UV Index in Sumohai, Indonesia

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Sumohai, Indonesia, where the tropical climate can lead to high levels of ultraviolet radiation. Awareness of UV levels is essential to prevent sunburn and maintain skin health, especially during peak sun hours when the index can reach a maximum of 11—indicating an extreme risk of harm from unprotected sun exposure. With typical UV exposure risks peaking around midday, being informed can help you protect your skin while enjoying the beautiful sunny days in this vibrant region.

Hourly UV Index in Sumohai

The UV Index (UVI) throughout the day reveals a dynamic pattern of sun exposure. Beginning at 07:00, the index starts modestly at 1, but by 08:00, it gains momentum, reaching 3. The real intensity kicks in around 09:00, with a notable 6, peaking at 11:00 and 12:00 with a maximum UV index of 11, signaling the most hazardous hours for sun exposure. As the afternoon progresses to 13:00, the index begins to decline, dropping back to 9 at this hour. By 14:00, it eases further to 7 and continues its descent, settling at 4 by 15:00. As the day winds down, the readings fall to 2 by 16:00, tapering to a gentle 1 at 17:00, and finally retreating to 0 by 18:00 and 19:00. This journey through the UV Index highlights the importance of sun protection, particularly during those peak hours when it reaches its zenith.

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	6	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	11	extreme	10 min
13:00	9	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 Sumohai

The UV Index shows extreme values throughout the year, with the highest readings occurring from January to April, where the index peaks at 17. Notably, February and March maintain this peak level, signaling these months as high-risk periods for sun exposure. Even in the summer months, with values ranging from 11 to 13, caution remains essential as the potential for skin damage persists. Residents and visitors are advised to prioritize sun protection during these months, utilizing sunscreen, wearing protective clothing, and seeking shade where possible, particularly during peak sunlight hours, to mitigate the risk of harmful UV exposure.

Monthly Maximum UV Index for Sumohai, Indonesia

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

The table above highlights how UV exposure in Sumohai 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.

Sumohai'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
Sumohai	15	17	17	16	13	11	12	13	15	15	15	14