Last updated: August 21, 2025
In Guangzhou during May, temperatures start to soar, with maximums reaching up to 34°C (93°F) and an average of 20°C (69°F). While the daytime heat can be intense, nights can dip to a minimum of 9°C (48°F), offering a brief reprieve. This month is characterized by a high humidity level of 86%, creating a muggy atmosphere. Expect significant rainfall, with an average precipitation of 245 mm (9.6 in) over approximately 19 days, making May a month where both rain gear and sunscreen are essential for outdoor activities.
In May, Guangzhou experiences a delightful transition into summer, marked by noticeable warmth and rising temperatures. With a minimum of 9°C (48°F) and an average of 20°C (69°F), the city begins to shed the cooler vibes of spring. The maximum temperature can soar to a balmy 34°C (93°F), signaling the approach of the intense heat of June and July. This month stands out for its increased warmth compared to previous months, as the steady climb from April's max of 31°C (88°F) to May's peak highlights a trend of burgeoning heat. As the days grow longer and sunnier, locals and tourists alike embrace the vibrant outdoor culture of Guangzhou, making May a truly lively and enjoyable time to visit.
In Guangzhou, China, May marks a significant peak in precipitation, with an impressive total of 245 mm (9.6 in), making it one of the wettest months of the year. This surge contributes to a broader trend of increasing rainfall as spring transitions into summer, following the heavier downpours of April. With 19 days of rain, May experiences a slight uptick in rainy days compared to previous months, hinting at the onset of the monsoon season. The gradual rise from January’s modest 72 mm (2.8 in) to May’s lush accumulation showcases Guangzhou’s shift toward a more humid climate, as the city prepares for the verdant growth that accompanies the summer months ahead.
May marks a notable shift in Guangzhou's humidity landscape, with levels reaching 86%, consistently among the highest of the year alongside June and July. This gradual rise from 67% in January to May's peak reflects the city's transition into the sultry summer months, where moisture-laden air dominates. Interestingly, the humidity earlier in the year, particularly in March at 84%, sets the stage for the increasingly muggy conditions. As the year progresses, we see a trend of high humidity persisting through summer before tapering off in the fall, exemplifying Guangzhou's characteristic tropical climate. With May's sweltering embrace, residents and visitors alike brace for the heat and humidity that define this vibrant city.
As May arrives in Guanzhou, China, residents and visitors alike should prepare for some of the year's highest sun exposure. With a UV Index peaking at 12, categorized as extreme, the risk of harm from unprotected sun exposure is significant, allowing only a brief burn time of just 10 minutes. This trend of increasing UV levels continues from April's already intense conditions and sets the stage for an equally intense June and July, where the UV Index may reach even higher levels. As the summer progresses, it's crucial to stay informed and protected against the sun's powerful rays. For detailed insights on UV exposure, check out Guanzhou UV Index.
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May unveils a radiant charm in Guangzhou, China, boasting 239 hours of glorious sunshine. This month marks a significant transition as daylight hours peak, transitioning from the more modest totals of earlier months—only 109 hours in January and 148 hours in February. As spring unfolds, sunshine steadily increases, with each subsequent month leading up to this vibrant month. May’s brightness is a precursor to the sun-soaked summer, which sees even higher totals, peaking in July at 292 hours. This delightful trend of increasing sunlight illustrates the city's warm embrace of warmer weather, making May a splendid time for outdoor activities and enjoying the picturesque landscapes that Guangzhou has to offer.
In Guangzhou, China, the month of May presents a moderate chance of sunny weather, with a 18% likelihood of clear skies. This marks a slight improvement compared to the preceding months, although it remains relatively low when considering the overall trend from January through April, which shows a steady decline in sunny days—peaking at 38% in January and dropping to a mere 9% by April. Following May, the chances of sunshine gradually increase again, particularly in the autumn months, when September reaches a sunny high of 48%. Hence, while May offers some hope for clear weather, it is part of a transitional phase leading to a more promising sunny season later in the year.
In Guangzhou, China, the daylight duration exhibits a gradual and uplifting trend as the year progresses from winter to summer. Starting with a modest 10 hours in January, there is a steady increase, reaching 12 hours by April. The month of May is a highlight, as daylight peaks at 13 hours, which continues through the summer months of June, July, and August, offering ample time for outdoor activities and exploration. As autumn arrives, daylight gently tapers off, dropping back to 12 hours in September and inching down to 10 hours by December. This pattern showcases the vibrant shift from shorter, cooler days to longer, sun-filled ones, encapsulating the essence of the changing seasons in this bustling city.
As May unfolds in Guangzhou, the average wind speed settles at a gentle 1.4 m/s (3 mph), consistent with the breezy conditions of previous months. This pattern of mild wind velocities from January through April creates a serene atmosphere, setting the stage for the gradual increase observed in the months ahead. Interestingly, June and July see a slight uptick to 1.5 m/s (3 mph) and 1.6 m/s (4 mph), suggesting a subtle change that might invigorate the city’s warmth as summer approaches. The overall trend illustrates a delicate balance between calmness and a hint of energy, making May an ideal time for outdoor activities before the more vigorous winds of late summer.
Weather in Guanzhou varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Guanzhou, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in May and January, it’s clear that they present stark contrasts. May boasts a temperature range from a chilly 9°C (48°F) to a sizzling high of 34°C (93°F), resulting in a warm average of 20°C (69°F). This month also sees considerable rainfall, with 245 mm (9.6 in) of precipitation over 19 days and high humidity levels at 86%. In contrast, January is much cooler, with temperatures ranging from -5°C (23°F) at its lowest to a maximum of 17°C (63°F), resulting in an average of just 5°C (41°F). The precipitation in January is significantly less at 72 mm (2.8 in) over 11 days, with lower humidity at 67%. For more details about the January weather, visit Guanzhou weather in January.
When comparing the weather in May to that of February, notable contrasts emerge. May experiences significantly warmer temperatures, with an average of 20°C (69°F) and highs reaching up to 34°C (93°F), whereas February has a much cooler average of 7°C (44°F) and a maximum of 25°C (77°F). Additionally, May has a higher level of humidity at 86% compared to February's 73%, contributing to a more muggy feel. Precipitation in May is also substantial, with 245 mm (9.6 in) of rain spread over 19 days, while February sees less rainfall at 93 mm (3.7 in) over 16 days. For more specific details, you can check Guanzhou weather in February.
In comparing the weather between March and May, it's evident that May experiences a significantly warmer climate, with average temperatures reaching 20°C (69°F) compared to March's cooler average of 12°C (54°F). Additionally, May sees higher maximum temperatures, soaring up to 34°C (93°F), whereas March peaks at 29°C (85°F). However, May also brings increased precipitation, totaling 245 mm (9.6 in) over 19 days, in contrast to March's 146 mm (5.7 in) over 20 days. Humidity levels are somewhat comparable, with May at 86% and March at 84%, indicating that both months are quite humid, but May is slightly wetter overall. For more detailed insights, you can explore Guanzhou weather in March.
In comparing the weather of April and May, it is clear that May tends to be warmer and wetter. Average temperatures rise from 16°C (61°F) in April to 20°C (69°F) in May, with maximum temperatures reaching up to 34°C (93°F). April experiences less precipitation at 158 mm (6.2 in) over 18 days, while May sees a significant increase with 245 mm (9.6 in) spread across 19 days. Additionally, relative humidity rises slightly from 82% in April to 86% in May, indicating a more humid atmosphere as spring progresses. For more detailed information, you can check Guanzhou weather in April.
May and June exhibit notable similarities and differences in weather patterns. In May, temperatures range from a cooler 9°C (48°F) at night to a warm 34°C (93°F) during the day, with an average of 20°C (69°F). The month experiences significant rainfall, with 245 mm (9.6 in) of precipitation over 19 days, coupled with high humidity levels of 86%. In contrast, June sees a slight increase in temperatures, with minimums at 14°C (57°F) and an average of 24°C (75°F), while still reaching a maximum of 34°C (93°F). Rainfall slightly increases to 252 mm (9.9 in) over the same number of days, maintaining the same humidity levels of 86%. For more detailed information, check out Guanzhou weather in June.
In May, temperatures in Guanzhou range from a minimum of 9°C (48°F) to a maximum of 34°C (93°F), with an average temperature of 20°C (69°F). The month is characterized by significant rainfall, totaling 245 mm (9.6 in) over 19 days and high humidity at 86%. In contrast, July brings warmer temperatures, with a minimum of 19°C (66°F) and a maximum of 37°C (98°F), averaging at 27°C (80°F). While precipitation is somewhat lower at 203 mm (8.0 in) over 20 days, humidity slightly increases to 88%. For more details on the July weather, you can check Guanzhou weather in July.
May and August present contrasting weather patterns. In May, temperatures range from a cool 9°C (48°F) at night to a warm 34°C (93°F) during the day, with an average of 20°C (69°F). However, May is also marked by significant rainfall, with 245 mm (9.6 in) of precipitation over 19 days and high humidity at 86%. In comparison, August enjoys warmer conditions, with nighttime lows of 18°C (64°F) and daytime highs reaching up to 37°C (98°F), averaging 27°C (80°F). Precipitation in August is less frequent at 158 mm (6.2 in) over 16 days, while humidity remains similar at 85%. For more details, visit Guanzhou weather in August.
In comparing the weather between May and September, we can observe some notable differences. May experiences a generous range of temperatures with a minimum of 9°C (48°F) and can peak at a scorching 34°C (93°F), while September starts warmer, with a minimum temperature of 14°C (57°F) and a maximum of 35°C (95°F). Precipitation also varies significantly; May is much wetter with 245 mm (9.6 in) of rainfall over 19 days, compared to September's 187 mm (7.4 in) over 16 days. Additionally, the humidity in May is notably higher at 86%, whereas September presents a more comfortable level at 71%. For more specific insights about September weather, you can visit Guanzhou weather in September.
In May, the weather showcases a wider range of temperatures with a minimum of 9°C (48°F) and a maximum of 34°C (93°F), leading to an average temperature of 20°C (69°F). This month is characterized by high humidity at 86% and significant rainfall, averaging 245 mm (9.6 in) over 19 days. In contrast, October brings milder conditions with a minimum temperature of 8°C (47°F) and a maximum of 33°C (91°F), resulting in an average temperature of 17°C (62°F). The precipitation decreases to 113 mm (4.5 in) over 14 days, and humidity lowers to 74%, making it a drier month overall. For more details, you can refer to Guanzhou weather in October.
May and November offer contrasting weather experiences, showcasing the transition from spring to late autumn. In May, temperatures range from a minimum of 9°C (48°F) to a maximum of 34°C (93°F), with an average of 20°C (69°F). This month is characterized by substantial rainfall, receiving about 245 mm (9.6 in) spread over 19 days, and a high humidity of 86%. In contrast, November presents cooler temperatures, with a minimum of 3°C (37°F), an average of 12°C (54°F), and a maximum of 27°C (81°F). Precipitation is significantly lower, totaling 95 mm (3.7 in) over 13 days, while humidity remains relatively stable at 85%. For more information on temperature and precipitation patterns, check out Guanzhou weather in November.
May and December present starkly contrasting weather patterns. In May, temperatures range from a minimum of 9°C (48°F) to a maximum of 34°C (93°F), with an average of 20°C (69°F). The month is characterized by high humidity at 86% and significant rainfall, totaling 245 mm (9.6 in) over 19 days. In contrast, December features a much cooler climate, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 19°C (66°F) and an average of just 7°C (44°F). Precipitation drops to 59 mm (2.3 in) over 11 days, and humidity decreases to 75%. For more detailed insights about the December weather, visit Guanzhou weather in December.
As May rolls into Guanzhou, the weather undergoes a noticeable transformation, ushering in warmer temperatures and increased humidity compared to previous months. With maximum highs reaching a sweltering 34°C, the city begins to feel the heat of summer, while the average temperature stabilizes around a comfortable 20°C. However, be prepared for the high humidity levels of around 86%, which can make the warmth feel more intense. Alongside these conditions, May sees frequent rainfall, contributing to a total precipitation of 245 mm over 19 rainy days, setting the stage for lush greenery and vibrant blooms. For a deeper insight into the weather patterns throughout the year, check out Guanzhou Climate.