UV Index in Tonghaikou, China

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Tonghaikou, China, where the climate is classified as Cfa, featuring warm summers that can lead to higher UV exposure. As ultraviolet rays can reach harmful levels, particularly between late morning and early afternoon, being aware of UV levels helps you prevent sunburn and protect your skin health. With UV Index readings peaking at 11 during midday hours, it’s essential to stay informed and take necessary precautions to enjoy the outdoors safely while minimizing risks associated with excessive sunlight.

Hourly UV Index in Tonghaikou

Experience the dynamic fluctuation of the UV Index throughout the day! Starting off at a mild level 1 at 7 AM, the intensity gradually rises, peaking at a striking 11 between noon and 1 PM. Here, the sun is at its most potent, urging you to don that sunscreen and stay shaded. As the afternoon progresses, the index dips to 8 at 2 PM and continues to decline, settling at a relaxed 1 by 7 PM. This rhythm of high and low UV levels highlights the importance of protecting your skin during those midday hours while still allowing for enjoyable outdoor moments later in the day.

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	5	moderate	30 min
10:00	7	high	25 min
11:00	10	very high	15 min
12:00	11	extreme	10 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	6	high	25 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Tonghaikou

Throughout the year, the UV Index showcases significant seasonal changes that highlight periods of higher sun exposure risk. From January to March, the UV Index gradually rises from a moderate level of 5 to a very high level of 8. However, the most critical months for UV exposure are from April to August, where values peak at an extreme 12 in July and August, resulting in minimal burn times of just 10 minutes. As we transition into September and October, the UV Index decreases but remains in the very high category, requiring continued caution. To protect yourself, particularly during the high-risk months of April to August, it's essential to wear sunscreen, hats, and protective clothing, and seek shade to minimize the risk of skin damage. As a reminder, even in the less intense months, some level of sun protection is advisable, especially during peak sun hours.

Monthly Maximum UV Index for Tonghaikou, China

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

The table above highlights how UV exposure in Tonghaikou 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.

Tonghaikou'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
Tonghaikou	5	6	8	10	11	11	12	12	10	8	6	4
Shanghai UVI	5	6	8	10	10	11	12	11	11	8	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