UV Index in Belahan, Indonesia

Last updated: May 3, 2025

Understanding the UV Index is crucial for the residents of Belahan, Indonesia, where tropical conditions can lead to significant sun exposure. High UV levels, especially between 10 AM and 2 PM, pose a risk for sunburn and long-term skin health issues, making awareness essential for prevention. In this Am climate zone, daily UV readings can soar to a maximum of 12, highlighting the importance of protecting your skin from harmful rays. Stay informed and safeguard your health while enjoying the beautiful outdoors!

Hourly UV Index in Belahan

The UV Index shows a dynamic pattern throughout the day, starting at a gentle 2 at 7:00 AM and gradually rising to a peak of 12 by 12:00 PM. This indicates a high risk of harm from unprotected sun exposure, especially during the midday hours when the sun is strongest. As the afternoon progresses, the index begins to decline, dropping to 6 by 2:00 PM and then further to 3 by 3:00 PM. By 4:00 PM, it decreases to a minimal level of 1, eventually settling at 0 by 6:00 PM and beyond. For those planning outdoor activities, it's crucial to protect your skin during those peak UV hours from 10:00 AM to 1:00 PM!

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	2	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	12	extreme	10 min
13:00	9	very high	15 min
14:00	6	high	25 min
15:00	3	moderate	30 min
16:00	1	low	45 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Belahan

Throughout the year, the UV Index experiences seasonal fluctuations, with the highest levels occurring from February to April, where it reaches a peak of 16. The extreme exposure category persists from January through September, highlighting high-risk months for sunburn and UV-related skin damage, particularly in February and March. As summer approaches, the index slightly decreases in June, yet remains in the very high category, necessitating caution. Visitors and residents are strongly advised to take protective measures such as wearing sunscreen, protective clothing, and seeking shade during peak hours, particularly from February to September, where burn times are notably short—just 10 minutes in most months. Stay informed and vigilant to protect your skin health throughout the year!

Monthly Maximum UV Index for Belahan, Indonesia

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

The table above highlights how UV exposure in Belahan compares to other major locations across Indonesia. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Belahan's solar exposure compared to other cities in Indonesia. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Surabaya UVI	13	15	14	12	12	10	11	12	14	13	13	13
Bekasi UVI	14	16	16	14	11	10	10	11	13	15	14	13
Jakarta UVI	14	16	16	14	11	10	10	11	13	15	14	13
Belahan	14	16	15	13	12	10	11	12	13	14	14	13
Medan UVI	13	15	15	15	14	12	12	13	14	14	13	12
Bandung UVI	15	16	16	15	12	11	11	12	14	15	15	14