UV Index in Mataram, Indonesia

Last updated: May 3, 2025

In Mataram, Indonesia, understanding the UV Index is vital for safeguarding your skin against harmful ultraviolet rays. With UV levels peaking at a remarkable 12 around noon, it's crucial to be aware of your sun exposure to prevent sunburn and long-term skin damage. The tropical climate here—characterized by warm temperatures and high humidity—exacerbates these risks, making diligence in sun protection even more important. By staying informed about daily UV fluctuations, you can enjoy the beautiful outdoor scenery while keeping your skin health in check.

Hourly UV Index in Mataram

The UV Index throughout the day reveals a dynamic range of solar intensity, peaking at 12 around noon. Starting the day gently, the index registers a low 1 at 7:00 AM, gradually rising to 2 by 8:00 AM. As the sun climbs higher, it reaches 5 by 9:00 AM, then surges to a robust 11 by 11:00 AM, signaling higher caution for outdoor activities. The peak at midday is a daunting 12, urging everyone to seek shade and wear protective gear. The intensity begins to taper off in the afternoon, dropping back to 8 at 2:00 PM and further to 5 by 3:00 PM. By the late afternoon, the index drops significantly to 1 at 5:00 PM and settles at 0 by 6:00 PM, giving a gentle reminder that the sun's might can vary dramatically throughout the day.

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	11	extreme	10 min
12:00	12	extreme	10 min
13:00	11	extreme	10 min
14:00	8	very high	15 min
15:00	5	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 Mataram

The UV Index exhibits significant seasonal changes, with the highest levels occurring from January to April, where it reaches an extreme rating of 15-16 and a rapid burn time of just 10 minutes. July and August also present high-risk conditions with indices of 11 and 13 respectively. Recognizing these trends, January through April and July through September are particularly high-risk months for UV exposure. Residents and visitors should take extra precautions during these periods, such as seeking shade, wearing protective clothing, and applying sunscreen frequently, to minimize the risk of skin damage.

Monthly Maximum UV Index for Mataram, Indonesia

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

The table above highlights how UV exposure in Mataram 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.

Mataram'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
Mataram	15	16	15	15	13	10	11	13	15	15	14	14