UV Index in Jianhu, China

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Jianhu, China. With high levels of UV exposure typically peaking around midday, awareness of these levels can help protect against sunburn and long-term skin damage. Jianhu's Cfa climate results in hot summers, making it even more essential to monitor UV risks, especially during the heights of summer when the Index can reach a critical 11. By staying informed on daily UV levels, you can enjoy the outdoors while prioritizing your skin health and overall well-being.

Hourly UV Index in Jianhu

The UV Index throughout the day presents a dynamic picture of sun exposure. As early as 7:00 AM, the index starts at a mild 2, ramping up to a moderate 4 by 8:00 AM. The sun's intensity peaks around 11:00 AM and 12:00 PM with a striking 11, marking the height of caution for outdoor activities. As we move into the afternoon, the index gradually declines, dropping to 8 by 2:00 PM and further to 5 by 3:00 PM. The evening brings relief, with the UV Index decreasing to a 1 by 5:00 PM and finally hitting 0 by 7:00 PM. It’s clear that the midday hours pose the greatest risk, so sun safety measures are essential during those peak times.

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	9	very high	15 min
11:00	11	extreme	10 min
12:00	11	extreme	10 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	5	moderate	30 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 Jianhu

Throughout the year, the UV Index experiences significant seasonal changes, with the highest values typically occurring from March to August. The high-risk months are March (UV Index 9), April (UV Index 10), May and June (UV Index 11-12), where exposure is categorized as either very high or extreme, resulting in a markedly reduced burn time of only 10-15 minutes. As summer transitions to fall, the UV Index begins to decrease steadily, with October featuring a UV Index of 8 and November dropping to 6. Residents and visitors should be vigilant during the peak months, employing sun protection measures such as wearing sunscreen, protective clothing, and sunglasses to minimize the risk of skin damage. It is crucial to be informed about the local UV Index to stay safe, especially during the extreme exposure periods of late spring and summer.

Monthly Maximum UV Index for Jianhu, China

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

The table above highlights how UV exposure in Jianhu 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.

Jianhu'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
Jianhu	5	7	9	10	11	12	11	12	10	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