UV Index in Tertek, Indonesia

Last updated: June 2, 2025

In Tertek, Indonesia, being aware of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels not only helps in preventing painful sunburns but also plays a vital role in reducing the risk of long-term skin damage. With Tertek's predominantly tropical climate, residents and visitors face significant UV exposure, particularly during midday when the index soars to a maximum of 11. Staying informed about the UV Index empowers you to take necessary precautions, ensuring you enjoy the sun safely while protecting your skin's health.

Hourly UV Index in Tertek

The UV Index for the day reveals a dynamic pattern that peaks in the late morning. Starting at a gentle 1 by 07:00, the intensity gradually increases to a moderate 3 by 08:00. Things really heat up as we approach 10:00, with the index soaring to a striking 9, reaching its zenith at 11:00 with a blistering 11. As the afternoon unfolds, the levels begin to decline, dropping to 10 by 12:00, then tapering off to 8 at 13:00. By 14:00, it significantly decreases to 5, and continues to drop, settling back at 3 by 15:00. The UV levels plunge in the late afternoon, reaching 1 by 16:00 and fading to 0 after 18:00. For sun-seekers and outdoor enthusiasts, the most intense UV exposure occurs during the late morning hours—time to lather on that sunscreen!

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	10	very high	15 min
13:00	8	very high	15 min
14:00	5	moderate	30 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 Tertek

The UV Index indicates that the highest risk months for UV exposure are January through April, where values remain consistently at 14-15 (extreme) with a burn time of just 10 minutes. Notably, September through December also exhibit high UV levels of 15. As such, both residents and visitors are strongly advised to take precautionary measures year-round, applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak sun hours. Staying informed about UV levels is crucial to minimizing the risk of skin damage throughout the year.

Monthly Maximum UV Index for Tertek, Indonesia

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

The table above highlights how UV exposure in Tertek 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.

Tertek'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
Tertek	14	15	15	14	12	11	11	13	15	15	15	15
Bandung UVI	15	16	16	15	12	11	11	12	14	15	15	14