UV Index in Codoi, China

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors in Codoi, China, where the sun's rays can pose significant risks, especially during peak hours. With a climate characterized by high altitudes in the ET zone, the UV levels can escalate quickly—reaching as high as 18 by 2 PM. Being aware of these levels helps prevent sunburn and protect skin health, allowing you to enjoy the outdoors safely. With a sharp rise in UV exposure from mid-morning to early afternoon, it's essential to arm yourself with knowledge and take protective measures. Stay informed and safeguard your skin in Codoi's sunny weather!

Hourly UV Index in Codoi

The UV Index today sees a dramatic escalation as the sun rises, starting from a gentle 1 at 07:00 and climbing steadily through the morning. By 10:00, it hits a moderate 6, but the real action begins around 11:00, when it skyrockets to a maximum of 10 and soars to an impressive 15 by noon. The peak arrives at 13:00, reaching 17, and then it intensifies to 18 at 14:00, making this the most hazardous hour for sun exposure. As the afternoon progresses, the index gradually declines, falling to 12 by 16:00, and continues to drop to 2 by 19:00. This UV forecast highlights the importance of sun safety during those peak 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	0	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	6	high	25 min
11:00	10	very high	15 min
12:00	14	extreme	10 min
13:00	17	extreme	10 min
14:00	17	extreme	10 min
15:00	15	extreme	10 min
16:00	12	extreme	10 min
17:00	8	very high	15 min
18:00	4	moderate	30 min
19:00	2	low	45 min

Monthly UV Index Trends in Codoi

The UV Index fluctuates significantly throughout the year, with the peak levels occurring in the months of March through October, where values consistently reach extreme levels of 16 or higher. Notably, May is the highest with a UV Index of 21, indicating particularly intense solar radiation during this time. The high-risk months are therefore from February to October, when the burn time is limited to just 10 minutes due to the extreme exposure category. Conversely, January and December exhibit lower risks, categorized as very high, with longer burn times of 15 minutes. Visitors and residents are strongly advised to take precautions during the high-risk months; this includes wearing sunscreen with high SPF, protective clothing, and seeking shade, particularly during peak sun hours, to mitigate the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for Codoi, China

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

The table above highlights how UV exposure in Codoi 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.

Codoi'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
Codoi	8	11	16	17	21	19	18	17	17	13	11	8