May Weather in Dongguan, China

Last updated: August 21, 2025

In Dongguan, China, the weather in May showcases a vibrant interplay of temperatures and humidity. With a maximum soaring to 37°C (99°F) and an average of 24°C (76°F), the month brings warmth that contrasts sharply with a minimum dipping to 12°C (54°F). Rainfall is a significant feature, totaling 291 mm (11.5 in) over 17 days, leading to a humid environment with an impressive 86% humidity. This combination of warmth and moisture creates a lush atmosphere, typical of Dongguan's late spring, where the unpredictability of showers adds a refreshing touch to the landscape.

May Temperature in Dongguan

In May, Dongguan, China, transitions into the warmth of late spring, showcasing a noticeable increase in temperatures. With minimums rising to 12°C (54°F) and averages reaching 24°C (76°F), the city enjoys pleasant days that invite outdoor activities. The maximum temperature spikes to a sizzling 37°C (99°F), hinting at the approaching summer heat. This month acts as a precursor to the sweltering summer months ahead, where average temperatures steadily climb. As the transition from the cooler spring months occurs, May is marked by a harmonious blend of comfortable warmth and sunny skies, making it an ideal time for exploration and enjoyment in Dongguan.

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).
JanFebMarAprMayJunJulAugSepOctNovDec464959677581868781706049
Data source: Temperature data for Dongguan 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 Dongguan

In May, Dongguan experiences a significant uptick in precipitation, with an impressive 291 mm (11.5 in) falling over 17 days. This sharp increase from April's already substantial totals highlights May as part of the region's lush and wet transition into summer. The month stands out not only for its heightened rainfall but also as a precursor to June, which sees even more precipitation, peaking at 381 mm (15.0 in). The trend of rising rainfall is evident, setting the stage for a vibrant landscape as the rainy season fully unfolds. This pattern underscores the importance of May as a key month in the annual climate cycle for Dongguan, where each drop contributes to the region's rich ecosystem and agricultural vitality.

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.
JanFebMarAprMayJunJulAugSepOctNovDec60861971872923812369683437644
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Dongguan

As spring transitions into summer in Dongguan, China, May brings a noticeable spike in humidity, reaching 86%—the highest level recorded so far this year. This sharp increase is indicative of the region's characteristic subtropical climate, as humidity steadily rises from January's relatively manageable 64% to April's 81%. Such conditions not only make May feel warmer but also set the stage for the sultry months ahead. Interestingly, while humidity peaks in July at 89%, this month serves as a pivotal point, marking the shift toward the more sweltering summer. Overall, the trend showcases a gradual but significant increase in moisture levels as the year progresses, deeply influencing the weather and lifestyle in Dongguan.

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.
JanFebMarAprMayJunJulAugSepOctNovDec64%69%79%81%86%83%90%84%62%64%72%76%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Dongguan

As the temperatures rise in May, Dongguan experiences a notable shift in UV radiation, with a UV Index of 12, placing it in the extreme exposure category. This level of intensity heralds a critical time for sun safety, as residents and visitors alike face a burn time of just 10 minutes before damage can occur. This trend of increasing UV exposure beginning from earlier months, where January's index starts at 6 and builds to May's peak, underscores the importance of vigilance during this season. With UV levels remaining high into June and July, it’s essential to take proactive measures to protect the skin. For more insights into the UV Index throughout the year, check out 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.
JanFebMarAprMayJunJulAugSepOctNovDec6810111212131311975
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

May truly shines in Dongguan, China, as it boasts an impressive 273 hours of sunshine, marking a significant increase compared to the earlier months of the year. After starting the year with just 155 hours in January, the sunlight steadily rises, culminating in May's vibrant display. This month stands out as a pivotal point in the year, bridging the gap between the mild spring and the sultry summer ahead. Following May, June holds onto a respectable 236 hours, while the summer months of July and August reach their peak, showcasing 307 and 315 hours respectively. As the seasons transition, the trend of sun-soaked hours offers a compelling invitation to embrace Dongguan's warm and lively atmosphere, perfect for outdoor adventures and cultural experiences.

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.
JanFebMarAprMayJunJulAugSepOctNovDec155h193h188h231h273h236h307h315h278h223h204h200h
Data source: Dongguan May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Dongguan During May

In Dongguan, China, the likelihood of sunny weather in May drops to a modest 16%, continuing a trend of declining sunshine since the start of the year. This stands in stark contrast to the 59% chance of sun in January, showcasing a significant decrease as the spring months progress. By April, the chances of clear skies have dwindled to just 18%, with May experiencing one of the lowest probabilities for sunlight. Interestingly, a resurgence in sunny weather is seen later in the year, particularly in September, which boasts a healthy 67% chance, hinting at a seasonal shift that brings back more favorable weather conditions. Thus, while May may not be ideal for sun-seekers, there’s optimism on the horizon as summer approaches.

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.
JanFebMarAprMayJunJulAugSepOctNovDec59%39%27%18%16%15%28%26%67%34%45%50%
Data source: Dongguan May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Dongguan in May

As spring transitions into summer in Dongguan, China, daylight duration steadily increases, reaching a peak of 13 hours by May. This month marks the height of sunlight, illuminating the landscapes and energizing the local life. The trend begins in January with 10 hours of daylight, gradually climbing as warm weather approaches and nature awakens. By April, the days stretch to 12 hours, creating a vibrant atmosphere, and May delivers the first taste of summer with abundant light. Following May, daylight remains consistent at 13 hours during the summer months of June, July, and August. As fall sets in, daylight begins to recede, transitioning back to 10 hours by December, reminding us of the cyclical dance of the seasons.

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 35m11h 11m11h 59m12h 49m13h 31m13h 51m13h 41m13h 5m12h 17m11h 28m10h 45m10h 23m
Data source: Dongguan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Dongguan

May in Dongguan, China, brings a gentle breeze with an average wind speed of 2.1 m/s (5 mph), a slight increase from the previous months. As spring transitions into early summer, the winds remain stable, mirroring the conditions seen in April and June, where they also recorded 2.1 m/s (5 mph). This consistency in wind speed is a hallmark of the region during this time, creating a refreshing atmosphere that's ideal for outdoor activities. Notably, the wind speeds begin to rise in July, hinting at the dynamic weather shifts that summer can bring. Overall, May's mild winds encapsulate the essence of a beautiful spring day, providing just the right touch of freshness before the heat of summer sets in.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2.31.92.12.02.1 m/s2.12.51.81.92.71.92.0
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 showcase stark contrasts in weather patterns. In May, temperatures soar, ranging from a minimum of 12°C (54°F) to a maximum of 37°C (99°F), while the average temperature settles around a warm 24°C (76°F). This month is characterized by high humidity at 86% and significant rainfall, accumulating 291 mm (11.5 in) over approximately 17 days, making it one of the wetter months of the year. In contrast, January presents a much cooler climate, with temperatures dipping as low as -5°C (23°F) and reaching a maximum of 25°C (78°F), averaging only 8°C (46°F). The precipitation is relatively low, with only 60 mm (2.4 in) over about 8 days, coupled with a humidity level of 64%. For more detailed insights about January weather, you can check Dongguan weather in January.

May presents a much warmer climate compared to February, with temperatures ranging from a cool 12°C (54°F) to a sweltering 37°C (99°F) and an average of 24°C (76°F). In contrast, February experiences significantly lower temperatures, from a frigid -3°C (28°F) to a pleasant max of 27°C (81°F), averaging just 10°C (50°F). Additionally, May is characterized by higher humidity levels at 86% and frequent precipitation, with 291 mm (11.5 in) falling over 17 days. February, on the other hand, is drier, receiving only 86 mm (3.4 in) of rain over 10 days and a lower humidity at 69%. For more details about February weather, visit Dongguan weather in February.

May typically exhibits warmer temperatures compared to March, with daily averages reaching up to 24°C (76°F) and maximums soaring to 37°C (99°F). In contrast, March's temperatures range from a chilly minimum of 3°C (38°F) to a pleasant average of 15°C (59°F). While both months experience a fair amount of rain, May brings significantly more precipitation at 291 mm (11.5 in) over 17 days, compared to March’s 197 mm (7.7 in) across 18 days. Additionally, humidity levels are notably higher in May at 86%, compared to March's 79%. For a closer look at the weather specifics for March, check out Dongguan weather in March.

In comparing the weather between April and May, it’s evident that May experiences significantly warmer temperatures, with an average of 24°C (76°F) compared to April’s 19°C (67°F). The minimum temperature also rises notably from 5°C (41°F) in April to 12°C (54°F) in May, while the maximum soars to a high of 37°C (99°F) in May, surpassing April’s peak of 34°C (94°F). Additionally, May receives more precipitation, with 291 mm (11.5 in) over 17 days, compared to April's 187 mm (7.4 in) across 16 days. The humidity also increases slightly, sitting at 86% in May compared to 81% in April. For more detailed information on April weather, you can visit Dongguan weather in April.

May and June exhibit some notable similarities and differences in weather patterns. Both months see maximum temperatures reaching up to 37°C (99°F), but June starts warmer with a minimum temperature of 17°C (63°F) compared to May's 12°C (54°F). The average temperature also increases from 24°C (76°F) in May to 27°C (81°F) in June. However, June experiences higher precipitation levels, with 381 mm (15.0 in) of rainfall over 19 days, compared to May's 291 mm (11.5 in) over 17 days. Humidity levels are slightly lower in June at 83%, compared to May's 86%. For more insights, you can check this link: Dongguan weather in June.

May and July present distinct weather patterns, with May featuring cooler temperatures and higher precipitation. In May, temperatures range from a mild minimum of 12°C (54°F) to a maximum of 37°C (99°F), with an average of 24°C (76°F). However, this month is also characterized by significant rainfall, totaling 291 mm (11.5 in) over 17 days, and a humidity level of 86%.

In contrast, July is warmer, with minimum temperatures starting at 22°C (71°F) and peaking at 39°C (102°F), averaging around 30°C (86°F). Rainfall is somewhat lower at 236 mm (9.3 in) over 14 days, while humidity rises slightly to 89%. For detailed information about the weather in July, you can refer to Dongguan weather in July.

May and August present markedly different weather patterns. In May, temperatures range from a minimum of 12°C (54°F) to a maximum of 37°C (99°F), with an average of 24°C (76°F). This month also sees a significant amount of precipitation, totaling 291 mm (11.5 in) over 17 rainy days, along with high humidity at 86%. In contrast, August experiences higher temperatures, with a minimum of 24°C (75°F) and an average of 31°C (87°F), peaking at 38°C (101°F). The rain total is considerably lower in August, at 96 mm (3.8 in) over 12 days, and humidity is slightly lower at 84%. For more specific details about August weather, check out Dongguan weather in August.

In May, the weather is characterized by warmer temperatures, ranging from a minimum of 12°C (54°F) to a maximum of 37°C (99°F), with an average of 24°C (76°F). It also experiences significant precipitation, totaling 291 mm (11.5 in) across 17 days, contributing to a high humidity level of 86%. In contrast, September brings milder conditions with temperatures ranging from 16°C (60°F) to a peak of 38°C (101°F), averaging 27°C (81°F). Precipitation drops significantly to 83 mm (3.3 in) over just 9 days, and the humidity decreases to 62%. For more details about the weather conditions in September, you can check out Dongguan weather in September.

In May, the weather transitions into warmth, with temperatures ranging from a cool 12°C (54°F) at night to a scorching peak of 37°C (99°F) during the day. This month is characterized by high humidity levels at 86% and considerable rainfall, averaging 291 mm over 17 days. In contrast, October offers a milder climate, with temperatures dipping to a minimum of 9°C (49°F) and an average of 21°C (70°F), peaking at 36°C (98°F). Precipitation is significantly reduced to 43 mm across just 7 days, accompanied by lower humidity levels of 64%. For more detailed insights, you can explore Dongguan weather in October.

May and November present distinct contrasts in weather patterns. In May, temperatures soar with a minimum of 12°C (54°F) and an average of 24°C (76°F), peaking at an intense 37°C (99°F). This month also experiences significant rainfall, totaling 291 mm (11.5 in) over 17 days, coupled with high humidity at 86%. In stark comparison, November showcases much cooler temperatures, with a minimum of 4°C (40°F), an average of 15°C (60°F), and a maximum of 30°C (87°F). Precipitation in November decreases to 76 mm (3.0 in), spread over 10 days, and humidity drops to a more comfortable 72%. For more specific information about November weather in Dongguan, you can visit Dongguan weather in November.

In May, the weather tends to be much warmer and more humid, with average temperatures ranging from a mild 12°C (54°F) to a scorching 37°C (99°F). This month also sees significant rainfall, totaling 291 mm (11.5 in) over approximately 17 days, contributing to a high humidity level of 86%. In contrast, December presents a more temperate climate, with temperatures averaging between -1°C (30°F) at night and a comfortable 27°C (80°F) during the day. Precipitation is much lower at 44 mm (1.7 in) over just 8 days, and humidity decreases to 76%. For more detailed information, you can check Dongguan weather in December.

Compare Dongguan's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Dongguan

As May unfolds in Dongguan, the weather transitions into a more dynamic phase compared to earlier months, characterized by rising temperatures that can reach up to a sweltering 37°C (99°F) and an average of 24°C (76°F). This month is notably marked by increased humidity levels, hovering around 86%, which can make the heat feel more intense. Additionally, May brings a significant amount of rain, with 291 mm (11.5 in) of precipitation over 17 days, signaling the onset of the rainy season. As you prepare for outdoor activities, be mindful of both the warmth and the showers that define May. For a deeper understanding of how Dongguan's climate changes throughout the year, visit Dongguan Climate.