May Weather in Guanghou, China

Last updated: August 21, 2025

In Guangzhou, China, May typically ushers in the warmth of spring, with maximum temperatures reaching 37°C (100°F), while average temperatures hover around a comfortable 16°C (61°F). The month experiences minimal rainfall, with an average of just 39 mm (1.6 in) over approximately 5 days of precipitation, contributing to a humidity level of 58%. This combination of warmth and occasional rain creates a pleasant atmosphere, making May an inviting time to explore the vibrant city and its rich culture.

May Temperature in Guanghou

In May, Guangzhou experiences a striking transformation, signaling the arrival of warmer weather as the city transitions from the chill of winter. With temperatures ranging from a minimum of -1°C (31°F) to a maximum of 37°C (100°F), this month showcases a remarkable rise in warmth, where the average temperature settles around 16°C (61°F). The gradual increase in temperatures throughout the spring hints at the imminent summer heat, making May a vibrant and lively time in the city. It's a month that captures the essence of spring, as blooming flowers and sunny days invite residents and visitors alike to embrace outdoor activities before the sweltering summer fully takes hold.

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

The chart illustrates May temperature patterns in Guanghou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guanghou, 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).
JanFebMarAprMayJunJulAugSepOctNovDec2103047617077706044245
Data source: Temperature data for Guanghou 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 Guanghou

In May, Guangzhou experiences a noticeable uptick in rainfall, with a total precipitation of 39 mm (1.6 in) over the course of 5 days. This marks a significant increase compared to the preceding months, reflecting a pattern of escalating moisture as the city transitions into the summer season. April's rainfall of 24 mm (0.9 in) is often a precursor to May's drizzle, setting the stage for a burgeoning wet season. As temperatures rise and humidity builds, May heralds the approach of more intense rainfall that will peak in the following months, with June and July typically bringing even heavier downpours. This shift not only invigorates the lush landscapes of the region but also indicates a lively onset of the monsoon climate that shapes the summer in southern China.

May Precipitation Trends in Guanghou

The chart displays monthly precipitation patterns in Guanghou, 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 Guanghou, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec245243995146141931984
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Guanghou

In May, Guangzhou, China, experiences a moderate humidity level of 58%, slightly up from April's 57%. This increase marks a transitional phase as the city prepares for the sweltering summer months ahead. The humidity begins to rise steadily in June, peaking at a muggy 84% in July and 85% in August. This trend reflects the city's tropical climate, where late spring and early summer pave the way for warmer, more humid days. Overall, May serves as a brief reprieve before the humidity reaches its peak, making it a comfortable time for outdoor activities before the intensified heat sets in.

May Average Humidity in Guanghou

This chart illustrates the average monthly humidity levels in Guanghou, 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 Guanghou is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%60%60%57%58%76%84%85%82%77%61%62%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Guanghou

As we transition into May in Guanghou, China, the UV Index reaches a notable 7—indicating a high level of sun exposure. This marks an upward trend from the previous months, where January started with a low index of 2 and steadily climbed to 6 in April. With a burn time of just 25 minutes in May, it's essential for residents and visitors alike to take precautions, such as applying sunscreen and wearing protective clothing. The increasing trend continues into June, where the UV Index escalates further to 8, emphasizing the need for sun safety as temperatures rise. For more information on UV levels throughout the year, check out Guanghou UV Index.

Maximum UV Index Levels in Guanghou for May

The chart shows the monthly maximum UV Index (UVI) for Guanghou 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 Guanghou typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235678986421
Data source: Guanghou 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 Guanghou

As May unfolds in Guangzhou, the city basks in 341 hours of glorious sunshine, marking it as one of the sunniest months of the year. This vibrant increase in daylight hours reflects a positive trend that begins in January at a modest 198 hours and steadily climbs, showcasing the gradual arrival of warmth and brightness. By May, residents and visitors alike revel in the peak of spring's embrace, with sunlight gracefully spilling into every corner of the city. Following May, the sunny days slightly intensify in June, peaking at 343 hours, while the summer months of July and August maintain high counts before a gentle decline ushers in the autumn months. This cycle not only enriches the city's natural beauty but also invigorates the urban landscape, highlighting Guangzhou’s sun-soaked charm.

Monthly Sunshine Duration in Guanghou: May Highlighted

The May sunshine duration represents the total number of hours Guanghou 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.
JanFebMarAprMayJunJulAugSepOctNovDec198h246h297h313h341h343h350h288h282h268h228h236h
Data source: Guanghou May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Guanghou During May

As we transition into May in Guangzhou, China, the likelihood of sunny weather begins to wane, with a 47% chance of sunshine. This marks a noticeable decline from the sunniest months of winter, where January boasts a 68% likelihood. The trend shows that while early spring offers a decent chance for clear days, April's 52% is followed by a dip in May, before stabilizing slightly in June at 50%. As summer approaches, the chances of sunny weather further decrease, particularly in the peak of July, where they drop to just 24%. Overall, May serves as a transitional month, hinting at the upcoming warmth while also reminding residents of the variability in their weather patterns.

Percentage of Sunny Days in May in Guanghou

The chart illustrates the percentage of sunny days in Guanghou 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 Guanghou experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec68%60%60%52%47%50%24%37%45%66%52%74%
Data source: Guanghou May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Guanghou in May

In Guangzhou, China, the progression of daylight duration throughout the year reveals a clear trend toward longer days as spring transitions into summer. Starting with just 8 hours of daylight in January, the city experiences a gradual increase, reaching 15 hours by both May and June. This peak in daylight coincides perfectly with the onset of summer, providing residents with ample sunlight to enjoy outdoor activities. As summer wanes into autumn, daylight hours begin to decline, tapering off to 12 hours in September, followed by further reductions to 10 hours in October, and continuing down to 8 hours again by December. This cyclical pattern of daylight duration not only enhances the seasonal experience but also influences the lifestyle and activities of those living in this vibrant city.

Average Daylight Hours in Guanghou for May

The chart illustrates the variation in daylight duration in Guanghou throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 57m10h 16m11h 55m13h 36m15h 4m15h 49m15h 26m14h 9m12h 31m10h 50m9h 20m8h 33m
Data source: Guanghou daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Guanghou

In May, Guangzhou experiences a breath of fresh air, with wind speeds averaging 3.9 m/s (9 mph). This marks a peak that mirrors April's gusty conditions, suggesting a delightful transition into summer. Following the increasing trend from the earlier months, where speeds gradually climbed from 2.8 m/s in January to this springtime high, May maintains a strong and consistent airflow. As the season progresses into June, a slight decline is anticipated, dropping to 3.1 m/s, hinting at the calming embrace of summer’s heat. Overall, May stands out as a balanced month, where refreshing breezes make it an ideal time to enjoy the vibrant outdoors in this bustling city.

Average May Wind Speed in Guanghou

The chart displays monthly wind speed patterns in Guanghou, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.83.43.63.93.9 m/s3.12.62.72.93.33.53.0
Data source: Guanghou May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Guanghou Compares to Other Months

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

May and January present starkly contrasting weather conditions. In May, temperatures range from a chilly minimum of -1°C (31°F) to a sweltering maximum of 37°C (100°F), with an average of 16°C (61°F), and a modest precipitation of 39 mm (1.6 in) over approximately five days. The humidity in May hovers around 58%, contributing to a warm and often humid atmosphere. Conversely, January is far colder, with temperatures plummeting to a minimum of -30°C (-22°F) and an average temperature of -16°C (3°F), only rising to a maximum of 0°C (33°F). Precipitation is minimal, at just 2 mm (0.1 in), and occurs on no days, while humidity increases to 70%, making the air feel even colder. For those interested in the specific weather patterns of this region, you can explore more details Guanghou weather in January.

May and February present starkly contrasting weather conditions. In May, the temperatures range from a chilly minimum of -1°C (31°F) to a sweltering maximum of 37°C (100°F), averaging around a comfortable 16°C (61°F). With 39 mm of precipitation over five days, May tends to be relatively damp, yet the humidity sits at a moderate 58%. In contrast, February experiences much harsher winter conditions, with temperatures plummeting to a minimum of -28°C (-18°F) and averaging -12°C (11°F), peaking at just 12°C (53°F). This month only sees about 4 mm of precipitation across a single day, and the humidity is slightly higher at 60%. For more details on February weather specifics, visit Guanghou weather in February.

When comparing the weather in May and March, it's clear that May offers significantly warmer temperatures, with minimums around -1°C (31°F) and average highs soaring to 37°C (100°F). In contrast, March experiences much colder temperatures, with minimums dropping to a frigid -20°C (-3°F) and an average maximum of 22°C (73°F). Additionally, May sees more precipitation, totaling 39 mm over 5 days, while March is notably drier, receiving only 5 mm on just 1 day. Humidity levels are fairly similar, with March at 60% and May at 58%. For more detailed weather information, you can check Guanghou weather in March.

In comparing the weather between April and May, significant differences emerge, particularly in temperature and precipitation. May boasts a wider range of temperatures, with a minimum of -1°C (31°F) and a peak of 37°C (100°F), resulting in an average of 16°C (61°F). In contrast, April is notably cooler, with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 30°C (85°F), averaging just 8°C (47°F). Precipitation also differs, as May experiences 39 mm (1.6 in) over 5 days, compared to April's 24 mm (0.9 in) over 3 days. Despite these variations, humidity levels remain quite similar, with April at 57% and May slightly higher at 58%. For a more detailed look at April's climate, you can check Guanghou weather in April.

In comparing the weather between May and June, we see a noticeable increase in both temperature and humidity. May typically presents cooler temperatures with a minimum of -1°C (31°F) and an average of 16°C (61°F), while June warms up significantly, starting at a minimum of 8°C (47°F) and reaching an average of 21°C (70°F). Additionally, the maximum temperature in June can rise to 41°C (106°F), compared to May's peak of 37°C (100°F). June also brings a substantial increase in precipitation, averaging 95 mm (3.8 in) over 11 days, compared to May’s 39 mm (1.6 in) over just 5 rainy days. This contributes to higher humidity levels in June, at 76%, compared to 58% in May. For more detailed information, refer to Guanghou weather in June.

May and July exhibit distinct differences in weather patterns. In May, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 37°C (100°F), with an average temperature of 16°C (61°F). The month sees relatively low precipitation, totaling 39 mm (1.6 in) over just 5 days, while humidity sits at a comfortable 58%. In contrast, July boasts much warmer conditions, with minimum temperatures at a milder 13°C (56°F), an average of 25°C (77°F), and a maximum that matches May's peak at 37°C (98°F). However, July experiences significantly higher precipitation at 146 mm (5.7 in) over 12 days, accompanied by increased humidity levels rising to 84%. For more details on July’s climate, you can visit Guanghou weather in July.

May and August present notably different weather conditions. In May, temperatures range from a chilly -1°C (31°F) at night to a scorching 37°C (100°F) during the day, averaging around 16°C (61°F). This month experiences relatively low precipitation at 39 mm (1.6 in) over just 5 days, with humidity levels sitting at 58%. In contrast, August features milder temperatures, with a minimum of 8°C (47°F) and a maximum of 34°C (93°F), averaging 21°C (71°F). However, it sees significantly more rainfall, totaling 141 mm (5.5 in) across 14 days, and higher humidity levels at 85%. For further details, you can check Guanghou weather in August.

May and September exhibit distinct weather patterns, despite having similar average temperatures of 16°C (61°F). In May, temperatures range from a chilly -1°C (31°F) to a sweltering 37°C (100°F), characterized by lower humidity at 58% and only 39 mm (1.6 in) of precipitation over about 5 days. In contrast, September features milder temperatures with a minimum of 2°C (37°F) and a maximum of 31°C (88°F), but also higher humidity at 82% and significantly increased rainfall, accumulating 93 mm (3.7 in) across roughly 10 days. For more detailed information on weather during this time, visit Guanghou weather in September.

The weather in May features a broader temperature range, with minimums dropping to -1°C (31°F) and maximums soaring up to 37°C (100°F), leading to an average of 16°C (61°F). In contrast, October experiences cooler temperatures, reaching a minimum of -10°C (14°F) and peaking at 30°C (87°F), with an average of only 7°C (44°F). While May sees about 39 mm (1.6 in) of precipitation over 5 days, October is drier with just 19 mm (0.7 in) falling over 3 days, but it does have higher humidity levels at 77% compared to May's 58%. For more detailed insights into October weather, you can visit Guanghou weather in October.

May and November display stark contrasts in weather conditions. In May, temperatures range from a chilly low of -1°C (31°F) to a sweltering high of 37°C (100°F), with an average temperature of 16°C (61°F). The month sees about 39 mm (1.6 in) of precipitation across five days, while humidity hovers around 58%. In comparison, November experiences much colder temperatures, with a minimum of -21°C (-6°F) and a maximum of 15°C (60°F), averaging -5°C (24°F). Notably, November is drier, with only 8 mm (0.3 in) of precipitation over just one day, and humidity slightly increases to 61%. For more detailed weather insights, you can check Guanghou weather in November.

May and December showcase stark contrasts in weather. In May, temperatures can range from a chilly -1°C (31°F) to a scorching 37°C (100°F), with an average around a mild 16°C (61°F). The month experiences around 39 mm (1.6 in) of precipitation, occurring over five days, alongside a comfortable humidity level of 58%. In contrast, December is much harsher, with temperatures plummeting to a minimum of -29°C (-19°F) and an average temperature of -15°C (6°F). The maximum temperature barely reaches 7°C (45°F), accompanied by minimal precipitation of only 4 mm (0.1 in) and no rainy days. Humidity is slightly higher at 62%, but the overall frigid conditions make December significantly chillier. For more detailed insights, you can check the specific conditions Guanghou weather in December.

Compare Guanghou's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Guanghou

May marks a significant transition in Guanghou’s weather, characterized by warmer temperatures and more moderate humidity compared to the cooler months preceding it. As the month unfolds, residents can expect a comfortable average temperature that hints at the approaching summer, while occasional brief showers contribute a touch of freshness to the atmosphere. With only a few days of precipitation, May strikes a pleasant balance between sunny days and necessary rainfall, making it ideal for outdoor activities. As you explore, don’t hesitate to learn more about the region’s overall patterns by visiting Guanghou Climate.