May Weather in Xiyan, China

Last updated: August 22, 2025

In May, the average temperature in Xiyan, China is a pleasant 21°C (70°F). Expect a range that can dip to a chilly 9°C (48°F) at night and soar up to a warm 33°C (92°F) during the day. Prepare for some rain, as the area typically receives about 225 mm (8.9 in) of precipitation spread over 18 days. With an average humidity of 86%, the air can feel quite muggy, so be ready for a tropical experience!

May Temperature in Xiyan

In May in Xiyan, the average temperature is 21°C (70°F), with maximums reaching up to 33°C (92°F) and minimums dropping as low as 9°C (48°F). This range makes it an ideal time for travelers who enjoy mild weather and the opportunity for various outdoor activities.

May Weather in Xiyan: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Xiyan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Xiyan, May typically has an average temperature of 21°C (70°F), with highs reaching up to 33°C (92°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec424554627076807974625444
Data source: Temperature data for Xiyan generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Xiyan

In Xiyan in May, the precipitation amount is 225 mm (8.9 in) spread over 18 days, indicating a moderate frequency of rainfall during that time.

May Precipitation Trends in Xiyan

The chart displays monthly precipitation patterns in Xiyan, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Xiyan, May typically receives around 225 mm (8.9 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec5394153154225287222134110908762
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Xiyan

In Xiyan in May, humidity is 86%. With an average temperature of 21°C (70°F), this humidity feels like walking through a warm, moist veil, making it essential to stay hydrated and take frequent breaks while exploring the area.

May Average Humidity in Xiyan

This chart illustrates the average monthly humidity levels in Xiyan, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Xiyan is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%72%81%82%86%86%89%87%67%67%75%76%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Xiyan

In Xiyan in May, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Xiyan.

Maximum UV Index Levels in Xiyan for May

The chart shows the monthly maximum UV Index (UVI) for Xiyan in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Xiyan typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710111113131313111086
Data source: Xiyan May UVI data generated using 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.

How May Weather in Xiyan Compares to Other Months

Weather in Xiyan varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Xiyan, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Xiyan, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)53 mm (2.1 inches)66%high
February Weather7°C (45°F)93 mm (3.7 inches)72%very high
March Weather12°C (55°F)153 mm (6.0 inches)81%extreme
April Weather16°C (62°F)154 mm (6.1 inches)82%extreme
May Weather21°C (70°F)225 mm (8.9 inches)86%extreme
June Weather24°C (76°F)287 mm (11.3 inches)86%extreme
July Weather26°C (80°F)222 mm (8.8 inches)89%extreme
August Weather26°C (79°F)134 mm (5.3 inches)87%extreme
September Weather23°C (74°F)110 mm (4.3 inches)67%extreme
October Weather17°C (62°F)90 mm (3.5 inches)67%very high
November Weather12°C (55°F)87 mm (3.4 inches)75%very high
December Weather7°C (45°F)62 mm (2.4 inches)75%high

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