UV Index in Sibu, Malaysia

Last updated: July 2, 2025

Understanding the UV Index in Sibu, Malaysia is crucial for protecting your skin and overall health. With the tropical climate characterized by high humidity and intense sunlight, local residents and visitors must be aware of fluctuating UV levels throughout the day. The UV Index can soar to a maximum of 13 between noon and 1 PM, signaling a significant risk for sunburn and long-term skin damage. Being informed about these levels can help you take appropriate precautions, ensuring you enjoy Sibu's beautiful outdoors while keeping your skin safe from harmful ultraviolet rays.

Hourly UV Index in Sibu

As the day unfolds, the UV Index climbs steadily, starting at a moderate 1 at 07:00 and peaking at a scorching 13 from 12:00 to 13:00. This spike signifies a heightened risk of harm from unprotected sun exposure, particularly around 11:00, when the index hits 11—a strong warning to seek shade and wear sunscreen. A gradual decline begins at 14:00, dipping to 8 by 15:00, before sliding back to a safe 2 by 17:00 and ultimately falling to 0 as daylight fades at 19:00. Plan outdoor activities wisely to minimize sun damage during those peak hours!

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	11	extreme	10 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	11	extreme	10 min
15:00	8	very high	15 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Sibu

The UV Index shows consistently extreme levels throughout the year, with values ranging from 13 to 16. Notably, the high-risk months are January through April, where the UV Index peaks at 16 in February and March, indicating a burn time of just 10 minutes. Visitors and residents alike should take precautions, especially during these months, by regularly applying sunscreen, wearing protective clothing, and seeking shade during peak hours. As the UV Index gradually decreases in the summer and remains steady in the fall and winter, maintaining awareness of sun exposure is still essential year-round to prevent skin damage. Stay informed and protect your skin to ensure a safe outdoor experience!

Monthly Maximum UV Index for Sibu, Malaysia

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

The table above highlights how UV exposure in Sibu 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.

Sibu'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
Sibu	14	16	16	15	14	13	13	14	15	14	13	13