UV Index in Miri, Malaysia

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Miri, Malaysia, where the tropical climate brings abundant sunshine and increased UV radiation exposure. Knowing the UV levels helps mitigate risks associated with solar radiation, including sunburn and long-term skin health issues. With maximum UV Index values soaring to 13 during midday, Miri's residents should be proactive in protecting themselves from harmful rays. Whether enjoying the lush environment or the stunning beaches, being aware of the UV Index can make a significant difference in maintaining skin protection and overall well-being in this vibrant region.

Hourly UV Index in Miri

The UV Index throughout the day follows a distinct pattern of rising intensity and eventual decline. Starting at a mild 1 at 7:00 AM, it quickly ramps up, reaching 2 by 8:00 AM and hitting 5 by 9:00 AM. The sun climbs higher, peaking at 13 during the midday hours from 12:00 PM to 1:00 PM, a time when protective measures are essential. As the afternoon progresses, the index gently descends to 10 at 2:00 PM and further dips to 7 by 3:00 PM. The sun begins to wane, bringing not only a cooler feel but also a significant drop to 2 by 5:00 PM and finishing the day at a safe 0 after 7:00 PM. For those basking in the sunlight, these shifts serve as timely reminders to 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	2	low	45 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 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 Miri

Throughout the year, the UV Index remains consistently high, reflecting an extreme exposure category with a burn time of just 10 minutes across all months. February and March see peak UV levels at 15 and 16, respectively, indicating they are among the highest risk months for sunburn and UV-related skin damage. Even during the cooler months, such as November and December, the UV Index stays relatively elevated at 13 and 12. Therefore, it is crucial for both visitors and residents to take protective measures year-round, including wearing sunscreen, protective clothing, and seeking shade to minimize direct sun exposure, especially during midday hours.

Monthly Maximum UV Index for Miri, Malaysia

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

The table above highlights how UV exposure in Miri 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.

Miri'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
Miri	13	15	16	16	14	13	13	14	14	14	13	12