UV Index in Alemba, Indonesia

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Alemba, Indonesia, where the warm Aw climate brings with it a heightened risk of harmful ultraviolet radiation. With peak UV levels reaching as high as 12 during midday hours, awareness of these figures is essential for preventing sunburn and maintaining optimal skin health. By staying informed about local UV exposure risks—especially during the sun's most intense hours—you can take proactive steps to protect yourself and enjoy the beautiful Indonesian sun safely.

Hourly UV Index in Alemba

At dawn, the UV Index starts off gently at 1 by 07:00, but as the morning unfolds, it swiftly climbs. By 09:00, the index hits 6, indicating a moderate risk of harm from unprotected sun exposure. The sun reaches its zenith around noon, peaking at a scorching 12 at 12:00. 11:00 to 12:00 marks the most dangerous hours for sun exposure, with the UV Index staying at 11 and 12, so sunscreen is essential! After this peak, a gradual decline begins. By 14:00, it drops to 7, and then further descends into the afternoon and evening, stabilizing at 0 by 19:00, indicating a safe end to sun exposure for the day. This data serves as a reminder to stay sun-safe during those critical midday 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	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	10	very high	15 min
14:00	7	high	25 min
15:00	4	moderate	30 min
16:00	2	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 Alemba

Throughout the year, seasonal UV changes exhibit consistently high levels, with extreme UV Index ratings persisting from January to March, reaching a peak of 16 in both February and March. Notably, September and October also register a UV Index of 16, positioning them as critical months for sun exposure risk. The high-risk months for UV exposure span February, March, September, and October, where the potential for skin damage is significantly elevated, with a minimal burn time of just 10 minutes across all months. Visitors and residents are strongly advised to take precautionary measures during these times, such as wearing protective clothing, using a high-SPF sunscreen, and seeking shade to minimize the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for Alemba, Indonesia

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

The table above highlights how UV exposure in Alemba 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.

Alemba'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
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
Alemba	15	16	16	14	12	11	12	13	16	16	15	14