indonesia, understanding the UV Index is crucial for ensuring skin health and preventing sunburn. With a tropical Af climate, residents and visitors alike face significant UV exposure, particularly during peak hours, when the index can soar as high as 13. By being aware of daily UV levels, you can take proactive steps to protect yourself from harmful effects, ensuring a safe and enjoyable experience under the Indonesian sun. Whether you're lounging at the beach or engaging in outdoor activities, knowing the UV Index helps you plan wisely and safeguard your skin against potential damage.

Hourly UV Index in Longnawang

The UV Index throughout the day reveals a prominent peak around midday, making it crucial to stay sun-safe. Starting with a gentle rise from 1 at 07:00, the index escalates rapidly, reaching 5 by 09:00 and climbing to an impressive 12 at 11:00. The intensity peaks at 13 from 12:00 to 13:00, indicating that sun protection is essential during these hours. As the afternoon progresses, the index gradually declines, dropping to 10 by 14:00 and concluding the day with modest levels of 3 at 16:00 and dwindling to 1 by 17:00 and 0 by 19:00. Be sure to take precautions during the midday sun for a safe and enjoyable outdoor experience!

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	5	moderate	30 min
10:00	8	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	10	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 Longnawang

Throughout the year, the UV Index remains consistently extreme, with only slight variations in intensity. The highest levels occur from January to April, peaking at 17 in February and March, indicating that these months pose the greatest risk for sunburn, with a burn time as short as 10 minutes. Visitors and residents are strongly advised to take protective measures, such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours. The risk level remains high into the summer and fall months, with UV Index ratings ranging from 13 to 16 until November. It is crucial for individuals to maintain awareness of UV exposure throughout the year, as the risk of skin damage persists even in lower intensity months.

Monthly Maximum UV Index for Longnawang, Indonesia

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

The table above highlights how UV exposure in Longnawang 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.

Longnawang'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
Longnawang	15	17	17	16	15	13	13	15	16	15	15	14