March Weather in Nanjing, China

Last updated: August 21, 2025

March in Nanjing, China, showcases a vibrant transition into spring with temperatures ranging from a refreshing 0°C (31°F) at night to a balmy maximum of 29°C (84°F) during the day. The average temperature rests at a comfortable 12°C (54°F), inviting locals and visitors alike to enjoy outdoor activities. During this month, the city experiences about 66 mm (2.6 in) of precipitation over 10 days, contributing to an humidity level of 82%, which enhances the vibrant growth of blooming flora. With its fluctuating weather and rich atmospheric changes, March presents a dynamic backdrop for experiencing Nanjing's cultural and natural beauty.

March Temperature in Nanjing

In March, Nanjing wakes from its winter slumber, presenting a refreshing shift in temperatures. With minimums hovering around 0°C (31°F) and a pleasant average of 12°C (54°F), the city begins to embrace the warmth of spring. The maximum temperatures can reach a balmy 29°C (84°F), inviting residents and visitors alike to enjoy the blossoming scenery. This transitional month marks a notable increase from February's chilly lows, highlighting a clear upward trend toward milder, sunnier days. As nature awakens, March in Nanjing offers a delightful blend of cool mornings and invigorating afternoons, perfect for outdoor exploration and appreciating the emerging beauty of the season.

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

The chart illustrates March temperature patterns in Nanjing, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nanjing, 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).
JanFebMarAprMayJunJulAugSepOctNovDec394354627278838476645543
Data source: Temperature data for Nanjing 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 Nanjing

In March, Nanjing experiences a notable uptick in precipitation, receiving 66 mm (2.6 in) of rainfall over 10 days. This increase marks a shift from the relatively dry winter months of January and February, which saw averages of just over 50 mm of rainfall. As the city transitions into spring, this rise in moisture sets the stage for even wetter months ahead, with April and May following closely behind at 69 mm (2.7 in) and 143 mm (5.6 in) respectively. Interestingly, the consistency in rainfall days suggests that while March may not boast the highest total, it contributes to a gradual warming and greening of the landscape, heralding the seasonal changes that Nanjing eagerly anticipates.

March Precipitation Trends in Nanjing

The chart displays monthly precipitation patterns in Nanjing, 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 Nanjing, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5352666914315722818986544440
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Nanjing

In March, Nanjing, China experiences a notable surge in humidity, reaching 82%, which marks a significant jump from the 73% recorded in February. This increase is part of a broader trend, as the city transitions into the warmer months. Following March, humidity continues to rise, peaking at 90% in July, illustrating a pattern of increasing moisture that starts in early spring and persists through summer. As the seasons progress, residents can expect a gradual escalation in humidity, with April and May both showcasing elevated levels at 86% and 85%, respectively. This trend reflects Nanjing's humid subtropical climate, characterized by balmy and moisture-laden air as the region approaches the peak of summer.

March Average Humidity in Nanjing

This chart illustrates the average monthly humidity levels in Nanjing, 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 Nanjing is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%73%82%86%85%85%90%88%75%76%84%77%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Nanjing

As March arrives in Nanjing, the UV Index sharply increases to 8, marking a transition to a very high exposure category. This notable rise from February's high index of 6 signals a significant change in sun intensity, reducing the recommended burn time to just 15 minutes. This trend of increasing UV levels continues into April and May, where the index reaches 10, emphasizing the importance of sun protection. With values peaking at 11 during the summer months, residents and visitors alike should stay vigilant about UV exposure. For more detailed information, visit Nanjing UV Index.

Maximum UV Index Levels in Nanjing for March

The chart shows the monthly maximum UV Index (UVI) for Nanjing 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 Nanjing typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568101011111010854
Data source: Nanjing 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 Nanjing

As spring awakens in Nanjing, March shines brightly with 237 hours of sunlight, marking a significant increase from February's 214 hours. This upward trend continues into April, where the sun graces the city for 242 hours, indicating that longer, sunnier days are just around the corner. The increasing sunlight not only enhances the vibrancy of the city but also signals the arrival of warmer weather, nurturing the blossoms amid the urban landscape. With May expected to bask in a delightful 275 hours, residents and visitors alike can look forward to more outdoor activities and the joyous arrival of spring in full swing.

Monthly Sunshine Duration in Nanjing: March Highlighted

The March sunshine duration represents the total number of hours Nanjing 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.
JanFebMarAprMayJunJulAugSepOctNovDec159h214h237h242h275h277h287h296h254h233h223h216h
Data source: Nanjing March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nanjing During March

In Nanjing, China, the likelihood of sunny weather experiences a significant dip in March, with only a 26% chance of sunshine. This decline marks a stark contrast to the preceding winter months, where January and February each boast probabilities of 49% and 45%, respectively. The approaching spring does not seem to brighten spirits either, as April and May only see a slight uptick in sunny days, with chances hovering around 28% and 29%. Interestingly, the transition into autumn reveals a resurgence in sunshine, with September soaring back up to 49%, emphasizing that while March may feel rather dreary, the sun will return to grace Nanjing's skies in due time.

Percentage of Sunny Days in March in Nanjing

The chart illustrates the percentage of sunny days in Nanjing 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 Nanjing experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec49%45%26%28%29%29%24%35%49%42%62%68%
Data source: Nanjing March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nanjing in March

As March arrives in Nanjing, China, the city experiences a refreshing continuation of longer daylight, basking in around 11 hours of sunlight each day. This duration marks a steady transition from the short, serene days of January and February, signaling the approach of spring. With daylight steadily increasing throughout the month, Nanjing begins to shake off winter's chill, setting the stage for the vibrant blooms and warm afternoons that April will bring, where daylight extends to 12 hours. March serves as a beautiful bridge in this rhythm of light, inviting residents and visitors alike to savor the gradual embrace of brighter days ahead.

Average Daylight Hours in Nanjing for March

The chart illustrates the variation in daylight duration in Nanjing throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 17m11h 1m11h 59m12h 57m13h 47m14h 12m13h 59m13h 16m12h 20m11h 21m10h 30m10h 4m
Data source: Nanjing daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Nanjing

As March ushers in the subtle transition from winter to spring in Nanjing, the average wind speed settles around 3.1 m/s (7 mph), a slight dip from February's brisk 3.4 m/s (8 mph). This gentle breeze hints at the balmy days ahead, as the winds gradually soften into April with an average of 2.9 m/s (7 mph). The pattern through the months reveals a tendency for wind speeds to peak in the height of summer, particularly in July, before tapering down to more tranquil conditions by late autumn. Overall, March serves as a bridge, marking the shift into warmer temperatures while allowing the winds to remain refreshingly spirited, inviting residents to relish the beautiful, blooming landscapes of spring.

Average March Wind Speed in Nanjing

The chart displays monthly wind speed patterns in Nanjing, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.03.43.1 m/s2.92.82.53.42.42.92.93.02.6
Data source: Nanjing March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Nanjing Compares to Other Months

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

In comparing the weather of March to January, it's clear that March experiences a significant warming trend. While January sees minimum temperatures as low as -10°C (13°F) and average around 4°C (40°F), March boasts a minimum temperature of 0°C (31°F) and an average of 12°C (54°F), with a maximum reaching 29°C (84°F). Additionally, precipitation in March is slightly higher at 66 mm (2.6 in) compared to January's 53 mm (2.1 in) over a greater number of days (10 days in March versus 8 in January), contributing to a noticeably more humid environment in March at 82% versus January's 70%. For more detailed information about January weather, you can check Nanjing weather in January.

In comparing the weather between February and March, it's clear that March brings a notable increase in temperature, with a minimum of 0°C (31°F) and an average of 12°C (54°F), compared to February's minimum of -11°C (13°F) and an average of 6°C (43°F). While February still experiences some warmth with a maximum temperature of 26°C (79°F), March can reach up to 29°C (84°F). Precipitation is slightly higher in March at 66 mm (2.6 in) over 10 days, compared to February, which recorded 52 mm (2.0 in) over 9 days. Additionally, humidity levels in March are elevated at 82%, compared to February's 73%. For those interested in February's specifics, you can find more details at Nanjing weather in February.

March and April present a notable transition in weather characteristics. In March, temperatures range from a chilly minimum of 0°C (31°F) to a comfortable maximum of 29°C (84°F), with an average temperature of 12°C (54°F). The month typically experiences around 66 mm (2.6 in) of precipitation over 10 days, accompanied by a humidity level of 82%. In contrast, April sees a significant rise in temperatures, with minimums of 5°C (41°F) and maximums reaching 32°C (90°F), resulting in an average of 17°C (62°F). Precipitation increases slightly to 69 mm (2.7 in) over 9 days, while humidity rises to 86%. For a detailed overview of April's weather conditions, you can visit Nanjing weather in April.

March and May offer distinct weather experiences. In March, temperatures range from a chilly minimum of 0°C (31°F) to a pleasant maximum of 29°C (84°F), with an average of 12°C (54°F). The month sees about 66 mm (2.6 in) of precipitation over roughly 10 days, along with a relative humidity of 82%. In contrast, May brings warmer conditions, with minimum temperatures around 10°C (51°F) and an average high of 36°C (96°F), peaking at an average of 22°C (72°F). Precipitation increases significantly to 143 mm (5.6 in) over 9 days, and humidity rises slightly to 85%. For more detailed information, you can check out Nanjing weather in May.

March in Nanjing greets you with a cool transition from winter to spring, featuring temperatures ranging from a chilly 0°C (31°F) to a pleasant 29°C (84°F) and an average of 12°C (54°F). The month sees approximately 66 mm (2.6 in) of precipitation over 10 days, contributing to a relatively high humidity level of 82%. In contrast, June experiences a warm and humid climate, with temperatures ranging from a minimum of 17°C (62°F) to a scorching maximum of 36°C (96°F) and an average temperature of 26°C (78°F). Rainfall significantly increases to 156 mm (6.2 in) over the same number of days, accompanied by slightly higher humidity at 85%. For a deeper look at what to expect, check out Nanjing weather in June.

When comparing the weather in March and July, a stark difference is evident. March experiences a relatively mild range of temperatures, starting from a chilly minimum of 0°C (31°F) to a maximum of 29°C (84°F), with an average of 12°C (54°F). It also sees around 66 mm (2.6 in) of precipitation over about 10 days, accompanied by a high humidity level of 82%. In contrast, July is significantly warmer and more humid, with temperatures ranging from a minimum of 19°C (67°F) to a scorching maximum of 38°C (101°F), averaging 28°C (83°F). Precipitation in July is notably higher at 228 mm (9.0 in) over 18 days, and humidity increases to 90%. For more detailed insights on July weather, you can visit Nanjing weather in July.

In March, the weather begins to warm up, with temperatures ranging from a chilly 0°C (31°F) at night to a pleasant 29°C (84°F) during the day, averaging around 12°C (54°F). The month sees moderate precipitation of 66 mm (2.6 in) over approximately 10 days, accompanied by relatively high humidity at 82%.

Conversely, August brings a significant increase in heat, with temperatures starting at a minimum of 21°C (71°F) and soaring to a maximum of 38°C (100°F), averaging 29°C (84°F). This month experiences much heavier rainfall, totaling 189 mm (7.4 in) across about 14 days, and humidity levels rise slightly to 88%. For a more detailed overview, you can visit Nanjing weather in August.

March and September present contrasting weather patterns. In March, temperatures range from a chilly 0°C (31°F) at night to a pleasant 29°C (84°F) during the day, with an average of 12°C (54°F). This month experiences considerable humidity at 82% and sees around 66 mm (2.6 in) of precipitation over approximately 10 days. In contrast, September boasts a much warmer climate, with minimum temperatures starting at 15°C (60°F) and peaking at a scorching maximum of 36°C (97°F), yielding an average temperature of 24°C (76°F). Although September receives slightly more precipitation at 86 mm (3.4 in) over the same number of days, the humidity is lower at 75%. For a closer look at what to expect during this time, check out Nanjing weather in September.

March and October present distinct contrasts in weather patterns. In March, temperatures range from a chilly 0°C (31°F) at night to a warm 29°C (84°F) during the day, with an average of 12°C (54°F). The month is characterized by higher humidity levels at 82% and a total precipitation of 66 mm (2.6 in) over about 10 days. In contrast, October features milder nights with a minimum of 7°C (45°F) and daytime highs peaking at 36°C (97°F), averaging 18°C (65°F). This month experiences less rainfall, totaling 54 mm (2.1 in) over fewer days, making it slightly drier at 76% humidity. For detailed insights on October weather, visit Nanjing weather in October.

When comparing the weather in March and November, both months experience relatively mild temperatures, with March averaging 12°C (54°F) and November slightly warmer at 13°C (55°F). March can see maximum temperatures reaching up to 29°C (84°F), comparable to November's high of 28°C (83°F). However, March is generally wetter, with 66 mm (2.6 in) of precipitation over 10 days, while November has less rainfall at 44 mm (1.7 in) over just 6 days. Humidity levels are quite similar, with March at 82% and November slightly higher at 84%. For more detailed insights into November weather, you can check this link: Nanjing weather in November.

In comparing the weather between March and December, March tends to be significantly warmer with average temperatures around 12°C (54°F) and maximum highs reaching up to 29°C (84°F). In contrast, December experiences much cooler temperatures, with an average of only 6°C (43°F) and lows dipping down to -7°C (20°F). Additionally, March is notably wetter, receiving 66 mm (2.6 in) of precipitation over about 10 days, while December has less rainfall, totaling 40 mm (1.6 in) across approximately 7 days. Humidity levels are slightly higher in March at 82%, compared to December's 77%. For more detailed insights into the December climate, you can check Nanjing weather in December.

Compare Nanjing's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Nanjing

As March unfolds in Nanjing, the weather begins to show signs of spring, with a notable shift from the colder months. While daytime temperatures can peak at a warm 29°C (84°F), evenings still retain a chill, dipping down to around 0°C (31°F). This transition brings enhanced humidity levels, maintaining a consistent 82%, and while precipitation is relatively modest with about 66 mm (2.6 in) spread across 10 days, it's a stark contrast from the aridity of winter. March serves as a refreshing precursor to the warmer months, making it an ideal time to enjoy Nanjing’s budding landscapes. For a detailed understanding of what to expect throughout the year, feel free to explore the full details at Nanjing Climate.