May Weather in Jiujiang, China

Last updated: August 21, 2025

In Jiujiang, China, the weather in May presents a vibrant mix of warmth and humidity. The maximum temperatures can reach a balmy 32°C (91°F), while the comforting average hovers around 20°C (68°F). Nights can be a refreshing contrast, dipping to a minimum of 9°C (48°F). Rainfall is a significant feature this month, with a substantial 292 mm (11.5 in) recorded over 20 days, contributing to the region's lush greenery. Humidity levels soar to an average of 86%, creating a tropical feel that envelops the landscape. Whether you’re exploring the city or enjoying nature, May in Jiujiang promises a dynamic and vibrant experience.

May Temperature in Jiujiang

In May, Jiujiang experiences a delightful transition into warmer weather, with minimum temperatures rising to 9°C (48°F) and averages hitting a pleasant 20°C (68°F). This month bids farewell to the lingering chill of spring, as maximum temperatures reach a sunny 32°C (91°F), making it an ideal time for outdoor activities. As the days grow longer and the weather becomes more inviting, locals and visitors alike begin to enjoy the lush landscapes and vibrant blooms that characterize this beautiful region. The substantial increase in temperatures highlights May as a stepping stone into the sweltering summer months ahead, setting the stage for the region's dynamic climate.

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

The chart illustrates May temperature patterns in Jiujiang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jiujiang, 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).
JanFebMarAprMayJunJulAugSepOctNovDec394352606874797972615243
Data source: Temperature data for Jiujiang 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 Jiujiang

May marks a significant peak in precipitation for Jiujiang, China, as the city receives a substantial 292 mm (11.5 in) of rainfall over 20 days. This surge represents a remarkable increase from the previous months, notably following April's 175 mm (6.9 in). The trend of consistent rainfall continues into June, although a slight decrease is observed as the skies still deliver an impressive 281 mm (11.1 in). This pattern highlights May as a pivotal month where the transition to the wet season is unmistakably felt, immersing the region in lush greenery and vibrant ecosystems, while also setting the stage for the rainfall that sustains Jiujiang's agricultural vitality in the months to follow.

May Precipitation Trends in Jiujiang

The chart displays monthly precipitation patterns in Jiujiang, 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 Jiujiang, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec67961731752922812112031841028753
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Jiujiang

In Jiujiang, China, the month of May marks a notable peak in humidity, reaching 86%, which is among the highest levels recorded throughout the year. As spring transitions into summer, the humidity rises gradually, beginning at 67% in January and climbing steadily, with March and April showcasing a significant increase. This month’s high humidity typically signals the impending heat of summer, setting the stage for July’s even greater levels of 88%. Interestingly, while May is characterized by its dampness, the surrounding months exhibit a clear pattern of humidity fluctuations, with a general uptick from late winter through mid-summer before gradually declining in the fall months. This trend paints a vivid picture of Jiujiang’s climate, where humidity plays a critical role in shaping the experience of each season.

May Average Humidity in Jiujiang

This chart illustrates the average monthly humidity levels in Jiujiang, 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 Jiujiang is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%73%84%82%86%86%88%85%71%74%85%75%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Jiujiang

In May, Jiujiang, China, experiences one of its highest UV Index levels, soaring to 12, categorized as extreme. This marks a continuation of the intense sun exposure trend that began in April and will persist into the following months. With a burn time of just 10 minutes, it's crucial to take protective measures when outdoors, especially as the summer approaches. This month not only highlights the increased risk of UV exposure but also signifies a seasonal peak in sun intensity that extends into June and July, further emphasizing the importance of sun safety. For more details, visit Jiujiang UV Index.

Maximum UV Index Levels in Jiujiang for May

The chart shows the monthly maximum UV Index (UVI) for Jiujiang 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 Jiujiang typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec689111212131211975
Data source: Jiujiang 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 Jiujiang

In Jiujiang, China, May emerges as a radiant gem in the annual sunshine calendar, boasting an impressive 235 hours of sunlight that marks a significant leap from the previous months. This month embodies the transition into the summer season, reflecting a gradual increase in sunlight that starts with 113 hours in January and steadily climbs through the months. The consistent rise in sunshine hours peaking in June at 243 hours is a delightful indication of the region's warm embrace as summer approaches. With each passing month, from 165 hours in March to a dazzling 302 hours in August, the sunshine not only illuminates the landscape but also invigorates the spirit of the people. This trend suggests a vibrant summer ahead, inviting visitors and locals alike to bask in the bright, cheerful days that Jiujiang has to offer.

Monthly Sunshine Duration in Jiujiang: May Highlighted

The May sunshine duration represents the total number of hours Jiujiang 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.
JanFebMarAprMayJunJulAugSepOctNovDec113h152h165h179h235h243h289h302h212h162h162h156h
Data source: Jiujiang May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jiujiang During May

In Jiujiang, China, the likelihood of sunny weather in May is relatively modest at 19%, reflecting a trend seen in the spring months where sunshine becomes increasingly scarce. Comparing this to earlier months, April hits a low point with just 9%, while March’s chances dwindle to 15%. Interestingly, the onset of summer shows a slight uptick in sunshine probabilities, peaking in September at 51%. This gradual increase after May suggests that while spring may be less than ideal for sun-seekers, the transition to warmer months opens up brighter skies, making late summer and early autumn more favorable for sunshine enthusiasts.

Percentage of Sunny Days in May in Jiujiang

The chart illustrates the percentage of sunny days in Jiujiang 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 Jiujiang experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec41%25%15%9%19%15%24%26%51%26%34%41%
Data source: Jiujiang May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jiujiang in May

As spring gives way to summer, May in Jiujiang, China heralds a peak in daylight, offering an inviting 13 hours of sunshine. This vibrant month marks a notable transition from the shorter days of winter, which start at just 10 hours in January, gradually lengthening as the year progresses. The trend continues upward with 11 hours in February and March, culminating in April's 12 hours before reaching its zenith in May. Following this blossoming month, daylight remains consistent at 13 hours through the summer months of June, July, and August. However, as autumn approaches, the daylight begins to taper off once more, reflecting a natural cycle that beautifully balances light and dark throughout the year.

Average Daylight Hours in Jiujiang for May

The chart illustrates the variation in daylight duration in Jiujiang 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 10m11h 59m12h 50m13h 32m13h 53m13h 42m13h 6m12h 17m11h 27m10h 44m10h 22m
Data source: Jiujiang daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Jiujiang

In Jiujiang, China, May brings a gentle consistency in wind patterns, with an average wind speed lingering at 1.8 m/s (4 mph). This steady breeze mirrors the wind conditions seen in the preceding months of January through April, creating a serene atmosphere ideal for outdoor activities. As spring transitions to summer, the wind speeds begin to pick up, hinting at a gradual shift in the weather. Interestingly, the most noticeable increases occur later in the year, particularly in July and October, where winds reach around 2.1 m/s (5 mph). Overall, May's mild winds perfectly encapsulate the transitional essence of spring, setting the stage for the breezier months ahead.

Average May Wind Speed in Jiujiang

The chart displays monthly wind speed patterns in Jiujiang, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.81.71.91.81.8 m/s1.82.11.92.02.11.61.7
Data source: Jiujiang May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Jiujiang Compares to Other Months

Weather in Jiujiang varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Jiujiang, 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 9°C (48°F) to a maximum of 32°C (91°F), with an average of 20°C (68°F). This month also experiences significant rainfall, with a total of 292 mm (11.5 in) over 20 days, contributing to a high humidity level of 86%. In contrast, January is much cooler, with temperatures ranging from a chilly minimum of -9°C (16°F) to a maximum of 17°C (64°F), and an average temperature of just 4°C (39°F). The precipitation in January is considerably less, at 67 mm (2.7 in) over only 11 days, along with a lower humidity of 67%. For more details on January weather, you can refer to this link: Jiujiang weather in January.

May and February present contrasting weather conditions. In May, temperatures range from a minimum of 9°C (48°F) to a maximum of 32°C (91°F), resulting in a warm average of 20°C (68°F). Additionally, May experiences significant rainfall, with precipitation totaling 292 mm (11.5 in) over 20 days and a high humidity level of 86%. In stark contrast, February is much cooler, with temperatures spanning from -3°C (26°F) to a maximum of 24°C (76°F) and an average of only 6°C (43°F). The month sees considerably less rain, with 96 mm (3.8 in) over 15 days and lower humidity at 73%. For more detailed insights into February's climate, visit Jiujiang weather in February.

May generally boasts warmer temperatures compared to March, with average highs reaching up to 32°C (91°F) in May versus a maximum of 29°C (85°F) in March. The minimum temperatures in May are also noticeably higher, starting at 9°C (48°F) compared to March's minimum of 3°C (37°F). Both months experience similar amounts of rainfall, with May receiving 292 mm (11.5 in) and March a total of 173 mm (6.8 in), and interestingly, both months have rainfall distributed over approximately 20 days. Humidity levels are quite comparable as well, with May at 86% and March slightly lower at 84%. For a more detailed look at March weather, check out Jiujiang weather in March.

In comparing the weather of May and April, it’s evident that May tends to be warmer overall, with an average temperature of 20°C (68°F) compared to April's average of 15°C (60°F). May also experiences higher maximum temperatures, reaching up to 32°C (91°F), while April peaks at 31°C (89°F). However, May is considerably wetter, receiving 292 mm (11.5 in) of precipitation over 20 days, compared to April's 175 mm (6.9 in) across just 19 days. Humidity levels are slightly higher in May at 86%, compared to 82% in April. For a more detailed look, you can visit Jiujiang weather in April.

May and June exhibit some notable differences in weather patterns. In May, the minimum temperature starts at a cooler 9°C (48°F), while June sees a higher minimum of 14°C (57°F). Average temperatures also rise from 20°C (68°F) in May to 23°C (74°F) in June, with June reaching slightly higher maximum temperatures of 33°C (92°F) compared to May's 32°C (91°F). Precipitation levels are quite similar, with May recording 292 mm (11.5 in) and June slightly less at 281 mm (11.1 in), both experiencing rainfall on about 20 days. Notably, humidity remains consistent at 86% in both months. For more detailed insights into June's weather, visit Jiujiang weather in June.

May and July present quite contrasting weather patterns. In May, temperatures range from a cool minimum of 9°C (48°F) to an average of 20°C (68°F), with a peak of 32°C (91°F), accompanied by substantial rainfall of 292 mm (11.5 in) over 20 days, and humidity levels reaching 86%. In contrast, July brings warmer conditions, with temperatures starting at a minimum of 17°C (63°F), averaging 26°C (79°F), and soaring to a maximum of 37°C (99°F). Although July sees less precipitation at 211 mm (8.3 in) over 19 days, humidity remains slightly higher at 88%. For more detailed information, you can check Jiujiang weather in July.

In comparing the weather between May and August, May experiences a broader temperature range with a minimum of 9°C and a maximum of 32°C, leading to an average of 20°C. In contrast, August offers warmer temperatures, starting from a minimum of 18°C and peaking at 36°C, resulting in a higher average of 26°C. Despite the warmer conditions in August, it has lower precipitation, recorded at 202 mm over 18 days compared to May's 292 mm over 20 days. Humidity remains relatively similar, with May at 86% and August slightly lower at 85%. For more details, check out Jiujiang weather in August.

May brings a mix of warm and cooler temperatures, with a minimum of 9°C and an average of 20°C, peaking at 32°C. This month is also characterized by high humidity at 86% and significant rainfall, with 292 mm of precipitation spread over 20 days. In contrast, September experiences a rise in the minimum temperature to 14°C and an average of 22°C, reaching a maximum of 34°C. The month sees a reduction in precipitation to 184 mm over 16 days and a lower humidity level of 71%. For more detailed insights into September weather patterns, visit Jiujiang weather in September.

May and October present contrasting weather patterns. In May, temperatures range from a minimum of 9°C (48°F) to a maximum of 32°C (91°F), with an average temperature of 20°C (68°F). This month is characterized by high humidity at 86% and significant rainfall, totaling 292 mm (11.5 in) over approximately 20 days. In comparison, October experiences cooler temperatures, with a minimum of 7°C (46°F), an average of 16°C (61°F), and a maximum of 33°C (91°F). The month sees a substantial decrease in precipitation, totaling 102 mm (4.0 in) spread over 13 days, and lower humidity at 74%. For more detailed information, you can check Jiujiang weather in October.

May and November present contrasting weather conditions. In May, temperatures vary significantly, with a minimum of 9°C (48°F), an average of 20°C (68°F), and highs reaching up to 32°C (91°F). The month is also quite wet, with precipitation totaling 292 mm (11.5 inches) over 20 days, accompanied by high humidity at 86%. In contrast, November experiences cooler temperatures, ranging from a minimum of 2°C (36°F) to a maximum of 27°C (81°F), with an average of 11°C (53°F). This month sees much less rainfall, with only 87 mm (3.4 inches) over 12 days and slightly lower humidity at 85%. For more details on November weather, you can visit Jiujiang weather in November.

May and December present contrasting weather patterns, characterized by significant differences in temperature and precipitation. In May, temperatures range from a mild 9°C (48°F) at night to a warm 32°C (91°F) during the day, with an average of 20°C (68°F). However, this month experiences considerable rainfall, totaling 292 mm (11.5 in) over about 20 days, accompanied by high humidity levels at 86%. In stark contrast, December brings much cooler temperatures, with lows of -5°C (23°F), highs of only 18°C (65°F), and an average of 6°C (43°F). Precipitation decreases dramatically to 53 mm (2.1 in) over just 10 days, and humidity drops to a more comfortable 75%. For more detailed insights into December weather, check out Jiujiang weather in December.

Compare Jiujiang's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Jiujiang

As May rolls in, Jiujiang experiences a marked shift in weather compared to the cooler months preceding it. With temperatures climbing to a warm maximum of 32°C, the heat is palpable, although it is often tempered by the consistent high humidity levels that hover around 86%. The month sees a significant increase in precipitation, with nearly two-thirds of the days experiencing rainfall, a sharp contrast to the drier spells of earlier months. This combination of warmth and wetness creates a vibrant, lush landscape, making it clear that May is a transitional month filled with life and change. For those looking to plan their visit, understanding the unique weather patterns is essential; dive deeper into the specifics at Jiujiang Climate.