UV Index in Haishan, China

Last updated: June 2, 2025

In Haishan, China, understanding the UV Index is essential for safeguarding your skin health and preventing sunburn. With its Cfa climate, the region experiences varying UV exposure, peaking at 12 around midday—a time when it’s crucial to take protective measures. Daily awareness of UV levels can help residents and visitors alike make informed decisions about sun safety, ensuring pleasurable outdoor experiences without the risks of excessive sun damage. Don’t underestimate the power of the sun; knowing the UV Index in Haishan is your first step toward healthy sun habits!

Hourly UV Index in Haishan

The UV Index provides a vital insight into sun exposure throughout the day, peaking during the late morning to early afternoon hours. At 07:00, it starts off low at 2, but by 08:00, it rises to 4, indicating increasing sun intensity. The real surge happens between 09:00 and 12:00, where it climbs dramatically to a maximum of 12 at 11:00 and 12:00. As the sun begins to dip after 13:00, the index gradually decreases to 11 at 1 PM and gently tapers off to 9 at 2 PM. By 3 PM, it continues to decline to 6, and by the evening, it reaches a minimal 1 at both 5 PM and 6 PM, finally falling to 0 by 7 PM. This hourly breakdown urges us to protect our skin during the peak hours, especially when the index hits 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	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	12	extreme	10 min
12:00	12	extreme	10 min
13:00	11	extreme	10 min
14:00	9	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Haishan

Throughout the year, the UV Index exhibits significant seasonal variations, peaking from April to August. During these months, the UV Index reaches extreme levels, particularly in July and August with a peak UV Index of 13, where the recommended burn time is reduced to just 10 minutes. The summer months of May through September are considered high-risk, necessitating vigilant sun protection measures. In contrast, from October to December, the UV Index decreases, offering safer exposure levels, though caution is still advised in November and December with indices of 7 and 5, respectively. Residents and visitors should pick the right times for outdoor activities, particularly avoiding peak sun hours and utilizing sunscreen, protective clothing, and seeking shade during high-risk months for optimal skin safety.

Monthly Maximum UV Index for Haishan, China

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

The table above highlights how UV exposure in Haishan 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.

Haishan'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
Haishan	6	8	10	11	12	12	12	13	11	8	7	5
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