UV Index in Semporna, Malaysia

Last updated: July 2, 2025

In Semporna, Malaysia, being aware of the UV Index is crucial for safeguarding your skin against harmful ultraviolet rays. Understanding the UV levels not only helps prevent sunburn but also plays a vital role in maintaining long-term skin health, especially under the intense sun typical of this tropical paradise. With a climate classified as Af, Semporna experiences significant UV exposure, particularly during midday when the index peaks at 13. This highlights the importance of sun protection throughout the day, ensuring you can enjoy the stunning landscapes while keeping your skin safe.

Hourly UV Index in Semporna

The UV Index for the day showcases a dynamic shift in sun intensity, peaking at 1 PM with a remarkable 13. As the morning unfolds, the index gradually climbs from a low 1 at 7 AM, reaching 5 by 9 AM. The sun's power ramps up significantly, hitting 9 by 10 AM and cresting at 12 and 13 during the late morning and noon hours. However, by mid-afternoon, the intensity begins to wane, dropping to 10 at 2 PM, then sliding to 6 by 3 PM, before tapering off to 3 at 4 PM. As the day winds down, the UV Index falls back to 1 by 5 PM, and finally rests at 0 after 7 PM, signaling a golden opportunity to enjoy the outdoors while taking sun safety precautions during the height of 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	3	moderate	30 min
09:00	5	moderate	30 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	10	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 Semporna

Throughout the year, the UV Index in this region remains consistently high, peaking from February to March with a staggering 17, categorized as extreme, requiring only 10 minutes of sun exposure before risking a burn. The months of January, February, March, and April stand out as high-risk months, with UV indices ranging from 14 to 17. Visitors and residents should exercise caution during these months, wearing protective clothing, applying sunscreen, and seeking shade to minimize UV exposure. Even in the warmer months of June to August, the UV Index remains elevated, so it is important to stay vigilant throughout the year and protect oneself from harmful UV rays.

Monthly Maximum UV Index for Semporna, Malaysia

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

The table above highlights how UV exposure in Semporna 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.

Semporna'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
Semporna	14	16	17	16	14	13	13	14	15	15	13	12