UV Index in Alor Setar, Malaysia

Last updated: June 2, 2025

In Alor Setar, Malaysia, awareness of the UV Index is crucial for protecting your skin and overall health. Understanding the levels of ultraviolet radiation throughout the day can significantly reduce the risk of sunburn and long-term skin damage. With a tropical climate characterized by high UV exposure, particularly during peak hours around noon, residents and visitors alike should stay informed. On sunny days, the UV Index can reach a maximum of 13, indicating an extreme risk of harm from unprotected sun exposure. By staying vigilant and taking necessary precautions, you can enjoy the beautiful sunny days of Alor Setar while safeguarding your skin health.

Hourly UV Index in Alor Setar

The UV Index steadily rises as the sun climbs, starting with a gentle 1 at 7:00 AM and 8:00 AM. By 9:00 AM, it ticks up to 2, but the real intensity hits mid-morning, soaring to a significant 5 at 10:00 AM. As the clock strikes 11:00 AM, it skyrockets to 9, peaking at an intense 12 by noon. The highest point occurs at 1:00 PM, reaching a blistering 13 before gradually tapering off. By 3:00 PM, it dips to 10, continuing its decline to 6 at 4:00 PM, and winding down to 1 by the evening hours. Make sure to stay protected during the midday hours when the UV Index soars!

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	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 Alor Setar

Throughout the year, the UV Index remains consistently high, peaking from January to April, where it reaches a maximum of 15 and falls within the extreme exposure category, indicating a burn time of just 10 minutes. Notably, February, March, and April are particularly high-risk months. As summer approaches, the index slightly decreases but remains in the extreme category, with values of 12-14 from June to September. Visitors and residents are strongly advised to take precautionary measures such as wearing sunscreen, protective clothing, and sunglasses during these high UV months, especially in midday hours when the sun is at its strongest. Overall, maintaining vigilance against UV radiation is essential for skin health year-round.

Monthly Maximum UV Index for Alor Setar, Malaysia

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

The table above highlights how UV exposure in Alor Setar 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.

Alor Setar'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
Alor Setar	13	15	15	15	14	13	12	13	14	14	12	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