UV Index in Masat, Indonesia

Last updated: July 2, 2025

Understanding the UV Index is essential for residents and visitors in Masat, Indonesia, where the tropical climate brings plenty of sunshine but also significant UV exposure risks. With UV levels often peaking at a staggering 12 around midday, knowing how to protect yourself can be the difference between an enjoyable day outdoors and painful sunburn or long-term skin damage. By monitoring the UV Index, you can take proactive steps to safeguard your skin health and enjoy the beautiful environment of Masat while minimizing UV-related risks. Stay informed and protect your skin from the sun’s powerful rays!

Hourly UV Index in Masat

The UV Index today paints a vivid picture of the sun's intensity throughout the hours. Starting at a mild 1 by 07:00, it gradually rises to 12 at 12:00, marking the peak of solar strength. As the clock strikes 11:00, sun-seekers should be cautious, with the index reaching 11. After this zenith, it begins to dip, descending to 6 by 15:00 and tapering off to a gentle 1 by 17:00. Finally, as daylight wanes, the index drops to 0 by 19:00, signaling the day's end. Stay protected during the peak hours, especially between 10:00 and 14:00, when the sun’s rays are most formidable! 🌞

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	9	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 Masat

The UV Index exhibits high levels of UV radiation throughout the year, consistently measuring between 12 and 16, categorizing the risk as extreme across all months. The high-risk months—January through April—feature peak values at 16, indicating burn times as short as 10 minutes for unprotected skin. Although the UV Index slightly decreases in June and July to 12, it remains in the extreme category, and begins to rise again in late summer with values of 14 in August and September. Residents and visitors alike should take precautions year-round, including wearing protective clothing, applying sunscreen liberally, and seeking shade, especially during peak hours, as the potential for skin damage is significant regardless of the season.

Monthly Maximum UV Index for Masat, Indonesia

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

The table above highlights how UV exposure in Masat 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.

Masat'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
Masat	15	16	16	15	14	12	12	14	14	15	15	15