UV Index in Rainis, Indonesia

Last updated: August 1, 2025

In Rainis, Indonesia, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding UV levels helps residents and visitors alike prioritize sun safety during the day, especially given the high UV exposure risks typical of Rainis' tropical climate. With maximum UV Index values reaching a staggering 13 around midday, it's essential to take protective measures to shield your skin from harmful rays. By staying informed and taking appropriate precautions, you can enjoy the beautiful sunshine while safeguarding your health.

Hourly UV Index in Rainis

The UV Index throughout the day paints a striking picture of sun exposure. Starting at 2 at 7:00 AM, it steadily climbs to a peak of 13 between 11:00 AM and 12:00 PM, indicating a high risk for unprotected skin. As the day progresses, the intensity begins to wane, dropping to 4 by 3:00 PM before fading to 0 by 6:00 PM. The ideal time for outdoor activities with minimal risk is between 9:00 AM and 2:00 PM, when the index hits an impressive 11 and 13. However, caution is advised during the peak hours when the sun is most aggressive. Always remember to protect your skin!

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	5	moderate	30 min
09:00	8	very high	15 min
10:00	12	extreme	10 min
11:00	14	extreme	10 min
12:00	14	extreme	10 min
13:00	12	extreme	10 min
14:00	8	very high	15 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 Rainis

The UV Index shows significant seasonal variations, maintaining an extreme exposure category throughout the year. January to March presents some of the highest values, peaking at 16, indicating that residents and visitors should be particularly cautious, as burn time is as short as 10 minutes. April and May remain high, with a UV Index of 16 and 15, respectively. As summer progresses into June and July, the index slightly drops to 13, but remains in the extreme category. August and September see a return to 14 and 15, followed by October and November where levels stabilize at 14. By December, there's a slight decrease to 12, yet caution is still warranted. Overall, from January through September marks the high-risk months for sun exposure; therefore, it is advisable for individuals to protect their skin with sunscreen, seek shade, and wear protective clothing to avoid sunburn during these periods.

Monthly Maximum UV Index for Rainis, Indonesia

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

The table above highlights how UV exposure in Rainis 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.

Rainis'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
Rainis	14	16	16	16	15	13	13	14	15	14	14	12