UV Index in Kota Bharu, Malaysia

Last updated: July 2, 2025

In Kota Bharu, Malaysia, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn, especially given the region's typically high exposure to solar radiation. With an Af climate, residents and visitors alike should be mindful of the risks associated with elevated UV levels, particularly during midday when the index peaks at a striking 12. Understanding these UV levels not only helps in planning outdoor activities but also empowers individuals to take essential precautions to protect their skin from harmful effects. Stay informed, stay safe, and enjoy the vibrant sun-soaked days of Kota Bharu!

Hourly UV Index in Kota Bharu

The UV index throughout the day presents a fascinating story of sunlight intensity. Starting at 7:00 AM, the index is at a low 1, gradually rising to 2 by 9:00 AM. However, the real intensity kicks in around 10:00 AM, peaking at an impressive 12 between 12:00 PM and 2:00 PM—the sun's rays are at their strongest, hitting a maximum of 11 at 12:00 PM and maintaining a high of 12 until 2:00 PM. As the afternoon wanes, the index drops, settling back to 9 at 3:00 PM, then gradually decreasing to 3 by 5:00 PM, and finally returning to a safe 1 by 7:00 PM. These shifts highlight the importance of sun safety during peak hours, especially between noon and two, when UV exposure is at its highest.

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	8	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 Kota Bharu

Throughout the year, UV Index levels remain consistently high, indicating extreme sun exposure from January to December, with values ranging from 12 to 16. The months of February to March represent the peak period, where the UV Index reaches its highest point of 15 to 16, posing the greatest risk for sunburns with a critical burn time of just 10 minutes. Residents and visitors are advised to take strong precautions during these high-risk months by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade whenever possible. This vigilance is crucial, as even in the other months, the UV Index remains elevated, underscoring the need for year-round sun safety awareness.

Monthly Maximum UV Index for Kota Bharu, Malaysia

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

The table above highlights how UV exposure in Kota Bharu 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.

Kota Bharu'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	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