March Weather in Jiangnan, China

Last updated: August 21, 2025

March weather in Jiangnan, China showcases a delightful transition towards spring, marked by a maximum temperature reaching 32°C (90°F) and an average of 21°C (70°F), while lows dip to a refreshing 9°C (48°F). This month witnesses an average precipitation of 82 mm (3.2 in) over approximately 15 days, contributing to a humidity level of around 73%. The blend of warmth and moisture sets the stage for vibrant blooms and lush landscapes, making March an enchanting time in Jiangnan.

March Temperature in Jiangnan

As winter transitions to spring in Jiangnan, March showcases a noticeable warming trend, with temperatures rising significantly from the cooler months. The minimum temperature climbs to 9°C (48°F), while the average temperature reaches a comfortable 21°C (70°F), peaking at a welcoming 32°C (90°F). This shift not only marks a welcome respite from the chill of January and February, with their highs around 28°C (83°F) and 29°C (84°F), but also hints at the approaching summer heat as temperatures steadily increase as the months progress. March sets the stage for the vibrant beauty of spring, where basking in the pleasant warmth becomes more inviting, laying the groundwork for the lush landscapes that Jiangnan is renowned for during the following months.

March Weather in Jiangnan: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Jiangnan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jiangnan, March 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).
JanFebMarAprMayJunJulAugSepOctNovDec616270738084858483767062
Data source: Temperature data for Jiangnan 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.

March Precipitation in Jiangnan

In March, Jiangnan, China, witnesses a significant surge in precipitation, with 82 mm (3.2 in) of rain falling over 15 days. This uptick marks a noticeable increase from 56 mm (2.2 in) in February, signaling the transition from winter dryness to the dampness of spring. As the month unfolds, the region begins to experience more consistent rainfall, setting the stage for even wetter months ahead. With precipitation days on the rise, March stands as a pivotal time when the landscape awakens, nourishing the soil and enhancing the vibrant growth that characterizes the season. The trend of increasing rainfall not only reflects the climatic shifts but also foreshadows the heavy rains that will peak in the months to come, particularly in June and August.

March Precipitation Trends in Jiangnan

The chart displays monthly precipitation patterns in Jiangnan, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Jiangnan, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec2156821272163152223262331432717
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Jiangnan

As March arrives in Jiangnan, China, residents experience a notable increase in humidity, reaching 73%. This upward trend from the previous months reflects the gradual transition into spring, with February already at 68%. The rising humidity levels signal a shift towards a more humid climate, which continues into the warmer months. By May, humidity peaks at 79%, setting the stage for the sultry summer ahead. Such fluctuations in humidity not only influence the local climate but also affect daily life, as the region prepares for the abundant rain and lush vegetation that accompany the warmer seasons.

March Average Humidity in Jiangnan

This chart illustrates the average monthly humidity levels in Jiangnan, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Jiangnan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%68%73%71%79%77%88%88%75%65%64%69%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Jiangnan

March in Jiangnan, China, heralds a significant increase in the UV Index, soaring to an extreme level of 12. This marks a sharp rise from February's already very high index of 10 and reveals a concerning trend as the region transitions fully into spring. With a burn time of just 10 minutes, residents and visitors alike must take precautions, as skin can become susceptible to harmful UV rays in a mere heartbeat. The pattern established in preceding months continues, with April and May also maintaining an extreme UV Index of 12 and 14, respectively, emphasizing the importance of sun safety during these peak months. For more detailed information on UV exposure, check out Jiangnan UV Index.

Maximum UV Index Levels in Jiangnan for March

The chart shows the monthly maximum UV Index (UVI) for Jiangnan in March, 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 March, the maximum UV index in Jiangnan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710121214131313111097
Data source: Jiangnan March 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.

March Sunshine in Jiangnan

As March dawns on Jiangnan, the region welcomes a gentle stretch of increasing daylight, with 236 sunlight hours illuminating the blossoming landscapes. This invigorating month marks a subtle shift from the winter’s confines, as it outshines January's 202 hours and February's 233 hours. Remarkably, March ties with April in daylight duration, heralding the onset of spring with a promise of lush greenery and vibrant blooms. The progression of sunlight continues to rise through May and June, peaking during the summer months. However, the consistent light in March signifies a pivotal moment in the seasonal rhythm, inviting both locals and visitors to bask in the early warmth and beauty of Jiangnan’s unique charm.

Monthly Sunshine Duration in Jiangnan: March Highlighted

The March sunshine duration represents the total number of hours Jiangnan experiences direct sunlight during the month of March, excluding cloudy or obstructed periods. This chart compares the sunshine duration of March with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec202h233h236h236h287h277h307h276h280h271h260h263h
Data source: Jiangnan March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jiangnan During March

As winter transitions to spring in Jiangnan, China, the likelihood of sunny weather takes a notable dip in March, plummeting to a mere 28%. This marks a significant contrast to the relatively brighter months of January and February, with chances of sunshine at 56% and 51%, respectively. Following March, the prospects remain bleak, with April and May also showing only slightly better chances at 29%. This downward trend in sunshine continues into the summer months, peaking in June at just 10%. As the seasons change, it becomes clear that early spring in Jiangnan is quite overcast, urging locals and visitors alike to prepare for more cloudy days than sunny skies.

Percentage of Sunny Days in March in Jiangnan

The chart illustrates the percentage of sunny days in Jiangnan throughout the year, with March 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 Jiangnan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec56%51%28%30%29%10%29%14%38%33%62%48%
Data source: Jiangnan March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jiangnan in March

As March arrives in Jiangnan, China, a delightful shift occurs in the length of daylight, extending it to 12 hours. This increase, following the gradual rise from 10 hours in January and 11 hours in February, marks a turning point as the region transitions from winter's embrace to the vibrant awakening of spring. Interestingly, daylight remains consistent at 12 hours through April before reaching a peak of 13 hours in May and June. This pattern not only reflects nature's cyclical rhythm but also the anticipation of longer, sunnier days that enhance outdoor activities and the blossoming landscape, forging a sense of rejuvenation in the air.

Average Daylight Hours in Jiangnan for March

The chart illustrates the variation in daylight duration in Jiangnan throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 54m11h 23m12h 1m12h 40m13h 12m13h 28m13h 20m12h 52m12h 14m11h 36m11h 2m10h 45m
Data source: Jiangnan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Jiangnan

As March arrives in Jiangnan, China, the winds begin to stir, bringing a gentle yet noticeable uptick in average wind speeds to 2.7 m/s (6 mph). This slight increase from February’s lull of 2.2 m/s (5 mph) signals a transition toward spring, where the air becomes infused with a refreshing vigor. Interestingly, while March sees a minor fluctuation from the preceding months, it settles comfortably into a rhythm similar to January, suggesting a brief yet invigorating breath of wind before a gradual decline into the quieter months of summer. As we move forward, the variability in the upcoming months of April and May reflect a dynamic coastal weather system, yet March remains pivotal in heralding the more spirited conditions that characterize the season.

Average March Wind Speed in Jiangnan

The chart displays monthly wind speed patterns in Jiangnan, with values for each month shown alongside March's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how March's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.22.7 m/s2.42.62.42.21.91.53.52.83.0
Data source: Jiangnan March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Jiangnan Compares to Other Months

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

In comparing the weather of March and January, we see a notable increase in temperature and humidity as the seasons transition. March boasts a minimum temperature of 9°C (48°F) and an average high of 32°C (90°F), while January experiences cooler conditions with a minimum of 3°C (38°F) and a maximum of 28°C (83°F). Additionally, March presents a significantly higher precipitation level of 82 mm (3.2 in) over 15 days, compared to January's modest 21 mm (0.8 in) over just 3 days. The humidity in March also rises to 73%, up from January's 64%. For a more detailed look at January conditions, you can refer to Jiangnan weather in January.

March typically experiences warmer temperatures compared to February, with an average high of 32°C (90°F) and a minimum of 9°C (48°F) versus February's maximum of 29°C (84°F) and minimum of 4°C (40°F). Precipitation also increases in March, totaling 82 mm (3.2 in) over 15 days, compared to February's 56 mm (2.2 in) over 8 days. Additionally, the humidity in March is slightly higher at 73% compared to February's 68%, contributing to a more humid atmosphere as spring approaches. For more detailed information, you can refer to Jiangnan weather in February.

In comparing the weather patterns of March and April, both months exhibit mild temperatures, with April generally being slightly warmer. March sees minimum temperatures of 9°C (48°F) and an average of 21°C (70°F), while April starts at 11°C (53°F) and has an average of 23°C (74°F). The maximum temperatures remain close, with March peaking at 32°C (90°F) and April reaching 33°C (92°F). However, April experiences a significant increase in precipitation, totaling 127 mm (5.0 in) over 14 days, compared to March's 82 mm (3.2 in) over 15 days. Humidity levels remain fairly consistent, with March at 73% and April slightly lower at 71%. For further insights on local conditions, check out Jiangnan weather in April.

In March, temperatures range from a minimum of 9°C (48°F) to a maximum of 32°C (90°F), with an average of 21°C (70°F). The month experiences approximately 82 mm (3.2 in) of precipitation over about 15 days and has a humidity level of 73%. In contrast, May offers warmer conditions, with temperatures ranging from a minimum of 15°C (59°F) to a high of 35°C (96°F) and an average of 27°C (80°F). However, May also sees increased rainfall, with 216 mm (8.5 in) of precipitation over 20 days, alongside a slight rise in humidity to 79%. For more detailed insights into the weather in May, you can check Jiangnan weather in May.

The weather in March and June presents a stark contrast, particularly in temperature and precipitation. March features a mild range with minimum temperatures of 9°C (48°F) and an average of 21°C (70°F), while June sees significantly warmer conditions, starting at a minimum of 23°C (74°F) and averaging 29°C (84°F). Additionally, June experiences much higher precipitation, totaling 315 mm (12.4 in) over 22 days, compared to March's 82 mm (3.2 in) spread across 15 days. Humidity levels also rise slightly, with March at 73% and June at 77%, contributing to an overall feeling of mugginess in the later month. For more detailed insights into the weather during June, you can visit Jiangnan weather in June.

March and July present distinct weather patterns, showcasing a significant shift in temperature and precipitation. In March, temperatures range from a mild 9°C (48°F) to a warm 32°C (90°F), with an average of 21°C (70°F). However, it is also a relatively wet month, receiving 82 mm (3.2 in) of rainfall across 15 days, and the humidity hovers around 73%.

In contrast, July experiences much warmer conditions, with minimum temperatures of 25°C (77°F) and maximums reaching up to 37°C (98°F), averaging 29°C (85°F). It is also considerably wetter, with 222 mm (8.7 in) of precipitation spread over 23 days, resulting in higher humidity levels at 88%. For a deeper insight into July's weather specifics, refer to Jiangnan weather in July.

In March, temperatures range from a cool 9°C (48°F) at night to a warm 32°C (90°F) during the day, averaging around 21°C (70°F). The month experiences moderate rainfall of 82 mm (3.2 in) over approximately 15 days, with humidity levels at 73%. In contrast, August brings much warmer weather, with minimum temperatures starting at 24°C (76°F) and peaking up to 37°C (100°F), averaging 29°C (84°F). Rainfall significantly increases to 326 mm (12.8 in) spread over 25 days, accompanied by higher humidity of 88%. For more detailed information on August weather in this region, you can visit Jiangnan weather in August.

In March, temperatures in Jiangnan range from a minimum of 9°C (48°F) to a maximum of 32°C (90°F), with an average of 21°C (70°F). The weather is characterized by relatively moderate humidity at 73%, accompanied by 82 mm (3.2 in) of precipitation over about 15 days. In contrast, September sees a notable rise in temperatures, with a minimum of 21°C (70°F) and a maximum reaching 35°C (95°F), averaging 28°C (83°F). This month is also much wetter, receiving 233 mm (9.2 in) of rain spread across 23 days, while humidity slightly increases to 75%. For more details about weather conditions in September, check out Jiangnan weather in September.

In comparing the weather between March and October, we notice distinct differences in temperature and precipitation. March experiences a minimum temperature of 9°C (48°F) and averages around 21°C (70°F), while October boasts milder temperatures with a minimum of 15°C (60°F) and an average of 25°C (77°F). The maximum temperatures also rise, with March reaching 32°C (90°F) compared to October's peak of 35°C (95°F). Precipitation levels are noticeably higher in October, with 143 mm (5.6 in) over 12 days, compared to March's 82 mm (3.2 in) over 15 days. Additionally, humidity is slightly higher in March at 73%, compared to 65% in October. For more detailed insights into October weather, you can refer to Jiangnan weather in October.

March and November exhibit relatively similar average temperatures, both hovering around 21°C (70°F), but their overall weather patterns differ. In March, temperatures range from a cooler minimum of 9°C (48°F) to a warm maximum of 32°C (90°F), accompanied by higher humidity at 73% and considerable precipitation of 82 mm (3.2 in) over 15 days. In contrast, November typically sees milder temperatures, with a minimum of 12°C (54°F) and a maximum of 31°C (88°F), but it features significantly less rainfall, totaling only 27 mm (1.1 in) over just 5 days, resulting in lower humidity at 64%. These differences make November a drier and slightly warmer month overall compared to the more variable weather experienced in March. For more details, check Jiangnan weather in November.

March and December exhibit distinct differences in weather patterns. March typically brings warmer temperatures, with a minimum of 9°C (48°F) and an average high of 32°C (90°F), while December has a slightly cooler range, with minimums around 7°C (44°F) and maximums peaking at 29°C (84°F). Precipitation levels also diverge significantly; March experiences substantial rainfall with 82 mm (3.2 in) spread over 15 days, compared to December's much drier conditions, which record only 17 mm (0.7 in) over just 3 days. Humidity in March is slightly higher at 73% compared to December's 69%, contributing to a more humid feel during the earlier month. For further details, you can explore Jiangnan weather in December.

Compare Jiangnan's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Jiangnan

As March unfolds in Jiangnan, the transition from the cool remnants of winter to the warmth of spring becomes apparent. Temperatures begin to rise, offering a refreshing contrast to the chilling lows of the preceding months, while the average climate becomes more inviting. However, with an increase in warmth, March is also marked by a notable rise in humidity and frequent rainfall, as the region experiences about half of its monthly days of precipitation. This unique blend of conditions not only heralds the beauty of blooming flora but also prepares residents for the upcoming summer heat. For a deeper dive into the evolving climate patterns in Jiangnan, visit Jiangnan Climate.