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May Weather in Jiangmen, China

Last updated: August 23, 2025

In May, the average temperature in Jiangmen, China reaches a pleasant 27°C (80°F). Expect temperatures to fluctuate between a minimum of 15°C (59°F) and a maximum of 35°C (96°F). This month also brings 216 mm (8.5 in) of precipitation over 20 days, contributing to a high average humidity of 79%. Be prepared for a warm, yet occasionally wet, climate!

May Temperature in Jiangmen

In May in Jiangmen, the average temperature is 27°C (80°F). Maximums can reach 35°C (96°F), and minimums can be as low as 15°C (59°F). This makes it a great time for travelers to enjoy warm, pleasant weather with a comfortable range for outdoor activities.

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

The chart illustrates May temperature patterns in Jiangmen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jiangmen, May typically has an average temperature of 27°C (80°F), with highs reaching up to 35°C (96°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec616270738084858483767062
Data source: Temperature data for Jiangmen 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 Jiangmen

In Jiangmen in May, the precipitation amount is 216 mm (8.5 in) over a period of 20 days.

May Precipitation Trends in Jiangmen

The chart displays monthly precipitation patterns in Jiangmen, 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 Jiangmen, May typically receives around 216 mm (8.5 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec2156821272163152223262331432717
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Jiangmen

In Jiangmen in May humidity is 79%. With an average temperature of 27°C (80°F), this humidity feels like walking through a warm, dense blanket, making travel feel sluggish and allowing every step to become noticeably heavier.

May Average Humidity in Jiangmen

This chart illustrates the average monthly humidity levels in Jiangmen, 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 Jiangmen is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%68%73%71%79%77%88%88%75%65%64%69%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Jiangmen

In Jiangmen in May, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Jiangmen, you can check here.

Maximum UV Index Levels in Jiangmen for May

The chart shows the monthly maximum UV Index (UVI) for Jiangmen 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 Jiangmen typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710121214131313111097
Data source: Jiangmen 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 Jiangmen Compares to Other Months

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

This table compares monthly weather conditions in Jiangmen, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)21 mm (0.8 inches)64%high
February Weather17°C (62°F)56 mm (2.2 inches)68%very high
March Weather21°C (70°F)82 mm (3.2 inches)73%extreme
April Weather23°C (74°F)127 mm (5.0 inches)71%extreme
May Weather27°C (80°F)216 mm (8.5 inches)79%extreme
June Weather29°C (84°F)315 mm (12.4 inches)77%extreme
July Weather29°C (85°F)222 mm (8.7 inches)88%extreme
August Weather29°C (84°F)326 mm (12.8 inches)88%extreme
September Weather28°C (83°F)233 mm (9.2 inches)75%extreme
October Weather25°C (77°F)143 mm (5.6 inches)65%very high
November Weather21°C (70°F)27 mm (1.1 inches)64%very high
December Weather17°C (62°F)17 mm (0.7 inches)69%high

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