UV Index in Sonder, Indonesia

Last updated: August 1, 2025

In Sonder, Indonesia, being aware of the UV Index is crucial for both residents and visitors alike. Understanding UV levels helps in preventing sunburn and promoting overall skin health, making it an essential factor to consider in your daily outdoor activities. With a tropical climate characterized by high UV exposure—particularly during midday when levels peak at a staggering 13—it's important to take precautions like applying sunscreen and wearing protective clothing. By monitoring the UV Index, you can enjoy the sunshine while minimizing the risks associated with excessive sun exposure.

Hourly UV Index in Sonder

The UV Index data reveals a dynamic shift throughout the day, starting with a low 1 at 07:00 that quickly rises as the sun climbs higher. By 09:00, the index reaches 7, indicating moderate exposure risk, which escalates to a peak of 13 by 12:00—a clear signal for sun safety! As the afternoon progresses, the intensity begins to taper off, dropping to 8 at 14:00 and further descending to 2 by 16:00. The day concludes with minimal UV presence, registering 0 after 18:00. It's a compelling reminder of the sun's powerful influence during midday—plan accordingly!

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	8	very high	15 min
10:00	11	extreme	10 min
11:00	14	extreme	10 min
12:00	14	extreme	10 min
13:00	12	extreme	10 min
14:00	9	very high	15 min
15:00	5	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 Sonder

Throughout the year, the UV Index remains at an extreme level, with values consistently ranging from 13 to 17. Notably, the high-risk months for UV exposure are from January to April, where the UV Index peaks at 16-17 and requires a rapid burn time of just 10 minutes. The UV Index then gradually decreases, but remains significant through to November, only dropping to 13 in December. Given these consistently high UV levels, it is crucial for both visitors and residents to practice effective sun safety, including wearing protective clothing, using broad-spectrum sunscreen, and seeking shade during peak sunlight hours to mitigate the risk of skin damage.

Monthly Maximum UV Index for Sonder, Indonesia

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

The table above highlights how UV exposure in Sonder 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.

Sonder'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
Sonder	15	16	17	16	14	13	13	14	15	15	14	13