UV Index in Kertih, Malaysia

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Kertih, Malaysia, where tropical climate conditions can lead to heightened sun exposure. With the UV levels reaching a maximum of 12 during midday, awareness of these values is essential for protecting your skin from harmful UV rays and preventing painful sunburns. Knowledge of UV levels helps safeguard not only your immediate skin health but also long-term wellbeing. Given Kertih's typical climate zone, frequent outdoor activities can inadvertently increase your risk, making it imperative to stay informed about the UV Index throughout the day.

Hourly UV Index in Kertih

As the sun rises, the UV Index begins its ascent in a steady climb, starting from a modest 1 at 07:00 and 08:00. By 09:00, it reaches 2, but it’s not until 10:00 that we witness a significant jump to 5. The peak performance occurs between 12:00 and 13:00, where the index hits an impressive 11 and then 12, signaling the highest risk for unprotected skin. Afterward, the intensity begins to wane, with the index gradually descending to 9 by 15:00 and then tapering off to a safe 3 at 17:00. As the day comes to a close, the index returns to a low 1 by 18:00 and remains there until 19:00. Stay protected during 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	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	11	extreme	10 min
13:00	12	extreme	10 min
14:00	12	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 Kertih

Throughout the year, the UV Index remains consistently extreme, peaking at 16 in March and hovering between 12 to 15 from January to April. These high-risk months for UV exposure are February through April, where the index reaches its highest values. Visitors and residents should take precautions during these months, ensuring to limit sun exposure to just 10 minutes without protection. It's essential to wear sunscreen, protective clothing, and sunglasses, as the risk of skin damage is significant. Despite the drop to 12 in December, consistent vigilance is crucial year-round to stay protected from harmful UV rays.

Monthly Maximum UV Index for Kertih, Malaysia

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

The table above highlights how UV exposure in Kertih 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.

Kertih'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
Kertih	13	15	16	15	14	13	12	14	14	14	13	12