UV Index in Chumi, China

Last updated: June 2, 2025

In Chumi, China, being aware of the UV Index is crucial for safeguarding your skin from the sun's harmful rays. With UV levels reaching a maximum of 13 around midday, understanding these fluctuations is vital for preventing sunburn and promoting long-term skin health. Chumi's Cfa climate—characterized by hot summers—presents significant exposure risks, especially between 10 AM and 3 PM when UV intensity peaks. By monitoring the UV Index, residents and visitors can make informed choices to protect themselves and enjoy the beautiful sunny days with confidence.

Hourly UV Index in Chumi

The UV Index undergoes a notable progression throughout the day, beginning at a gentle 1 at 07:00, before gradually rising to a moderate 2 by 08:00. As the sun ascends, the index climbs sharply, peaking at a dizzying 13 around 13:00—a clear indication that sun protection is essential during these hours. From this pinnacle, the UV Index begins its descent, tapering off to a 9 at 15:00 and finally dwindling to 1 by the evening hours of 18:00 and 19:00. With this data in mind, it's crucial to enjoy the outdoors safely, particularly between 11:00 and 14:00, when the sun's rays are at their most intense.

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

Monthly UV Index Trends in Chumi

Throughout the year, UV exposure fluctuates significantly, peaking during the summer months. January begins with a UV Index of 6 (high), and this rises rapidly to 8 in February, reaching 9 in March. The most critical period occurs from April to September, where the UV Index hits extreme levels of 12 to 13. Notably, May through August are high-risk months, where a burn can occur in just 10 minutes of exposure. October sees a gradual decline to 10 (very high), while November and December are safer, with indices of 7 (high) and 5 (moderate) respectively, allowing longer burn times. Visitors and residents should take precautions during high-risk months by wearing sunscreen, protective clothing, and seeking shade, especially during midday when UV exposure is most intense.

Monthly Maximum UV Index for Chumi, China

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

The table above highlights how UV exposure in Chumi 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.

Chumi'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
Chumi	6	8	9	12	13	13	13	13	11	10	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