UV Index in Ranai, Indonesia

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors of Ranai, Indonesia, especially in this tropical climate where UV exposure can be intense. Being aware of the UV levels helps in preventing sunburn and protecting skin health, allowing you to enjoy outdoor activities safely. With readings peaking at 13 around noon, it’s clear that the risk of UV damage is significant during those hours. As you explore the beautiful surroundings of Ranai, staying informed about the UV Index can help you make smarter choices about sun protection and ensure a healthier lifestyle under the sun.

Hourly UV Index in Ranai

The UV Index data throughout the day reveals a dynamic shift in sunlight intensity. Starting off at 07:00 with a low index of 2, the sun's rays gain strength, peaking at 10:00 with an intense 10. By 11:00 and 12:00, the UV Index reaches its maximum of 13, indicating a high risk for unprotected skin. As the afternoon progresses, the levels begin to decline, dropping to 8 by 14:00 and further to 4 by 15:00. As the sun starts to set, the index falls to 2 at 16:00, then swiftly diminishes to 1 at 17:00, finally returning to 0 by 18:00 and 19:00. This data underscores the importance of sun safety, especially during midday when the risk is greatest.

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	7	high	25 min
10:00	10	very high	15 min
11:00	13	extreme	10 min
12:00	13	extreme	10 min
13:00	11	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 Ranai

The UV Index exhibits extreme levels year-round, with particularly high values from February to April, peaking at 16. January through May consistently show a UV Index of 14-16, indicating a high-risk period for sun exposure and resulting in a burn time of just 10 minutes across all months. Although the UV Index slightly declines during the summer, values remain elevated at 13-14 until November. As a result, both visitors and residents should prioritize sun protection throughout the year, especially during these high-risk months. Recommended precautions include wearing sunscreen, protective clothing, and seeking shade when outdoors to minimize the risk of skin damage.

Monthly Maximum UV Index for Ranai, Indonesia

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

The table above highlights how UV exposure in Ranai 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.

Ranai'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
Ranai	14	15	16	16	14	13	13	14	14	14	13	12