UV Index in Harian, Indonesia

Last updated: July 2, 2025

Understanding the UV Index in Harian, Indonesia is crucial for protecting yourself and your loved ones from harmful sun exposure. High UV levels can lead to sunburns, premature skin aging, and increase the risk of skin cancer, making it essential to stay informed about daily UV fluctuations. Known for its tropical climate, Harian often experiences intense sunlight, particularly between noon and early afternoon, when UV levels reach their peak. By keeping an eye on the UV Index, you can enjoy the outdoors safely while maintaining your skin health and minimizing risks associated with overexposure.

Hourly UV Index in Harian

As the sun rises, the UV Index starts modestly at 1 at 07:00, indicating minimal risk. By 09:00, it climbs to a moderate 5, encouraging outdoor enthusiasts to take precautions. The peak emerges around 12:00, hitting a noticeably high 13, and remains intense until 14:00 when it slightly dips to 11. As the afternoon wanes, the index gradually decreases; by 15:00, it falls to 7, and as evening approaches, it continues its decline to 2 at 17:00. Finally, the UV Index settles at 1 by 18:00, ultimately dipping to a safe 0 by 19:00. It's a day where midday sun protection is paramount!

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	11	extreme	10 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 Harian

The UV Index experiences significant fluctuations throughout the year, maintaining a highly extreme level, particularly from January to April, where it peaks at 17. This intensity leads to a critical burn time of only 10 minutes during these months, making January to April the highest-risk period for sun exposure. Although UV Index values slightly decrease in the summer months of June and July to 13, they remain within the extreme category. August to October sees a mild increase again, with values of 15 and 16 respectively, maintaining the risk for overexposure. Visitors and residents are advised to take precautionary measures year-round, such as wearing protective clothing and applying broad-spectrum sunscreen, to minimize the risk of skin damage.

Monthly Maximum UV Index for Harian, Indonesia

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

The table above highlights how UV exposure in Harian 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.

Harian'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
Harian	15	16	17	17	16	13	13	15	16	15	14	13