UV Index in Muar, Malaysia

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Muar, Malaysia, especially given the region's tropical climate and high levels of sun exposure. With UV levels peaking at 12 during midday hours, being aware of these values helps prevent painful sunburns and long-term skin damage. Maintaining skin health should be a priority, as the sun’s rays can be incredibly intense. Stay informed about the UV Index to effectively plan your outdoor activities and enjoy the sun safely, while safeguarding against potential risks associated with high UV exposure in this vibrant city.

Hourly UV Index in Muar

The UV Index today presents an enlightening journey through the hours, starting gently at 07:00 with a value of 0, indicating minimal sun exposure. As the sun climbs higher, the index rises steadily, reaching 2 at 09:00 and 5 by 10:00, signaling a time to embrace sun protection. The peak arrives during the lunchtime hours, soaring to a striking 12 at 13:00 and 14:00—a clear call for caution as UV rays intensify. As the afternoon progresses, the index begins to decline, dropping to 9 at 15:00 and tapering off to 3 by 17:00. As evening approaches, the UV levels diminish further to 1 at both 18:00 and 19:00, inviting a more relaxed end to the day. Stay smart and safe under the sun!

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	0	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	5	moderate	30 min
11:00	8	very high	15 min
12:00	11	extreme	10 min
13:00	12	extreme	10 min
14:00	12	extreme	10 min
15:00	9	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Muar

The UV Index in our region reveals a pattern of extreme sun exposure throughout the year, with the highest values observed from February to April, peaking at 16 in March. January also shows a remarkably high index of 13, indicating that high-risk months for UV exposure include February, March, and April. Residents and visitors should exercise caution year-round, as the burn time remains consistently low at just 10 minutes, even during the summer months of June and July, which hold a lower but still significant UV index of 12. It is crucial for everyone to take preventative measures, such as applying sunscreen, wearing protective clothing, and seeking shade during peak hours, to safeguard against the harmful effects of UV radiation.

Monthly Maximum UV Index for Muar, Malaysia

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

The table above highlights how UV exposure in Muar compares to other major locations across Malaysia. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Muar's solar exposure compared to other cities in Malaysia. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Kampung Baru Subang UVI	13	15	15	14	13	12	12	13	14	14	13	12
Klang UVI	13	15	15	14	13	12	12	13	14	14	13	12
Kuala Lumpur UVI	13	15	15	14	13	12	12	13	14	14	13	12
Kota Bharu UVI	13	15	16	15	14	13	12	13	14	14	12	12
Johor Bahru UVI	13	15	16	14	13	12	12	13	14	14	13	13
Muar	13	15	16	15	14	12	12	13	14	14	13	13