May Weather in Changsha, China

Last updated: August 21, 2025

May in Changsha, China offers a vibrant mix of warm temperatures and significant precipitation, making it a month filled with contrasts. Expect maximum temperatures soaring up to 35°C (94°F), while the average hovers around a comfortable 23°C (74°F), providing ideal conditions for outdoor explorations. However, be prepared for frequent rainfall, with total precipitation reaching 232 mm (9.1 in) across 17 days. Humidity levels remain high at 85%, creating a tropical atmosphere that can feel quite muggy. Whether you’re enjoying the lush scenery or attending local festivities, dressing for the weather will ensure an enjoyable experience in this dynamic city.

May Temperature in Changsha

In May, Changsha, China, experiences a delightful transition towards the warmth of summer. With temperatures ranging from a minimum of 12°C (54°F) to a maximum of 35°C (94°F), the average temperature rises to a comfortable 23°C (74°F), making it one of the most pleasant months of the year. This month showcases a significant jump from April, reflecting a consistent upward trend as the region moves away from the cooler spring days. May’s warmth invites locals and visitors alike to enjoy outdoor activities, as blooming flora adds vibrancy to the cityscape. As the month progresses, you can expect increasingly sunny days, setting the stage for the upcoming heat of June.

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

The chart illustrates May temperature patterns in Changsha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Changsha, 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).
JanFebMarAprMayJunJulAugSepOctNovDec434757657380858679675847
Data source: Temperature data for Changsha 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 Changsha

May in Changsha, China, is characterized by its elevated precipitation, with 232 mm (9.1 in) of rain falling over 17 days. This marks a significant peak following the wet months of March and April, indicating that spring transitions into early summer with vigor. The steady increase in rainfall from January's 67 mm (2.6 in) to May's high suggests a trend towards a more humid climate, setting the stage for June’s even heavier rains. This pattern highlights a dynamic shift where Changsha experiences a bustling, rainy backdrop as nature awakens, creating a vibrant and lush environment. With rainfall beginning to taper in the summer months, May serves as a climactic point in the province's annual precipitation cycle, enriching the landscape before the drier days of August.

May Precipitation Trends in Changsha

The chart displays monthly precipitation patterns in Changsha, 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 Changsha, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec67952131872322602049975535652
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Changsha

In Changsha, China, May marks the transition into the summer season, characterized by a humidity level of 85%. This figure reflects a slight decrease from April's peak at 86%, suggesting a brief respite before the humidity climbs higher in the coming months. As the city moves into June and July, humidity levels rise, peaking at 89% in July. This pattern reveals a seasonal trend where spring brings increasingly humid conditions, culminating in a muggy summer that can influence both weather comfort and outdoor activities. After the summer months, humidity begins to dip again in September, highlighting the cyclical nature of Changsha's climate throughout the year.

May Average Humidity in Changsha

This chart illustrates the average monthly humidity levels in Changsha, 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 Changsha is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec69%71%83%86%85%86%89%85%66%68%77%78%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Changsha

In May, Changsha experiences one of the highest UV Index levels of the year, reaching an extreme value of 11. This signifies a notable increase from the previous months, where the UV Index progressively escalated from 6 in January to 10 in April. Consequently, the burn time significantly reduces to just 10 minutes, urging residents and visitors to take extra precautions against sun exposure. As summer approaches, maintaining awareness of the sun's intensity becomes crucial, as June and July see similar extreme levels. For more insights on UV levels and safe practices, visit the Changsha UV Index.

Maximum UV Index Levels in Changsha for May

The chart shows the monthly maximum UV Index (UVI) for Changsha 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 Changsha typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec678101111121210975
Data source: Changsha 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 Changsha

In Changsha, China, the month of May is a vibrant milestone in the yearly cycle of sunshine hours, boasting an impressive 261 hours of sunlight. This surge of brightness marks a remarkable transition from the milder winter months, like January with only 140 hours, to the sunny splendor of summer. By comparing the gradual increase from January's modest 140 hours to April's blossoming 204 hours, it becomes clear that May’s sunshine serves as the opening act for the long, luminous days of summer. June and July follow close behind, maintaining a high average with 260 and 300 hours respectively, showcasing Changsha as a city wrapped in warmth. As summer wanes into September, there’s a notable drop in sunshine hours, yet May remains a standout, heralding the season of growth and vitality that defines this beautiful Chinese city.

Monthly Sunshine Duration in Changsha: May Highlighted

The May sunshine duration represents the total number of hours Changsha 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.
JanFebMarAprMayJunJulAugSepOctNovDec140h183h191h204h261h260h300h314h253h198h188h188h
Data source: Changsha May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Changsha During May

As May arrives in Changsha, China, the chances of enjoying sunny weather are moderately appealing, with a 23% likelihood of clear skies. This figure is a slight uptick from the preceding months like April, which saw a mere 11%, but still falls short of the more promising summer months ahead. A notable trend emerges as the year progresses; while January boasts a respectable 51%, sunlight quickly declines through March, hitting its lowest in April, before showing a slight recovery in May. Interestingly, the sun's chances climb significantly through the summer, particularly in July and September, making those months far more attractive for sun-seekers. Thus, while May presents an opportunity for fair weather, it's just the precursor to a truly radiant summer in Changsha.

Percentage of Sunny Days in May in Changsha

The chart illustrates the percentage of sunny days in Changsha 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 Changsha experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec51%36%20%11%23%19%37%33%61%32%51%56%
Data source: Changsha May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Changsha in May

In Changsha, China, daylight duration gradually increases as spring approaches, peaking in May with an invigorating 13 hours of daylight. This month marks a significant transition, as the city enjoys longer, sunlit days that herald the arrival of summer. Following May, daylight remains consistent at 13 hours during June, July, and August, providing ample opportunity for outdoor activities and exploration. As autumn sets in, daylight begins to wane, dropping back to 12 hours in September and further reducing to 11 hours by October. The cycle continues, with the sun setting earlier in the winter months, as daylight settles back to 10 hours in both November and December. This rhythmic variation enriches the ambiance of Changsha throughout the year, reflecting the natural ebb and flow of daylight.

Average Daylight Hours in Changsha for May

The chart illustrates the variation in daylight duration in Changsha throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 33m11h 11m11h 59m12h 50m13h 32m13h 53m13h 42m13h 5m12h 17m11h 27m10h 44m10h 22m
Data source: Changsha daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Changsha

As May arrives in Changsha, the average wind speed settles at a refreshing 2.5 m/s (6 mph), maintaining a pleasant breeze that hints at the changing seasons. This month exhibits a slight uptick compared to the preceding months, where winds had dipped to their lowest in February at 2.3 m/s (5 mph). The trend shows that May’s winds are generally consistent with the early spring months, offering just enough strength to invigorate outdoor activities without overwhelming the warmth of late spring. Interestingly, as the year progresses, wind speeds do gradually start to rise, peaking in October with 3.4 m/s (8 mph), suggesting a dynamic shift as cooler autumn air begins to roll in. Overall, May serves as a bridge between the gentle breezes of spring and the more robust winds of late autumn, making it an ideal time to enjoy the fresh air of Changsha.

Average May Wind Speed in Changsha

The chart displays monthly wind speed patterns in Changsha, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.72.32.72.42.5 m/s2.42.62.22.43.42.32.4
Data source: Changsha May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Changsha Compares to Other Months

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

May and January present stark contrasts in weather conditions. In May, temperatures range from a minimum of 12°C (54°F) to a maximum of 35°C (94°F), with an average of 23°C (74°F). This month is characterized by high humidity at 85% and significant precipitation, receiving 232 mm (9.1 in) over about 17 days. In contrast, January experiences much cooler temperatures, with a minimum of -5°C (24°F) and a maximum of 20°C (68°F), averaging only 6°C (44°F). January also sees lower precipitation totals of 67 mm (2.6 in) over 9 days, accompanied by a lower humidity of 69%. For more detailed insights on January weather, check out Changsha weather in January.

In comparing the weather between May and February, it is clear that May offers a significantly warmer climate with average temperatures reaching up to 23°C (74°F) and maximum highs of 35°C (94°F), compared to February's average of 9°C (48°F) and highs of 26°C (79°F). Humidity levels are higher in May at 85%, contributing to a feeling of warmth despite the increased precipitation of 232 mm (9.1 in) over 17 days. In contrast, February sees lower humidity at 71% with much less rainfall, totaling 95 mm (3.7 in) over 12 days. For more specific insights on February weather, you can visit Changsha weather in February.

May weather in Changsha is notably warmer than in March, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 35°C (94°F), compared to March's cooler range of 4°C (40°F) to 31°C (88°F). While both months experience significant precipitation, May slightly edges out March with 232 mm (9.1 in) over 17 days, compared to March's 213 mm (8.4 in) over 19 days. The humidity remains relatively high in both months, with May at 85% and March at 83%, making for a consistently damp atmosphere. For more detailed information, check out Changsha weather in March.

In comparing the weather between April and May, May experiences warmer temperatures, with averages reaching 23°C (74°F) compared to April's 18°C (65°F). However, May also sees a significant increase in precipitation, totaling 232 mm (9.1 in) over 17 days, whereas April recorded 187 mm (7.3 in) across 16 days. While both months maintain high humidity levels, May's 85% is slightly lower than April's 86%. For more detailed information on April weather, you can check Changsha weather in April.

May and June offer a gradual transition in weather patterns, particularly in temperature and precipitation levels. In May, temperatures range from a minimum of 12°C (54°F) to a maximum of 35°C (94°F), with an average of 23°C (74°F). The month experiences significant rainfall with 232 mm (9.1 in) spread over 17 days, paired with high humidity at 85%.

In contrast, June sees warmer conditions, with minimum temperatures increasing to 17°C (63°F) and average temperatures rising to 26°C (80°F). The maximum temperature remains consistent with May at 35°C (96°F). However, June records higher precipitation levels at 260 mm (10.2 in), occurring over 18 days, while maintaining the same humidity percentage of 85%. This shift illustrates how June feels warmer on average despite comparable maximum temperatures. For further details, you can check Changsha weather in June.

In May, temperatures in Changsha range from a minimum of 12°C (54°F) to a maximum of 35°C (94°F), with an average temperature of 23°C (74°F). The month experiences considerable rainfall, with 232 mm (9.1 in) over 17 days, alongside a high humidity level of 85%. In contrast, July sees warmer conditions, with a minimum temperature of 21°C (69°F) and a maximum of 39°C (103°F), resulting in an average of 29°C (85°F). Although July has slightly less precipitation at 204 mm (8.0 in) over just 13 days, the humidity rises slightly to 89%. For more detailed insights into the July weather conditions, you can view Changsha weather in July.

In May, the weather features a wide range of temperatures, with averages around 23°C (74°F) and daytime highs reaching up to 35°C (94°F). This month is characterized by significant rainfall, with 232 mm (9.1 in) of precipitation falling over 17 days, while humidity remains high at 85%.

In contrast, August presents warmer conditions, with a minimum temperature of 22°C (71°F) and average highs around 30°C (86°F), peaking at 39°C (102°F). Despite the heat, August experiences much less precipitation, totaling 99 mm (3.9 in) over 12 days, while humidity remains consistent at 85%. For more detailed insights on August weather, visit Changsha weather in August.

In comparing the weather of May and September, it becomes clear that September generally offers warmer temperatures, with an average of 26°C (80°F) compared to May's 23°C (74°F). May is characterized by higher humidity (85%) and significantly more rainfall, receiving 232 mm (9.1 in) over 17 days, while September has much less precipitation at 75 mm (3.0 in) over just 10 days, making it drier and more comfortable. Additionally, the maximum temperature in September can reach up to 39°C (102°F), exceeding May's peak of 35°C (94°F). For more specific details about September weather, check out Changsha weather in September.

When comparing the weather in May and October, notable differences emerge in temperature, humidity, and precipitation levels. In May, temperatures range from a minimum of 12°C (54°F) to a maximum of 35°C (94°F), with an average of 23°C (74°F) along with high humidity levels of 85%. This month also sees considerable rainfall, with 232 mm (9.1 in) of precipitation over 17 days. In contrast, October experiences milder temperatures, with a minimum of 11°C (52°F), an average of 19°C (67°F), and a peak of 38°C (100°F). The month is significantly drier, receiving only 53 mm (2.1 in) of precipitation over 10 days and lower humidity at 68%. For more detailed information about October weather, you can visit Changsha weather in October.

May and November present strikingly different weather patterns. In May, temperatures range widely from a minimum of 12°C (54°F) to a scorching maximum of 35°C (94°F), with an average of 23°C (74°F). The month is characterized by high humidity at 85% and significant rainfall, totaling 232 mm (9.1 in) over 17 days. In contrast, November brings cooler temperatures, with a minimum of 5°C (41°F) and an average of 14°C (58°F), peaking at 30°C (85°F). Precipitation in November is much lower, at 56 mm (2.2 in) over just 9 days, and the humidity decreases slightly to 77%. For more detailed insights on the weather in November, you can check Changsha weather in November.

May and December present strikingly different weather patterns. In May, temperatures are warm with a minimum of 12°C (54°F) and an average of 23°C (74°F), peaking at 35°C (94°F). This month also sees significant rainfall, accumulating 232 mm (9.1 in) over approximately 17 days, coupled with high humidity at 85%. In contrast, December is much cooler, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 20°C (68°F), and an average of just 8°C (47°F). Precipitation is also lower during this month, totaling only 52 mm (2.0 in) across 8 days and featuring a slightly lesser humidity level at 78%. For more about December's climate, you can check Changsha weather in December.

Compare Changsha's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Changsha

As May unfolds in Changsha, the weather transitions into a balmy embrace, distinguishing itself from the cooler months that precede it. With average temperatures soaring to a comfortable 23°C, this month heralds the arrival of warmth, although the mercury can peak dramatically at 35°C. Humidity levels climb to a notable 85%, adding a tropical touch to the air, while the city experiences a fair share of rainfall across 17 days, accumulating around 232 mm. This juxtaposition of warmth and precipitation makes May a month of vibrant growth and rich experiences, setting the stage for the sultry summer ahead. Discover more about the nuances of Changsha's seasonal patterns at Changsha Climate.