UV Index in Mersing, Malaysia

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors in Mersing, Malaysia, a region known for its vibrant sun and beautiful beaches. As the UV levels can soar to 12 during midday, being aware of these numbers is vital for effective sunburn prevention and maintaining skin health. With Mersing's tropical Af climate, the risks associated with high UV exposure are significant, especially during the peak hours from 10 AM to 2 PM. Equip yourself with knowledge on UV levels to enjoy the sunny days while protecting your skin!

Hourly UV Index in Mersing

From 07:00 to 09:00, the UV Index remains low, peaking at 2 at 09:00, making it a safe time for some morning outdoor activities. However, as the day progresses, the intensity sharply rises, reaching a significant 11 by 12:00 and peaking at an impressive 12 at 13:00. This period highlights the importance of sun protection, as the UV levels can cause harm to unprotected skin. The afternoon hours see a gradual decline, with readings dropping to 9 at 15:00 and further to 3 by 17:00. As the sun sets, the UV Index returns to safer levels of 1 between 18:00 and 19:00. Stay vigilant during the peak hours for your skin's safety!

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	1	low	45 min
09:00	3	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	13	extreme	10 min
13:00	14	extreme	10 min
14:00	13	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 Mersing

The UV Index indicates that our region experiences extreme levels of ultraviolet radiation consistently throughout the year, with the highest values occurring from February to March (15-16). Notably, all months maintain a burn time of just 10 minutes, emphasizing that even short exposures can be harmful. The high-risk months, especially March (UV Index 16) and February (UV Index 15), should prompt visitors and residents to take extra precautions, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sunlight hours. This advisory is essential, as the danger of sunburn and skin damage remains significant year-round. Be vigilant and prioritize sun safety!

Monthly Maximum UV Index for Mersing, Malaysia

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

The table above highlights how UV exposure in Mersing 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.

Mersing'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
Mersing	13	15	16	15	14	12	12	14	14	14	13	13