May Weather in Dongguan, China

Last updated: August 21, 2025

May in Dongguan, China, is characterized by a dynamic climate that showcases the region's transition into the warmer months. With maximum temperatures reaching 36°C (97°F) and an average of 23°C (74°F), residents experience a substantial range in weather. The month sees a notable amount of rain, accumulating to 205 mm (8.1 in) over roughly 19 days, which contributes to the high humidity level of 85%. This combination of warmth and moisture creates a vibrant atmosphere, particularly beneficial for the lush greenery that defines Dongguan’s landscape. Visitors and locals alike should be prepared for frequent showers, making it essential to embrace both the heat and the refreshing rains.

May Temperature in Dongguan

In May, Dongguan, China, ushers in a warm embrace as temperatures rise significantly, showcasing the region's transition into summer. With minimums averaging around 10°C (50°F), the air feels comfortably mild, while average temperatures climb to a pleasant 23°C (74°F). Days can heat up considerably, reaching a striking maximum of 36°C (97°F), making it one of the hotter months of the year. This shift from April’s milder warmth reflects an upward trend as temperatures begin to stabilize at higher levels, paving the way for a classic subtropical climate. As May progresses, it becomes evident that outdoor activities and vibrant local festivals are common, with the pleasantries of warmer weather invigorating the spirit of the city.

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

The chart illustrates May temperature patterns in Dongguan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dongguan, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec555561677479828179726457
Data source: Temperature data for Dongguan generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Dongguan

In May, Dongguan experiences a significant uptick in rainfall, with 205 mm (8.1 in) of precipitation over 19 days, marking it as one of the wettest months of the year. This sharp increase follows the already substantial amounts recorded in the previous months, particularly March and April, but May's downpours outpace them dramatically. As the transition into the warmer summer months occurs, the rain intensifies, paving the way for even heavier June showers. This pattern suggests a pattern of increasing precipitation that steadily builds up to the peak wet season, underscoring the region's humid subtropical climate. With many days of rain throughout May, residents can expect lush greenery and vibrant landscapes, albeit with challenges that accompany such abundant moisture.

May Precipitation Trends in Dongguan

The chart displays monthly precipitation patterns in Dongguan, 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 Dongguan, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec33601219920528513525194394625
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Dongguan

In May, Dongguan, China, experiences a noticeable rise in humidity, reaching 85%, which marks the peak of the pre-summer season. This increase follows the gradual upward trend observed from January through April, where humidity levels climbed from 73% to 81%. Following May, a slight decrease to 81% in June occurs, hinting at a possible seasonal shift as the summer intensifies. Overall, the city experiences high humidity levels throughout the first half of the year, with May standing out as a distinctly muggy month, preparing residents for the hot and humid summer ahead.

May Average Humidity in Dongguan

This chart illustrates the average monthly humidity levels in Dongguan, 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 Dongguan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%73%80%81%85%81%84%83%70%73%77%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Dongguan

In May, the UV Index in Dongguan, China, reaches a striking 13, indicating an extreme exposure category, with a burn time of just 10 minutes for unprotected skin. This trend of escalating UV levels begins in earnest from February, where a UV Index of 9 is recorded, and only intensifies as the months progress. April and May remain at this high level of 13, sustaining the risk of overexposure. This pattern continues into the summer months, making it crucial for residents and visitors to stay informed and take necessary precautions. As the sun's rays become increasingly potent, it’s important to protect your skin whether you're enjoying outdoor adventures or simply relaxing in the sunshine. For more details, check the Dongguan UV Index.

Maximum UV Index Levels in Dongguan for May

The chart shows the monthly maximum UV Index (UVI) for Dongguan 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 Dongguan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79111213131313111087
Data source: Dongguan 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.

May Sunshine in Dongguan

As May unfolds in Dongguan, China, residents bask in an impressive 280 hours of sunshine, marking a high point in the year. This delightful increase follows a steady climb from 261 hours in April, hinting at the arrival of warmer, sunnier days. The month mirrors the sunny trend that begins in January with 199 hours, steadily rising as spring blossoms into summer. After May, the sun continues to shine brightly, peaking in July with a remarkable 311 hours, before gradually tapering off into the fall months. This consistent increase not only signals the transition into summer but also promises plenty of opportunities for outdoor adventures and sun-soaked memories.

Monthly Sunshine Duration in Dongguan: May Highlighted

The May sunshine duration represents the total number of hours Dongguan experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec199h224h258h261h280h233h311h296h283h259h236h242h
Data source: Dongguan May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Dongguan During May

May in Dongguan, China, marks a notable shift in weather patterns, as the likelihood of sunny days drops significantly to just 13%. This stark decline follows the relatively promising months of winter and early spring, where January boasts a robust 69% chance of sunshine. As the year progresses into the warmer months, the trend shows a notable decrease in sunny weather, with April and May experiencing the sharpest fall, descending from 31% to 13%. Following May, June further lowers the chances to merely 5%, suggesting that while early months may offer ample sunshine, the onset of summer in Dongguan tends to bring about cloudier skies. Thus, if you're hoping for clear blue skies in May, it would be wise to temper those expectations.

Percentage of Sunny Days in May in Dongguan

The chart illustrates the percentage of sunny days in Dongguan throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Dongguan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec69%55%35%31%13%5%27%16%52%29%44%50%
Data source: Dongguan May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Dongguan in May

In Dongguan, China, daylight duration gradually increases with the onset of the year, reaching a peak of 13 hours in May, which beautifully coincides with the arrival of spring. As winter recedes, daylight begins its steady ascent from 10 hours in January to a welcoming 12 hours in March, fostering a sense of renewal. The month of April maintains this brightness, paving the way for the longer days of May and early summer. After May, daylight remains consistent at 13 hours through June and July, providing ample time for outdoor activities and enjoyment of the vibrant green landscapes. However, as autumn approaches, daylight slowly tapers back down to 12 hours in August and continues its decline into the shorter days of fall and winter, reminding us of the natural cycles of light throughout the year.

Average Daylight Hours in Dongguan for May

The chart illustrates the variation in daylight duration in Dongguan throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 44m11h 17m12h12h 44m13h 22m13h 40m13h 31m12h 58m12h 16m11h 32m10h 54m10h 34m
Data source: Dongguan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Dongguan

In Dongguan, China, May typically experiences a gentle breeze, with an average wind speed of 1.5 m/s (3 mph). This marks a consistent trend with the preceding months of March and April, both recording the same wind speeds. As spring transitions to summer, the winds show a slight dip in June, dropping to 1.4 m/s (3 mph) before picking up again in the following months. Notably, the year's peak winds appear in October, suggesting that the mild breezes of May serve as a prelude to the brisker gusts that will follow, creating a pleasingly calm atmosphere for outdoor activities during this time. The overall pattern illustrates a stable, tranquil wind environment, ideal for enjoying the blossoming season.

Average May Wind Speed in Dongguan

The chart displays monthly wind speed patterns in Dongguan, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.81.61.51.51.5 m/s1.41.61.41.22.11.81.8
Data source: Dongguan May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Dongguan Compares to Other Months

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

May and January present stark contrasts in weather patterns. In May, temperatures range from a minimum of 10°C (50°F) to a scorching maximum of 36°C (97°F), with an average temperature of 23°C (74°F). The month is characterized by high humidity at 85% and significant rainfall, totaling 205 mm (8.1 in) over 19 days. In contrast, January experiences much cooler conditions, with temperatures ranging from a frigid minimum of -3°C (27°F) to a maximum of 29°C (84°F), averaging at 13°C (55°F). Additionally, January is relatively dry, receiving only 33 mm (1.3 in) of precipitation over just 5 days and with a lower humidity of 73%. For more detailed insights, you can check Dongguan weather in January.

May and February showcase stark contrasts in weather. In May, temperatures soar, with minimums around 10°C (50°F) and daytime highs reaching a scorching 36°C (97°F), while February experiences much colder conditions, with temperatures dipping as low as -2°C (28°F) and maxing out at 28°C (83°F). May is also characterized by high humidity levels of 85% and considerable rainfall, totaling 205 mm (8.1 in) over 19 days, compared to February's more moderate precipitation of 60 mm (2.4 in) spread over just 8 days. For a more detailed look at February's climate, check out Dongguan weather in February.

In comparing the weather of May and March, it’s clear that May is significantly warmer, with average temperatures reaching 23°C (74°F) compared to March’s 16°C (62°F). The maximum temperature in May can soar up to 36°C (97°F), while March peaks at a more moderate 31°C (89°F). Additionally, May experiences more rainfall, with 205 mm (8.1 inches) over 19 days, in contrast to March's 121 mm (4.8 inches) across 15 days. Humidity levels are also higher in May at 85%, compared to 80% in March. For a closer look at March weather specifics, check out Dongguan weather in March.

In comparison to April, May experiences significantly warmer temperatures, with a minimum of 10°C (50°F) and an average high of 36°C (97°F), while April’s temperatures range from a minimum of 5°C (41°F) to a maximum of 33°C (92°F). Moreover, May brings increased rainfall, totaling 205 mm (8.1 in) over 19 days, compared to April's 99 mm (3.9 in) over just 13 days. Despite the rise in precipitation, the humidity levels in May remain high at 85%, slightly above April's 81%. For more details on April weather, you can refer to Dongguan weather in April.

May and June exhibit distinct weather patterns, with both months sharing some similarities while also showing notable differences. In May, temperatures range from a minimum of 10°C (50°F) to a maximum of 36°C (97°F), with an average of 23°C (74°F). The month is characterized by high humidity at 85% and significant rainfall totaling 205 mm (8.1 in) over 19 days. In contrast, June sees higher overall temperatures, with a minimum of 18°C (64°F) and an average of 26°C (79°F), while still reaching a maximum of 36°C (97°F). However, June receives even more rain, measuring 285 mm (11.2 in) over 21 days, accompanied by slightly lower humidity at 81%. For a closer look at June's climate specifics, check out Dongguan weather in June.

May and July offer contrasting experiences in terms of weather. In May, temperatures range from a cooler minimum of 10°C (50°F) to a maximum of 36°C (97°F), with an average temperature of 23°C (74°F). The month is characterized by relatively high precipitation, with 205 mm (8.1 inches) over 19 days, leading to a humid environment with an average humidity of 85%.

In contrast, July experiences warmer conditions, with minimum temperatures rising to 22°C (72°F) and a maximum of 37°C (99°F), while the average temperature settles at 28°C (82°F). Rainfall decreases to 135 mm (5.3 inches) over 15 days, resulting in slightly lower humidity levels at 84%. For more detailed insights into July weather, you can check out Dongguan weather in July.

In May, temperatures in Dongguan range from a minimum of 10°C (50°F) to a maximum of 36°C (97°F), with an average temperature of 23°C (74°F). The month experiences significant rainfall, totaling 205 mm (8.1 in) over 19 days, along with high humidity levels at 85%. In contrast, August brings warmer temperatures with a minimum of 22°C (72°F) and an average of 27°C (81°F), while still reaching a maximum of 36°C (97°F). Rainfall increases to 251 mm (9.9 in) across 20 days, and humidity slightly decreases to 82%. For more details on August weather in Dongguan, check out Dongguan weather in August.

In May, the weather features a broader range of temperatures with a minimum of 10°C (50°F) and an average high of 36°C (97°F), making it quite warm overall. However, this month also experiences significant rainfall, with around 205 mm (8.1 in) falling over 19 days, leading to high humidity levels of 85%. In contrast, September offers warmer minimum temperatures starting at 15°C (60°F) and averages peaking at 39°C (102°F), but with considerably less precipitation at 94 mm (3.7 in) over 13 days. Humidity in September is lower at 70%, providing a more comfortable atmosphere. For more details, check out Dongguan weather in September.

May and October present contrasting weather patterns. In May, temperatures range from a low of 10°C (50°F) to a high of 36°C (97°F), with an average of 23°C (74°F). This month is also characterized by significant rainfall, averaging 205 mm (8.1 in) over 19 days, and high humidity at 85%. In contrast, October enjoys milder temperatures, with temperatures ranging from 10°C (51°F) to 35°C (96°F) and an average of 22°C (72°F). Precipitation drops dramatically to 39 mm (1.5 in) over just 5 days, and humidity decreases to a more comfortable 73%. For more specific details about the weather in October, you can visit Dongguan weather in October.

May and November exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 10°C (50°F) to a maximum of 36°C (97°F), with an average of 23°C (74°F). This month also sees significant rainfall, with 205 mm (8.1 in) spread over 19 days and high humidity levels at 85%. In contrast, November offers milder weather, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 30°C (87°F), averaging 18°C (65°F). Precipitation in November is considerably lower at 46 mm (1.8 in) across just 7 days, and humidity is reduced to 77%. For more details, check out Dongguan weather in November.

May and December showcase contrasting weather conditions. In May, temperatures can soar from a minimum of 10°C (50°F) to a sweltering maximum of 36°C (97°F), with an average of 23°C (74°F). Additionally, May experiences substantial rainfall, totaling 205 mm (8.1 in) over approximately 19 days, and high humidity at 85%. In contrast, December offers a cooler climate, with temperatures ranging from a minimum of 1°C (34°F) to a comfortable maximum of 28°C (83°F) and an average of 14°C (57°F). Rainfall is minimal in December, amounting to just 25 mm (1.0 in) across 5 days, and the humidity decreases to 79%. For more details on December weather, you can visit Dongguan weather in December.

Compare Dongguan's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Dongguan

In May, Dongguan experiences a delightful shift in weather, transitioning from the cooler temperatures of spring to the warmth of early summer. With increasing warmth and humidity, this month sees an uptick in both temperature and precipitation, making it one of the wetter months of the year. Rainfall can be expected on nearly two-thirds of the days, contributing to the lush landscapes that define the region. This mix of high humidity and frequent showers sets the stage for a vibrant atmosphere, offering a stark contrast to the drier, cooler months preceding it. For a detailed look at the weather patterns throughout the year, visit Dongguan Climate.