Last updated: August 21, 2025
May in Guangzhou, China, heralds the onset of warmth, with temperatures soaring to a maximum of 36°C (97°F) and a comfortable average of 27°C (81°F). The month experiences a noticeable humidity level of 79%, which, combined with the rising temperatures, creates a tropical ambiance. Despite the heat, rainfall is significant, with 222 mm (8.7 in) of precipitation spread across about 20 days. Visitors can expect a mix of sunny spells and refreshing showers, ideal for experiencing the vibrant blooms and lush landscapes of this bustling city.
In May, Guangzhou, China, begins to transition into the heat of summer, with temperatures reflecting a delightful warmth. Minimum temperatures hover around 15°C (60°F), providing a mild start to the month. As the days progress, the average temperature rises to a comfortable 27°C (81°F), perfect for both outdoor activities and exploring the city. The heat peaks with maximum temperatures reaching up to 36°C (97°F), setting a vibrant stage for late spring. Compared to the previous months, May showcases a significant increase in warmth, signaling a shift towards the hotter, sultrier summer months ahead. Visitors can expect to enjoy the outdoor ambiance while keeping cool—making it an ideal time to experience the lively culture and sights of Guangzhou.
In May, Guangzhou experiences a notable surge in precipitation, with an average of 222 mm (8.7 in) falling over 20 days—a stark increase compared to the previous month. This trend signifies the onset of the region's wet season, as rainfall levels rise dramatically from April's 148 mm (5.8 in) and hint at the upcoming June peak. The consistent precipitation not only refreshes the lush landscapes but also marks May as a month of transformation, where the vibrant city prepares for the heavier downpours of summer. As the rain pours, the air fills with a sense of rejuvenation and anticipation, wrapping Guangzhou in its lush greenery as it transitions fully into the monsoon season.
As May arrives in Guangzhou, the city experiences a noticeable increase in humidity, reaching a substantial 79%. This uptick marks a continuation of a trend observed since early spring, where humidity levels gradually climbed from 64% in January to 73% in March, before dipping slightly in April. Notably, the onset of May heralds the approach of the sultry summer months, with humidity peaking during July and August at 88%. This seasonal pattern suggests that residents and visitors alike should prepare for the increasingly damp conditions, as they are a hallmark of Guangzhou's vibrant and humid climate throughout the warmer months.
As May rolls into Guangzhou, the UV Index reaches a striking 13, categorizing it as extreme and marking a continuation of the high sun intensity that began in March. This peak level signifies a sharp increase from January's 7, making it crucial for residents and visitors alike to exercise caution during outdoor activities. With a mere 10 minutes of burn time, the urgency for sun protection is paramount. Interestingly, this intense UV exposure persists through June and July, hinting at a consistent trend of elevated solar radiation during these warming months. Those planning to enjoy the vibrant surroundings of Guangzhou this May should remain vigilant against prolonged sun exposure to ensure a safe and pleasant experience. For more information on UV levels throughout the year, visit Guangzhou UV Index.
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In May, Guangzhou revels in a remarkable 274 hours of sunshine, marking a vibrant transition into the summer months. This substantial increase from the previous months, such as April's 213 hours, highlights May as a key moment when sunny days truly begin to flourish. The warm temperatures and extended daylight not only invigorate the city’s energy but also set the stage for an exciting summer ahead. Following May, June continues the trend with 255 hours of sunshine, while July peaks at 301 hours, showcasing Guangzhou's trend of abundant sunlight, especially in the mid-year months. This seasonal arc emphasizes the city's stunning weather and its role in drawing locals and visitors alike to enjoy outdoor adventures.
In May, the likelihood of sunny weather in Guangzhou takes a dip, with a 28% chance of sunshine. This aligns with the trend observed since March, where the city has experienced diminishing prospects for clear skies, continuing through April. Although May shares this lower sun probability with the summer months of June and August, it stands notably above the dismal 10% chance in June. Interestingly, the sunny spells seem to rebound as the year progresses towards the end, with November showcasing a more optimistic 60% chance. Overall, May's weather tends to be a transitional phase, hinting at the humid summer to come while still holding a trace of sunny promise.
In Guangzhou, China, the progression of daylight duration throughout the year reveals a captivating rhythm, reflecting the transition of seasons. Starting with 10 hours in January, daylight gradually increases, reaching 12 hours by March and April, signifying the arrival of spring. As May rolls in, the city basks in 13 hours of daylight, marking the peak of sunlight for the year before it stabilizes through June and July, creating long, vibrant days perfect for outdoor activities. However, as summer fades into autumn, daylight gradually diminishes, tapering off again to 11 hours in October and November, and returning to 10 hours by December. This cyclical dance of light and dark promotes a lively seasonal lifestyle, inviting residents and visitors alike to embrace the sun-filled days of early summer.
In May, the wind in Guangzhou presents a gentle yet consistent breeze, with an average speed of 2.7 m/s (about 6 mph). This marks a slight increase from the preceding months of April and February, reflecting the city’s transition towards the warmer season. Notably, wind speeds tend to taper off during the summer months, dipping to 2.0 m/s in August, before making a resurgence in the autumn. Overall, the data showcases a steady, mild wind pattern in May, contributing to the city's humid subtropical climate and enhancing its vibrant outdoor atmosphere.
Weather in Guangzhou varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Guangzhou, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January exhibit stark contrasts in weather patterns. In May, temperatures range significantly from a minimum of 15°C (60°F) to a scorching maximum of 36°C (97°F), with an average of 27°C (81°F). This month also brings considerable rainfall, with 222 mm (8.7 in) of precipitation spread over 20 days and high humidity levels of 79%. In contrast, January offers much cooler temperatures, with lows of 4°C (39°F) and highs of 28°C (83°F), averaging around 16°C (61°F). Additionally, January is characterized by minimal precipitation, only 26 mm (1.0 in) over just 3 days, and lower humidity at 64%. For more detailed insights, you can check Guangzhou weather in January.
May and February present distinctly different weather patterns. In May, temperatures soar with a minimum of 15°C (60°F) and an average high of 36°C (97°F), making it significantly warmer than February, which has temperatures ranging from a cool 5°C (41°F) to a maximum of 30°C (86°F). Additionally, May is much wetter, experiencing 222 mm (8.7 in) of precipitation over 20 days, while February sees only 62 mm (2.4 in) of rain across just 8 days. Humidity levels also differ, with May being more humid at 79% compared to February's 68%. For those interested in further details, check out the Guangzhou weather in February.
In comparing the weather between May and March, notable differences emerge. May experiences warmer temperatures, with a minimum of 15°C (60°F), an average of 27°C (81°F), and a maximum reaching 36°C (97°F). In contrast, March has cooler temperatures, with a minimum of 9°C (49°F), an average of 21°C (70°F), and a maximum of 32°C (90°F). Precipitation is significantly higher in May, accumulating to 222 mm (8.7 in) over 20 days, compared to March's 110 mm (4.3 in) over 14 days. Additionally, May's humidity is elevated at 79%, while March exhibits a slightly lower level of 73%. For more detailed information, visit Guangzhou weather in March.
May's weather is generally warmer and more humid compared to April. The minimum temperature in May is 15°C (60°F), rising to an average of 27°C (81°F) and peaking at 36°C (97°F), while April experiences slightly cooler temperatures, with a minimum of 12°C (54°F), an average of 23°C (74°F), and a maximum of 34°C (93°F). In terms of precipitation, May sees a significant increase with 222 mm (8.7 in) of rain over 20 days, compared to April’s 148 mm (5.8 in) over 14 days. The humidity also rises in May, averaging at 79%, compared to 71% in April. For more detailed information, you can check Guangzhou weather in April.
May and June present contrasting yet somewhat similar weather patterns. In May, temperatures range from a minimum of 15°C (60°F) to a maximum of 36°C (97°F), with an average temperature of 27°C (81°F). The month experiences significant rainfall, totaling 222 mm (8.7 in) over approximately 20 days, contributing to a high humidity level of 79%. Conversely, June brings warmer nights with a minimum temperature of 23°C (74°F) and an average of 29°C (85°F), while still reaching a peak of 36°C (98°F). However, it also sees increased rainfall, totaling 361 mm (14.2 in) across 23 days, along with slightly lower humidity at 77%. For more details on the climate, you can visit Guangzhou weather in June.
In comparing the weather of May and July, it is evident that July tends to be hotter and more humid. May experiences a range of temperatures with a minimum of 15°C (60°F) and an average of 27°C (81°F), while July sees a higher minimum of 25°C (77°F) and an average temperature of 30°C (86°F). Additionally, July boasts a top temperature that can reach 38°C (100°F), compared to May's maximum of 36°C (97°F).
While May has higher precipitation at 222 mm (8.7 in) over 20 days, July has slightly less precipitation at 188 mm (7.4 in) but experiences more rainy days, totaling 22. The humidity also rises in July to 88%, compared to May's 79%. For a more detailed overview of July weather conditions, check out Guangzhou weather in July.
In comparison to May, August experiences higher minimum temperatures, with lows around 25°C (77°F) compared to May's 15°C (60°F). The average temperature also rises slightly, peaking at 29°C (85°F) in August versus 27°C (81°F) in May. However, August is marked by increased humidity at 88%, compared to May's 79%, as well as more frequent rainfall, averaging 292 mm (11.5 in) over 24 days compared to May's 222 mm (8.7 in) over 20 days. Overall, while both months are warm and humid, August tends to be hotter and wetter. For more details, check out Guangzhou weather in August.
May and September both experience warm temperatures, though May tends to start off with slightly milder lows at a minimum of 15°C (60°F) compared to September's minimum of 21°C (70°F). Both months share similar maximum temperatures, reaching up to 36°C (97°F), but September has a warmer average temperature of 29°C (84°F) compared to May's average of 27°C (81°F). Precipitation levels are quite comparable, with May receiving 222 mm (8.7 in) over 20 days and September seeing slightly less at 199 mm (7.8 in) over 21 days. Humidity is also marginally lower in September at 75%, compared to May's higher humidity of 79%. For more details, check out Guangzhou weather in September.
When comparing the weather in May and October, it's clear that both months exhibit warm temperatures, yet they differ significantly in other aspects. May typically boasts higher temperatures, with average highs reaching up to 36°C (97°F) and an average humidity of 79%. In contrast, October offers slightly cooler peaks, averaging a maximum of 35°C (95°F) but with less humidity at 65%. Precipitation is another stark contrast; May is quite wet with over 222 mm (8.7 in) of rain falling over 20 days, while October sees only about 97 mm (3.8 in) over just 9 days. For more specific details about October weather, you can check Guangzhou weather in October.
May and November exhibit distinct differences in weather patterns. In May, temperatures range from a minimum of 15°C (60°F) to a maximum of 36°C (97°F), with an average of 27°C (81°F). This month is characterized by considerable rainfall, accumulating 222 mm (8.7 in) over about 20 days, and high humidity levels averaging 79%. In contrast, November experiences cooler temperatures, ranging from a minimum of 12°C (53°F) to a maximum of 31°C (88°F), with an average temperature of 22°C (71°F). Precipitation drops significantly to just 21 mm (0.8 in) over 5 days, and humidity decreases to 64%. For more details, you can visit Guangzhou weather in November.
May and December offer contrasting weather patterns. In May, temperatures range from a mild 15°C (60°F) to a scorching 36°C (97°F), with an average of 27°C (81°F). This month is also quite wet, with 222 mm (8.7 inches) of precipitation spread over 20 days and high humidity at 79%. In stark contrast, December experiences cooler temperatures, with lows of 7°C (45°F) and highs reaching 29°C (85°F), averaging around 17°C (63°F). This month is significantly drier, receiving only 19 mm (0.7 inches) of precipitation over just 3 days and lower humidity at 69%. For more details, you can explore the Guangzhou weather in December.
As spring transitions into summer, May in Guangzhou brings a noticeable shift in weather dynamics compared to the preceding months. The warmth of the season becomes more pronounced, with maximum temperatures climbing significantly, making it one of the warmest months of the year. While average temperatures remain pleasant, the increased humidity and frequent rainfall can create a tropical, sometimes muggy, atmosphere. With about 20 rainy days, May is also one of the wettest months, often leading to lush landscapes but requiring visitors and residents alike to prepare for sudden downpours. If you're interested in a more detailed overview of the weather patterns, check out the full Guangzhou Climate page.