May Weather in Changsa, China

Last updated: August 21, 2025

May in Changsha, China, welcomes the warmth of spring with maximum temperatures soaring to 32°C (91°F) and an average of 28°C (82°F). While residents enjoy the pleasant heat, they should prepare for the humidity, which lingers at a notable 81%. This month sees a fair share of precipitation, with 106 mm (4.2 in) of rain spread over approximately 15 days, inviting lush greenery and vibrant blooms. Battling the balmy conditions, it's a time when umbrella and sunglasses become essential companions for both locals and visitors.

May Temperature in Changsa

In May, Changsha, China, begins to embrace the warmth of spring, with temperatures reflecting a noticeable upward trend as the month progresses into summer. The minimum temperatures rise to a comfortable 22°C (71°F), while average highs climb to invigorating 28°C (82°F), peaking at 32°C (91°F) on the hottest days. This warm embrace encourages outdoor activities and the blooming of vibrant flora throughout the city, creating an inviting atmosphere. As the month comes to a close, residents and visitors alike can enjoy longer, sunnier days, making May a delightful time to explore the rich culture and picturesque surroundings of Changsha.

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

The chart illustrates May temperature patterns in Changsa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Changsa, 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).
JanFebMarAprMayJunJulAugSepOctNovDec696974778284848383807671
Data source: Temperature data for Changsa 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 Changsa

In May, Changsha experiences a notable increase in precipitation, with 106 mm (4.2 in) of rain spread over 15 days. This slight rise from April's 103 mm (4.0 in) marks the start of a wetter season, culminating in even heavier rainfall as summer approaches. As the month progresses, the city transitions from the more moderate spring showers to the lush, verdant landscapes typically associated with the onset of the rainy season. This trend signifies a shift not only in weather patterns but also in the vibrant environment of Changsha, suggesting that outdoor activities may be tempered by the frequent rain. The steady increase in precipitation foreshadows even more substantial rainfall in the following months, emphasizing the dramatic impact of seasonal changes in this region.

May Precipitation Trends in Changsa

The chart displays monthly precipitation patterns in Changsa, 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 Changsa, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3942351031061371692421842586264
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Changsa

In Changsha, China, May marks a noticeable uptick in humidity, reaching 81%, a slight rise from the previous month. This trend of increasing moisture begins in the early spring months, with humidity steadily climbing from 74% in January to 80% in April. As summer approaches, May sets the stage for a sultry season ahead, with humidity levels peaking during the hotter months of July and August. This gradual increase highlights the region's transition from a cooler, drier spring into the warmer, more humid summer, creating an environment that feels increasingly tropical as the year progresses.

May Average Humidity in Changsa

This chart illustrates the average monthly humidity levels in Changsa, 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 Changsa is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%75%79%80%81%82%87%86%82%82%80%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Changsa

As May rolls around in Changsa, China, the UV Index reaches 14, categorized as extreme, indicating an urgent need for sun protection. This upward trend in UV levels is consistent with the previous months, where the index has steadily heightened since February. With a burn time of just 10 minutes, nature's radiant energy underscores the importance of vigilance against sun exposure. May's harsh UV conditions mirror the intensity observed in the surrounding months, particularly in March and April, both featuring a UV Index of 13. As summer approaches, people should remain proactive in their sun care routines—check out more about the year's UV fluctuations at Changsa UV Index.

Maximum UV Index Levels in Changsa for May

The chart shows the monthly maximum UV Index (UVI) for Changsa 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 Changsa typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131314131413131298
Data source: Changsa 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 Changsa

As spring transitions into summer in Changsha, China, May brings an impressive 322 hours of sunshine, marking one of the sunniest months of the year. This notable increase from April's 294 hours reflects a broader trend of growing sunlight as the seasons shift. Following a gradual ascent through the earlier months—with January starting at a modest 199 hours and February showing a healthy increase—May’s radiant days pave the way for an even brighter June and July. With shining moments peaking at 330 hours in July, Changsha basks in the warmth and allure of summer, making it a perfect time for outdoor adventures and enjoying the vibrant landscapes. As the sunshine gradually begins to taper off in the latter part of the year, May stands out as a golden highlight, encapsulating the beauty of the season.

Monthly Sunshine Duration in Changsa: May Highlighted

The May sunshine duration represents the total number of hours Changsa 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.
JanFebMarAprMayJunJulAugSepOctNovDec199h259h299h294h322h312h330h304h301h285h256h228h
Data source: Changsa May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Changsa During May

In May, Changsha, China, offers a moderate chance of sunny weather at 48%, positioning itself in the middle range compared to the year's other months. As spring makes way for summer, this figure represents a slight decrease from April's 54%, hinting at a trend where sunny days begin to dwindle in the face of the approaching rainy season. February stands out with a notable 65%, showcasing the region's early-year brightness, while the summer months of June, July, and August see a sharp decline, dipping to 16%, 34%, and 22% respectively. This trend paints a picture of May as a transitional month, where warm days can still be enjoyed before the heavy rains set in.

Percentage of Sunny Days in May in Changsa

The chart illustrates the percentage of sunny days in Changsa 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 Changsa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec42%65%52%54%48%16%34%22%40%23%47%32%
Data source: Changsa May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Changsa in May

As the seasons transition in Changsa, China, the duration of daylight reveals a captivating rhythm. Starting from January with 11 hours of light, the days gradually lengthen, reaching a peak of 13 hours by May. This trend continues throughout the summer months of June and July, offering the longest days of the year, perfect for outdoor activities and enjoying nature. However, as autumn approaches in August, the daylight begins to recede, settling back to 12 hours before tapering to 11 hours in October and November. By December, the year closes with only 10 hours of daylight, signifying a return to the shorter days of winter. This ebb and flow of daylight not only marks the changing seasons but also enriches the cultural tapestry of the region, inviting both locals and visitors to embrace the light and darkness in equal measure.

Average Daylight Hours in Changsa for May

The chart illustrates the variation in daylight duration in Changsa throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 4m11h 29m12h 1m12h 35m13h 3m13h 17m13h 10m12h 45m12h 13m11h 40m11h 11m10h 57m
Data source: Changsa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Changsa

In May, Changsa experiences a refreshing breeze with an average wind speed of 5.6 m/s (13 mph), making it one of the more favorable months for outdoor activities. This gentle wind follows a pattern where the spring months show a slight increase in speed, from 4.2 m/s in February to 5.3 m/s in March and culminating in May's inviting gusts. As the city transitions into the hotter months of summer, there’s a noticeable dip to 3.8 m/s (8 mph) in July, suggesting a calmer atmosphere that can be quite soothing during the warm days. Interestingly, this trend shifts again in the fall, with wind speeds rising significantly in October to an invigorating 7.5 m/s (17 mph). Overall, May serves as a delightful point in the yearly wind cycle, balancing gentle breezes with the promise of warmer weather ahead.

Average May Wind Speed in Changsa

The chart displays monthly wind speed patterns in Changsa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.84.25.34.75.6 m/s5.33.84.63.77.56.37.3
Data source: Changsa May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Changsa Compares to Other Months

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

In May, the weather is considerably warmer, with average temperatures ranging from a minimum of 22°C (71°F) to a maximum of 32°C (91°F), while January experiences cooler conditions with temperatures between 12°C (54°F) and 26°C (79°F). May also sees higher humidity levels at 81% compared to January's 74%, making it feel more tropical. Precipitation is more frequent in May, with about 106 mm (4.2 in) over 15 days, while January has a milder 39 mm (1.5 in) spread over 10 days. For a more detailed comparison of January weather, visit Changsa weather in January.

May and February present distinctly contrasting weather conditions. In May, temperatures soar with a minimum of 22°C (71°F) and an average of 28°C (82°F), peaking at 32°C (91°F). This month also sees significant rainfall, totaling 106 mm (4.2 in) over 15 days, accompanied by high humidity levels of 81%. Conversely, February enjoys milder temperatures, with a minimum of 13°C (55°F) and an average of 21°C (69°F), reaching a maximum of 27°C (81°F). Precipitation is considerably lower, at 42 mm (1.7 in) over just 10 days, and humidity is slightly less at 75%. For a more detailed look at February weather, check out Changsa weather in February.

In comparing the weather patterns of March and May, May generally presents warmer conditions, with average temperatures reaching 28°C (82°F) compared to March's 24°C (75°F). The maximum temperature in May can soar to 32°C (91°F), whereas in March, it peaks at 29°C (84°F). Additionally, May experiences significantly higher precipitation, with 106 mm (4.2 in) falling over 15 days, in contrast to March’s 35 mm (1.4 in) spread over just 9 days. Both months showcase high humidity levels, with May slightly higher at 81% compared to March’s 78%. For more details on March weather, you can visit Changsa weather in March.

May tends to be warmer and slightly more humid than April, with average temperatures rising from 25°C (78°F) in April to 28°C (82°F) in May. The maximum temperature in May reaches up to 32°C (91°F), compared to April's peak of 30°C (87°F). Although both months experience similar levels of precipitation—106 mm (4.2 in) in May and 103 mm (4.0 in) in April—May sees a bit more rainfall spread over more days, with 15 rainy days compared to 12 in April. Furthermore, May's humidity is marginally higher at 81%, compared to April's 80%. For more details on the weather patterns in April, you can check the link: Changsa weather in April.

In comparing the weather of May and June, we see that both months have similar humidity levels of 81%, contributing to a warm and muggy atmosphere. May typically experiences a temperature range from a minimum of 22°C (71°F) to a maximum of 32°C (91°F), with an average of 28°C (82°F). It also has a rainfall total of 106 mm (4.2 in) over approximately 15 days. In contrast, June brings slightly warmer temperatures, with a minimum of 26°C (79°F) and a maximum of 33°C (92°F), while the average temperature sits at 29°C (85°F). Additionally, June is characterized by increased precipitation, totaling 137 mm (5.4 in) still over 15 days. For those interested in more detailed weather statistics, you can check Changsa weather in June.

In May, the weather features mild temperatures, with a minimum of 22°C (71°F) and an average of 28°C (82°F), peaking at 32°C (91°F). The month experiences significant rainfall, totaling 106 mm (4.2 inches) over 15 days, accompanied by a humidity level of 81%. In contrast, July sees warmer conditions, with minimum temperatures rising to 26°C (79°F) and an average high of 33°C (91°F). Precipitation also increases to 169 mm (6.7 inches) over 17 days, leading to higher humidity levels at 87%. The overall climate in July is thus warmer and wetter compared to May, making it a more humid and rain-prone month. For more details, you can refer to Changsa weather in July.

In comparing the weather between May and August, it's evident that both months are warm, but August experiences slightly higher temperatures, with a minimum of 26°C (79°F) and an average of 29°C (84°F). Meanwhile, May starts off cooler with a minimum temperature of 22°C (71°F) and an average of 28°C (82°F). Precipitation is significantly higher in August, totaling 242 mm (9.5 in) over 22 days, compared to May's 106 mm (4.2 in) over 15 days. Additionally, humidity levels rise from 81% in May to 86% in August, contributing to a more muggy atmosphere during the latter month. For more detailed weather information, visit Changsa weather in August.

In May, the weather features warm temperatures with a minimum of 22°C (71°F), an average of 28°C (82°F), and a maximum of 32°C (91°F). However, it also brings significant rainfall, with an average precipitation of 106 mm (4.2 in) over approximately 15 days, accompanied by high humidity levels of 81%.

In contrast, September offers slightly higher minimum temperatures starting at 25°C (78°F) and maintains an average of 28°C (83°F), with a maximum of 32°C (89°F). However, it experiences more rainfall, with total precipitation reaching 184 mm (7.2 in) over about 20 days, and the humidity remains similar at 82%. For more detailed insights, you can check Changsa weather in September.

May and October showcase relatively similar temperatures, with May experiencing an average of 28°C (82°F) compared to October's average of 27°C (80°F). However, October tends to be wetter, receiving significantly more precipitation at 258 mm (10.1 in) over 19 days, while May sees 106 mm (4.2 in) across 15 days. Both months maintain high humidity levels at 81%, making the air feel consistently warm and muggy. For more detailed information, you can check Changsa weather in October.

May and November present different weather experiences, with May being notably warmer and wetter. In May, temperatures typically range from a minimum of 22°C (71°F) to a maximum of 32°C (91°F), with an average of 28°C (82°F). The month sees substantial precipitation, with around 106 mm (4.2 in) over 15 days, and humidity levels are high at 81%.

In contrast, November is slightly cooler, with temperatures spanning from a minimum of 20°C (68°F) to a maximum of 28°C (82°F), and an average of 25°C (76°F). Precipitation decreases to 62 mm (2.4 in) over 12 days, and humidity remains similar at 80%. For more detailed insights about the weather in November, you can check Changsa weather in November.

May and December present contrasting weather patterns. In May, temperatures range from a minimum of 22°C (71°F) to a maximum of 32°C (91°F), with an average of 28°C (82°F). The month experiences significant rainfall, totaling 106 mm (4.2 in) over about 15 days, coupled with high humidity levels of 81%. In contrast, December offers cooler temperatures, with a minimum of 15°C (60°F) and a maximum of 26°C (80°F), averaging at 21°C (71°F). Precipitation is lower at 64 mm (2.5 in) across 13 days, and humidity remains relatively steady at 79%. For more details on December weather in Changsa, you can check Changsa weather in December.

Compare Changsa's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Changsa

As May arrives in Changsa, temperatures begin to rise, presenting a delightful shift from the cooler spring months. With an average high of 28°C and a noticeable increase in humidity, outdoor activities become more enjoyable, albeit with the occasional summer downpour. This month sees about 15 days of rainfall, contributing to a lush landscape that contrasts beautifully with the vibrant warmth. For those looking to plan their visit, understanding the nuances of May's weather is crucial—particularly as it transitions into the warmer summer months. For more insights on how this month compares to others, check out Changsa Climate.