UV Index in Kunming, China

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Kunming, China, where the climate presents unique sun exposure challenges. With UV levels often peaking at a risk category of 10-14 during midday hours, awareness of these levels is essential for preventing sunburn and protecting your skin health. Kunming’s mild climate may deceive you into thinking sun protection isn’t necessary, but the reality is that high UV exposure can lead to long-term skin damage. Stay informed about the UV Index to enjoy the sunny days safely and keep your skin radiant and healthy!

Hourly UV Index in Kunming

As the sun rises, the UV Index begins its ascent, starting at a modest 1 by 07:00. By 08:00, it climbs to 2, signaling the first hints of sun exposure. The day's intensity peaks around 12:00, when the index reaches a blistering 13, a reminder to take precautions. It continues to soar, hitting its highest point at 13:00 with a strong 14, before gradually descending as the afternoon fades into evening. By 17:00, the index drops to 4, then retreats to a safe 1 by 19:00. This hourly dance of the UV Index underscores the importance of staying vigilant under the sun, especially during the midday 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	4	moderate	30 min
10:00	7	high	25 min
11:00	10	very high	15 min
12:00	13	extreme	10 min
13:00	14	extreme	10 min
14:00	13	extreme	10 min
15:00	11	extreme	10 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 Kunming

Throughout the year, UV index levels exhibit significant seasonal variation, with extreme exposure occurring from March to October. The highest UV index is recorded in July at 16, indicating a burn time of just 10 minutes, while the lowest is seen in December with a UV index of 7 and a burn time of 25 minutes. The high-risk months are March through October, where UV indices consistently reach 11 or higher, and proper precautions should be taken. Visitors and residents are advised to limit sun exposure, particularly during peak hours (10 AM to 4 PM), apply broad-spectrum sunscreen regularly, and wear protective clothing and sunglasses to minimize the risk of UV-related health issues. Staying informed and vigilant will ensure a safe outdoor experience throughout the year.

Monthly Maximum UV Index for Kunming, China

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

The table above highlights how UV exposure in Kunming 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.

Kunming'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
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
Kunming	8	9	11	14	15	14	16	14	13	11	9	7