UV Index in Kalirejo, Indonesia

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Kalirejo, Indonesia, where consistent exposure to the sun can pose significant risks to skin health. With peak UV levels reaching as high as 11 during midday, being aware of these measurements is essential to prevent sunburn and long-term damage. Kalirejo's tropical climate, characterized by abundant sunshine, means that individuals must be vigilant about sun safety, especially between 10:00 AM and 2:00 PM when UV rays are most intense. By understanding the UV Index, you can better plan your outdoor activities and ensure safe sun exposure for you and your loved ones.

Hourly UV Index in Kalirejo

The UV Index rises sharply throughout the morning, starting from a modest 1 at 07:00 and making a steady climb to reach its peak of 11 at both 11:00 and 12:00. During this prime time, sun protection is essential to safeguard against harmful rays. As the afternoon progresses, the index begins to decline, dropping to 10 at 13:00 and then tapering off to 4 by 15:00. By late afternoon, the UV Index diminishes significantly, falling to 1 by 17:00 and ultimately reaching 0 at 18:00 and 19:00. This trend emphasizes the importance of planning outdoor activities for early morning or late afternoon to enjoy the sun safely!

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	5	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	11	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 Kalirejo

Throughout the year, UV Index levels remain notably high, with extreme exposure categories prevailing from January to December. January to April mark the peak months, with UV Index readings reaching 16, indicating a burn time of just 10 minutes. May to August show slightly lower UV Index values, ranging from 11 to 13, but the risk remains significant. September to November sees a return to 15, maintaining the high-risk status. In light of this information, it is crucial for both visitors and residents to take proactive measures, such as wearing protective clothing, applying sunscreen, and seeking shade, especially during the peak UV months. Stay vigilant year-round, as the threat of overexposure persists.

Monthly Maximum UV Index for Kalirejo, Indonesia

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

The table above highlights how UV exposure in Kalirejo 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.

Kalirejo'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
Kalirejo	15	16	16	15	13	11	12	13	15	15	15	14