UV Index in Ulan, China

Last updated: July 2, 2025

In Ulan, China, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. With the city's BSk climate, characterized by dry, continental conditions, residents and visitors alike face significant UV exposure, particularly during peak hours. Understanding the daily UV levels—which can reach a maximum of 11 around noon—empowers individuals to take necessary precautions to protect themselves from harmful rays. By staying informed, you can enjoy the sun safely while minimizing the risks associated with prolonged exposure.

Hourly UV Index in Ulan

At dawn, the UV Index starts at a gentle 1 by 07:00, indicating minimal exposure risk. As the sun climbs higher, the intensity rises sharply, reaching a maximum of 11 between 12:00 and 13:00—a time when protective measures are crucial. The peak UV Index highlights the importance of sun safety, as conditions can be particularly harsh. The afternoon sees a gradual decline, dipping to 8 by 15:00 and further decreasing to 3 by 17:00. As evening approaches, the index wanes to a mellow 1 by 19:00, suggesting a return to safer exposure levels. Keep in mind that tracking the UV Index throughout the day can help protect your skin from harmful rays!

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	9	very high	15 min
12:00	11	extreme	10 min
13:00	11	extreme	10 min
14:00	10	very high	15 min
15:00	8	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Ulan

Throughout the year, the UV Index exhibits notable seasonal variations, indicating changing levels of sun exposure risk. High-risk months include April through August, where the UV Index peaks at 11-12, corresponding to an extreme exposure category and a reduced burn time of only 10 minutes. In contrast, the risk diminishes from November to March, with the UV Index falling to a low of 2 in December. It’s important for both visitors and residents to exercise caution during peak months by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during midday hours to avoid skin damage. Always be mindful of local UV forecasts to better protect your skin.

Monthly Maximum UV Index for Ulan, China

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

The table above highlights how UV exposure in Ulan 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.

Ulan'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
Ulan	3	4	7	9	11	12	11	11	9	7	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