UV Index in Bali, China

Last updated: June 2, 2025

In Bali, China, staying informed about the UV Index is crucial for ensuring your skin's health and preventing painful sunburns. Understanding UV levels empowers you to take protective measures against harmful solar radiation, especially given Bali's climate, characterized by high UV exposure throughout the day. During peak hours, typically between 10 AM and 2 PM, the UV Index can soar to dangerous levels of 11 to 14, making it essential to plan outdoor activities wisely and utilize protective gear. Being aware of these factors can help you enjoy the beautiful outdoors while keeping your skin safe from damage.

Hourly UV Index in Bali

The UV Index throughout the day paints a vivid picture of sun intensity, peaking dramatically around noon. Starting at a mild 1 at 07:00, it gradually rises, reaching 11 by 11:00—a warning that skin protection becomes crucial. The index reaches its zenith at 13 by 12:00 and 14 at 13:00, making these hours the most perilous for unprotected sun exposure. As the afternoon unfolds, the readings dip to 10 at 15:00, before sliding down to 7 at 16:00 and tapering off to a safe 1 by 19:00. This lively fluctuation underscores the importance of being sun-smart during peak hours!

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	14	extreme	10 min
14:00	13	extreme	10 min
15:00	10	very high	15 min
16:00	7	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Bali

Throughout the year, UV Index values fluctuate, with high-risk months typically occurring from February to September. In February and March, the UV Index reaches a very high level of 8 and 9, bringing burn times down to just 15 minutes. As spring progresses into summer, the UV Index peaks at an extreme level of 14 in June and July, where the risk is critical and burn time is merely 10 minutes. These extreme levels begin to subside in September, but continue to stay high until October. November and December offer some reprieve with moderate (UV Index 4) and high (UV Index 6) exposure categories respectively, allowing for safer outdoor activities. Visitors and residents are advised to take protective measures during the high-risk months by wearing sunscreen, protective clothing, and seeking shade to mitigate the increased chances of skin damage.

Monthly Maximum UV Index for Bali, China

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

The table above highlights how UV exposure in Bali compares to other major locations across China. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Bali's solar exposure compared to other cities in China. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Beijing UVI	2	3	5	8	9	9	10	9	7	6	4	2
Chengdu UVI	5	6	8	10	12	11	11	10	11	8	6	4
Shanghai UVI	5	6	8	10	10	11	12	11	11	8	6	4
Bali	5	8	9	13	13	14	14	13	12	9	6	4
Guangzhou UVI	7	9	11	12	13	13	13	12	11	10	9	7
Shenzhen UVI	7	10	12	12	14	13	13	13	12	11	9	7