UV Index in Mataram, Indonesia

Last updated: June 2, 2025

In Mataram, Indonesia, being aware of the UV Index is crucial for safeguarding your skin health and preventing sunburn. The tropical climate exposes residents and visitors to elevated UV levels, particularly during peak hours when the index can soar as high as 10 around noon. Understanding these UV levels empowers you to take necessary precautions, ensuring that you enjoy the beautiful Indonesian sun safely. With typical readings climbing rapidly from mid-morning onwards, it's essential to stay informed and protect yourself against the harmful effects of solar radiation in this vibrant region.

Hourly UV Index in Mataram

The UV Index offers a glimpse into the sun's intensity throughout the day. At 07:00, it starts gently with a reading of 1, gradually climbing to 2 by 08:00. As the sun rises higher, the index peaks at an impressive 10 at 12:00, indicating the most potent rays. It slightly eases to 9 at 13:00 and then descends further to 7 at 14:00, before falling to 5 by 15:00. The late afternoon brings a significant drop, with the index retreating to 2 at 16:00 and dwindling to 1 by 17:00. By 18:00 and 19:00, the UV Index returns to 0, signaling the end of the sun's peak intensity for the day. Be sure to protect your skin during those midday hours when the sun is strongest!

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	4	moderate	30 min
10:00	7	high	25 min
11:00	9	very high	15 min
12:00	10	very high	15 min
13:00	9	very high	15 min
14:00	7	high	25 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