Nanchang Weather Forecast
General Information
Nanchang, which has a humid subtropical monsoon climate, is located in central-north Jiangxi at the lower reaches of the Ganjiang and Fuhe Rivers and close to the southwest bank of the Poyang Lake. Nanchang has short spring and autumn vs long summer and winter. Though of different durations, the four seasons has distinct features: the spring is warm and humid; summer, hot and rainy; autumn, cool and dry; winter, cold and little rain. The historical average temperatures range between 17~18 C, with radical changes in winter and summer: an extreme high of 40 C in summer and an extreme low of -10 C in winter. The historical average annual precipitation is around 1,600 mm, distributing unevenly throughout the year: half during the flood season from April to June. The adequate heat, rain, sunshine in time for crop growth needs and agricultural production has long established Nanchang as a "land of fish and rice". The monsoon climate it is born with means different monsoon force and timing, in turn radical temperature changes, uneven distribution of precipitation and frequent outbreaks of high temperature, droughts, frosts, heavy rain and floods and other disastrous weathers and thus adverse effects on people's production and everyday life.Pressure
monthly mean atmospheric pressure
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
Pressure (hPa) | 10203 | 10179 | 10139 | 10088 | 10047 | 10003 | 9989 | 10000 | 10067 | 10133 | 10180 | 10208 |
Pressure (hPa) | |||||||||||
10203![]() | 10179![]() | 10139![]() | 10088![]() | 10047![]() | 10003![]() | 9989![]() | 10000![]() | 10067![]() | 10133![]() | 10180![]() | 10208![]() |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
fig.1 monthly mean pressure
Temperature
monthly mean temperature
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
Temp (oF) | 41.5 | 44.4 | 51.6 | 63.1 | 72.1 | 78.2 | 84.5 | 83.8 | 76.2 | 66.9 | 56.1 | 46 |
Temp (oC) | 5.3 | 6.9 | 10.9 | 17.3 | 22.3 | 25.7 | 29.2 | 28.8 | 24.6 | 19.4 | 13.4 | 7.8 |
Temperature (oC|oF) | |||||||||||
5.3 oC 41.5 oF ![]() | 6.9 oC 44.4 oF ![]() | 10.9 oC 51.6 oF ![]() | 17.3 oC 63.1 oF ![]() | 22.3 oC 72.1 oF ![]() | 25.7 oC 78.2 oF ![]() | 29.2 oC 84.5 oF ![]() | 28.8 oC 83.8 oF ![]() | 24.6 oC 76.2 oF ![]() | 19.4 oC 66.9 oF ![]() | 13.4 oC 56.1 oF ![]() | 7.8 oC 46 oF ![]() |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
fig.2 monthly mean temperature
monthly extreme mean temperature
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
Min Temp (oF) | 36.8 | 39.9 | 46.7 | 57.7 | 66.5 | 73 | 78.4 | 78 | 70.8 | 61.3 | 50.1 | 40.2 |
Min Temp (oC) | 2.7 | 4.4 | 8.2 | 14.3 | 19.2 | 22.8 | 25.8 | 25.6 | 21.6 | 16.3 | 10.1 | 4.6 |
Max Temp (oF) | 47.6 | 50.7 | 58.2 | 70.1 | 79.3 | 84.9 | 92.1 | 91.4 | 83.6 | 74.6 | 63.6 | 53.7 |
Max Temp (oC) | 8.7 | 10.4 | 14.6 | 21.2 | 26.3 | 29.4 | 33.4 | 33 | 28.7 | 23.7 | 17.6 | 12.1 |
monthly extreme daily temperature
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
Min Temp (oF) | 19.5 | 15.2 | 30.5 | 38.8 | 50.7 | 58.6 | 66.2 | 67.1 | 57.5 | 38.3 | 30.5 | 14.5 |
Min Temp (oC) | -6.9 | -9.3 | -.8 | 3.8 | 10.4 | 14.8 | 19 | 19.5 | 14.2 | 3.5 | -.8 | -9.7 |
Max Temp (oF) | 77.5 | 82.2 | 90.5 | 90.6 | 95.1 | 99.8 | 104.1 | 102.7 | 100.4 | 95.7 | 88.1 | 76.6 |
Max Temp (oC) | 25.3 | 27.9 | 32.5 | 32.6 | 35.1 | 37.7 | 40.1 | 39.3 | 38 | 35.4 | 31.2 | 24.8 |
Humidity
monthly mean hunidity
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
Hunidity (%) | 77 | 78 | 81 | 81 | 80 | 84 | 78 | 78 | 77 | 73 | 72 | 71 |
Hunidity (%) | |||||||||||
77![]() | 78![]() | 81![]() | 81![]() | 80![]() | 84![]() | 78![]() | 78![]() | 77![]() | 73![]() | 72![]() | 71![]() |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
fig.3 monthly mean hunidity
monthly minimum daily hunidity
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
Hunidity (%) | 15 | 18 | 15 | 18 | 19 | 30 | 35 | 29 | 27 | 19 | 15 | 6 |
Precipitation
monthly mean precipitation
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
Precipitation (mm) | 74 | 100.7 | 175.6 | 223.8 | 243.8 | 306.7 | 144 | 128.9 | 68.7 | 59.7 | 56.8 | 41.5 |
Days (Precipitation<0.1mm) | 13 | 13.2 | 18 | 17.7 | 16.6 | 15.5 | 10.8 | 10.3 | 7.7 | 8.8 | 7.9 | 7.8 |
Days (Precipitation<10mm) | 2.6 | 3.4 | 6.5 | 7.2 | 6.9 | 6.8 | 3.8 | 3.8 | 2.1 | 1.7 | 1.8 | 1.4 |
Days (Precipitation<25mm) | .4 | 1 | 1.9 | 2.9 | 3.4 | 4.1 | 1.8 | 1.6 | .7 | .5 | .5 | .3 |
Days (Precipitation<50mm) | 0 | .1 | .2 | .6 | 1 | 2.1 | .7 | .6 | .2 | .1 | .1 | 0 |
Precipitation (mm) | |||||||||||
74![]() | 100.7![]() | 175.6![]() | 223.8![]() | 243.8![]() | 306.7![]() | 144![]() | 128.9![]() | 68.7![]() | 59.7![]() | 56.8![]() | 41.5![]() |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
fig.4 monthly mean precipitation
monthly maximum daily precipitation
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
Precipitation (mm) | 44 | 55.4 | 109 | 181.5 | 163.2 | 289 | 139.8 | 197.5 | 134.4 | 120 | 66 | 43 |
Wind
monthly mean wind speed
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
Wind Speed (m/s) | 2.6 | 2.6 | 2.6 | 2.4 | 2.3 | 2.1 | 2.2 | 2.3 | 2.7 | 2.8 | 2.6 | 2.6 |
Wind Speed (m/s) | |||||||||||
2.6![]() | 2.6![]() | 2.6![]() | 2.4![]() | 2.3![]() | 2.1![]() | 2.2![]() | 2.3![]() | 2.7![]() | 2.8![]() | 2.6![]() | 2.6![]() |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
fig.5 monthly mean wind speed
monthly maximum daily wind speed and direction
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
Wind Speed (m/s) | 17 | 21.7 | 19.7 | 16.2 | 17.3 | 17 | 18.7 | 19 | 17 | 15 | 19 | 15.3 |
Sunshine
monthly mean sunshine duration
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
Duration (hour) | 91.9 | 83.7 | 85.2 | 114.4 | 151.1 | 160.2 | 248.7 | 243.2 | 185.8 | 167 | 147.5 | 141.7 |
Duration (hour) | |||||||||||
91.9![]() | 83.7![]() | 85.2![]() | 114.4![]() | 151.1![]() | 160.2![]() | 248.7![]() | 243.2![]() | 185.8![]() | 167![]() | 147.5![]() | 141.7![]() |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
fig.5 monthly mean sunshine duration
monthly sunshine percentage
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
Percentage (%) | 28 | 27 | 23 | 30 | 36 | 39 | 59 | 60 | 50 | 47 | 46 | 44 |

Weather forecast is provided by China Meteorological Administration.
Climate information is based on monthly averages for 30-year period of 1971-2000.
Precipitation includes both rain and snow.
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