UV Index in Xiwu, China

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors of Xiwu, China, where the potent rays of the sun can pose significant health risks. With typical UV levels peaking at an alarming 17 during midday hours, awareness is key to preventing sunburn and promoting long-term skin health. Xiwu's pleasant but intense ET climate can lead to increased exposure, especially in the summer months. By staying informed about UV levels, you can protect yourself and your loved ones from harmful effects while enjoying the beautiful outdoor landscapes that Xiwu has to offer.

Hourly UV Index in Xiwu

At sunrise, the UV Index begins at a gentle 1 by 07:00, ideal for early risers. However, as the sun climbs higher, the intensity rapidly escalates. By 10:00, it reaches 8, signaling a need for sun protection. The peak occurs at 12:00, soaring to an intense 16, and just a notch higher at 13:00 and 14:00 with a remarkable 17. This period signifies the highest risk for UV exposure, making shade and sunscreen essential. As the day progresses, the UV Index gradually declines, dropping to 10 by 16:00, and further down to a mild 3 by evening. By 19:00, it returns to the safety of 1, allowing for a gentle ending to the day.

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.
TimeUVICategoryTime to Burn
07:001low45 min
08:002low45 min
09:004moderate30 min
10:008very high15 min
11:0012extreme10 min
12:0016extreme10 min
13:0017extreme10 min
14:0017extreme10 min
15:0014extreme10 min
16:0010very high15 min
17:006high25 min
18:003moderate30 min
19:001low45 min

Monthly UV Index Trends in Xiwu

Throughout the year, the UV Index experiences significant fluctuations, with the highest risk months occurring from March to October, where values peak at 17 in May. During these months, the UV exposure is classified as extreme, with a rapid burn time of just 10 minutes. Visitors and residents are advised to take essential precautions during this period, including wearing protective clothing, applying broad-spectrum sunscreen with a high SPF, and seeking shade during peak sun hours. Conversely, the UV Index starts and ends the year on a lower note, with January and December reflecting an average UV Index of 6, categorized as high, allowing for a more extended burn time of 25 minutes. It’s crucial for everyone to remain vigilant about UV exposure year-round, especially in the peak summer months.

Monthly Maximum UV Index for Xiwu, China

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Xiwu. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec69131517161514141196
Data source: Statistical UV Index data for Xiwu, 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 Xiwu UV Index with Other China Cities

The table above highlights how UV exposure in Xiwu 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.
Xiwu's solar exposure compared to other cities in China. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Beijing UVI2358991097642
Chengdu UVI568101211111011864
Shanghai UVI568101011121111864
Guangzhou UVI79111213131312111097
Shenzhen UVI710121214131313121197
Xiwu69131517161514141196