UV Index in Petaling Jaya, Malaysia

Last updated: August 1, 2025

In Petaling Jaya, Malaysia, understanding the UV Index is crucial for safeguarding your skin and overall health. With the region’s tropical climate, the sun's rays can be intense, peaking at a UV Index of 12 during midday hours. Recognizing these levels helps residents and visitors alike to take necessary precautions against sunburn and long-term skin damage. Whether it’s planning outdoor activities or simply enjoying the sun, staying informed about UV exposure risks can make all the difference in maintaining healthy skin in this vibrant city.

Hourly UV Index in Petaling Jaya

The UV index data paints a vivid picture of a sunny day. Early hours start off with a minimal index, peaking at 1 by 8:00 AM and gradually climbing to 5 by 10:00 AM. As the day progresses, the afternoon sun takes center stage, hitting a scorching 11 at 12:00 PM, reaching its zenith at 1:00 PM with a blistering 12. Conditions remain intense throughout the early afternoon, lingering at 11 until 2:00 PM. A gradual decline follows, with the index dropping to 9 by 3:00 PM, and transitioning to a gentler 6 by 4:00 PM. As the sun sets, relief arrives with the index retreating to 3 at 5:00 PM and settling at a cool 1 by 6:00 PM. This data serves as a reminder to take precautions when basking in such brilliant sunshine!

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	9	very high	15 min
12:00	12	extreme	10 min
13:00	13	extreme	10 min
14:00	12	extreme	10 min
15:00	10	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 Petaling Jaya

The UV Index exhibits extreme levels from January through November, peaking at 15 in February and March, with consistent values around 12 to 15 from January to April. The high-risk months for UV exposure are predominantly from January to April and also include September and October, making these periods particularly hazardous. Visitors and residents should exercise caution and adopt protective measures such as wearing sunscreen, protective clothing, and seeking shade during outdoor activities, especially if spending prolonged time in the sun, as the burn time remains critically low at just 10 minutes throughout these months.

Monthly Maximum UV Index for Petaling Jaya, Malaysia

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

The table above highlights how UV exposure in Petaling Jaya 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.

Petaling Jaya'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
Petaling Jaya	13	15	15	14	13	12	12	13	14	14	13	12
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