Climate and monthly weather forecastYancheng, China
Yancheng, China - Climate and weather forecast by month. Detailed climate information with charts - average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data. Across the year, temperatures exhibit a variable trend, with the warmest month being July with a high of 30.7°C (87.3°F) and the coolest in January with the thermometer dropping to -0.3°C (31.5°F) on average. Contrastingly, the peak summer months, namely July and August, are less favourable for visiting due to heavy rainfall, high humidity, and maximum average temperatures reaching up to 30°C (86°F).
Climate and monthly weather forecast
The climate of Yancheng
Yancheng, located in eastern China, is associated with a Humid Subtropical climate, categorised as Cwa under the Köppen climate classification. The city experiences a dry winter, differentiating it from typical coastal cities. Across the year, temperatures exhibit a variable trend, with the warmest month being July with a high of 30.7°C (87.3°F) and the coolest in January with the thermometer dropping to -0.3°C (31.5°F) on average.Talking about precipitation, Yancheng sees a substantial amount of rainfall throughout the year, and a relatively drier spell during winter months. Specifically, rainfall amounts range from 102mm (4.02") to 118mm (4.65") during the monsoon months of July and August, while reducing to as low as 12mm (0.47") in January and 16mm (0.63") in February. The city experiences the most rainfall days in July (20.9), whereas the least occur in January (4.8). The winter months of January and February also witness minor snowfall, with respective levels of 13mm (0.51") and 26mm (1.02").
Humidity levels in Yancheng maintain a moderate-to-high range of 62% to 86%, with the highest levels witnessed in August. Sunshine duration also shows considerable yearly variation, being the highest in May and June with 14.3 hours, and the least in December with 10 hours. City experiences stable visibility of 10km (6.2mi) throughout the year except for rainy months when it decreases slightly. The average daylight hours range from 10.2 hours in January to 14.3 hours in June.
The best time to visit Yancheng
Given the city's regional climate assessment and weather pattern tendencies, the best time to visit Yancheng would be during late spring or early autumn. This period aligns with the months of April and October when the city witnesses a gentler climate. During this time, average temperatures hover around 14.3-22.1°C (-7.8°F), and rainfall remains at a comfortable 18mm (0.71") to 20mm (0.79") without snowfall, making it suitable for outdoor activities and sightseeing.The worst time to visit Yancheng
Contrastingly, the peak summer months, namely July and August, are less favourable for visiting due to heavy rainfall, high humidity, and maximum average temperatures reaching up to 30°C (86°F). Similarly, winter visits in January and February might prove uncomfortable due to colder temperatures and the presence of snowfall.Spring Weather in Yancheng
Spring in Yancheng spans from March to May, and is characterized by moderate temperatures and an increased daylight duration. Temperatures move from 14.3°C (57.7°F) in March to a high of 26.3°C (79.3°F) in May. Although it starts getting warmer, April and May also witness occasional rainfall, averaging about 18mm (0.71") and 36mm (1.42") respectively. Moreover, humidity is moderate going up to 67%.Summer Weather in Yancheng
Starting from June and extending to August, summer in Yancheng is humid and hot, with temperatures reaching an average high of 30°C (86°F). The region also sees the peak of its rainy season, especially in July, with rainfall levels reaching 118mm (4.65"). Yet, despite these conditions, the city also enjoys the longest daylight hours during this season, reaching 14.3 hours in June.Autumn Weather in Yancheng
With temperatures dropping to an average of 22.1°C (71.8°F) in October, autumn in Yancheng is considered relatively pleasant. Rainfall levels also decrease, marking the beginning of the dry winter phase. Despite the fall in temperature, the daylight hours remain relatively high at 11.4 hours, ensuring comfortable sightseeing opportunities.Winter Weather in Yancheng
Lastly, winter in Yancheng is quite distinctive, marked with low temperatures and minor snowfall. Average high temperatures fall to a cold 6.6°C (43.9°F) in January, while the average low goes down to -0.3°C (31.5°F). Furthermore, January and February are the only months that witness snowfall, contributing to the typically chilly conditions of this particular season.Weather in January
January in Yancheng, China, ushers in the New Year with cold temperatures and a palpable sense of chill in the air. A noteworthy feature of this month is the high relative humidity, which averages at 62% considering it is winter. Weather in January »Weather in February
As winter continues into February, Yancheng experiences a slight ascendance in temperatures, making it marginally warmer than January. The city receives a higher amount of precipitation in this month, averaging at 16mm (0.63"). Weather in February »Weather in March
March marks the advent of spring in Yancheng with a discernible shift in weather conditions. One noticeable aspect is that there is a decrease in snowfall with only 1mm (0.04") falling, indicating the impending end of the winter season. Weather in March »Weather in April
April brings the full bloom of spring to Yancheng, and winter seems like a distant memory. The temperature demonstrates a notable climb, reaching up to 20.5°C (68.9°F) during daytime. The month also sees an increase in rainfall as the earth rejuvenates itself for the upcoming summer. Weather in April »Weather in May
May in Yancheng is the bridge between the pleasant spring and the approaching hot summer. The thermometer readings confirm the arrival of summer with temperatures soaring to 26.3°C (79.3°F). The city witnesses a surge in outdoor activities as daylight hours become significantly longer. Weather in May »Weather in June
June turns up the heat in Yancheng setting the stage for a typical summer. Rainfall is at its peak, recording 63mm (2.48"), making this the wettest month of the year for the city. Some residents may indulge in indoor activities to evade the scorching summer heat. Weather in June »Weather in July
July in Yancheng hits high summer with temperatures being the hottest and often uncomfortable, soaring to an average of 30.7°C (87.3°F). Open spaces simmer under the intense heat and the days are generously long. With near-constant high humidity, it is advisable for the residents to stay hydrated. Weather in July »Weather in August
August continues Yancheng’s tryst with summer. The theatrics of the weather tone down a little in terms of temperature, lowering to an average of 30.2°C (86.4°F). The skyline remains mostly cloudy, crafting a soft contrast to the clear blue skies of the previous months. Weather in August »Weather in September
September in Yancheng marks the fall transition from the torrid summer with the colors of autumn painting the town. Temperature levels take a dip, breaking free from the summer highs and settling at 26.1°C (79°F). Outdoor activities are in favor, thanks to the comfortable weather beckoning locals and tourists alike. Weather in September »Weather in October
October in Yancheng is a harbinger of the upcoming winter. The climate is mild and pleasant, with a further drop in temperatures complementing the festive spirit of the month. Largely dry weather prevails with occasional spells of rain adding to the nip in the air. Weather in October »Weather in November
November steers Yancheng further into the fall and prepares for the arrival of winter. The monthly average lower temperature dips to 8°C (46.4°F), offering noticeable relief from the previous month's warmth. November marks the passage into a new phase with the trees shedding leaves and a drop in daylight hours. Weather in November »Weather in December
December in Yancheng confirms the onset of winter with the year ending on a cold note. Snowfall returns, albeit in small amounts, signaling the start of a fresh snow cycle. It is the month when everyone wraps themselves up in layers and the cityscape is marked by the stark contrast of white snow against the dull grey skies. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Yancheng, China
The warmest month (with the highest average high temperature) is July (30.7°C).
The month with the lowest average high temperature is January (6.6°C).
The month with the highest average low temperature is July (23.2°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure
Yancheng, China
- Average pressure in January:
1028mbar - Average pressure in February:
1025.1mbar - Average pressure in March:
1021.3mbar - Average pressure in April:
1015.9mbar - Average pressure in May:
1010.8mbar - Average pressure in June:
1006.1mbar
- Average pressure in July:
1004.6mbar - Average pressure in August:
1006.4mbar - Average pressure in September:
1013.7mbar - Average pressure in October:
1020.3mbar - Average pressure in November:
1023.6mbar - Average pressure in December:
1027mbar
The month with the highest atmospheric pressure is January (1028mbar).
The month with the lowest atmospheric pressure is July (1004.6mbar).
Average wind speed
Yancheng, China
- Average wind speed in January:
11.6km/h - Average wind speed in February:
12.8km/h - Average wind speed in March:
13.2km/h - Average wind speed in April:
12.8km/h - Average wind speed in May:
12.3km/h - Average wind speed in June:
11.5km/h
- Average wind speed in July:
10.7km/h - Average wind speed in August:
10.8km/h - Average wind speed in September:
10km/h - Average wind speed in October:
10.5km/h - Average wind speed in November:
11.5km/h - Average wind speed in December:
11.8km/h
The windiest month (with the highest average wind speed) is March (13.2km/h).
The calmest month (with the lowest average wind speed) is September (10km/h).
Average humidity
Yancheng, China
The month with the highest relative humidity is August (86%).
The months with the lowest relative humidity are January and December (62%).
Average rainfall
Yancheng, China
The wettest month (with the highest rainfall) is July (118mm).
The driest month (with the least rainfall) is January (12mm).
Average rainfall days
Yancheng, China
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
6.6 days - Average rainfall days in March:
7.5 days - Average rainfall days in April:
9.3 days - Average rainfall days in May:
9 days - Average rainfall days in June:
11.6 days
- Average rainfall days in July:
20.9 days - Average rainfall days in August:
18.8 days - Average rainfall days in September:
11 days - Average rainfall days in October:
6.2 days - Average rainfall days in November:
7.3 days - Average rainfall days in December:
5.5 days
The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is January (4.8 days).
Average snowfall
Yancheng, China
The month with the highest snowfall is February (26mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
Yancheng, China
- Average snowfall days in January:
2.8 days - Average snowfall days in February:
2.6 days - Average snowfall days in March:
0.4 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.3 days - Average snowfall days in December:
0.8 days
The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Yancheng, China
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 54min - Average daylight in June:
14h and 18min
- Average daylight in July:
14h and 6min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 30min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
5h and 54min - Average sunshine in February:
5h and 12min - Average sunshine in March:
7h and 48min - Average sunshine in April:
9h and 30min - Average sunshine in May:
9h and 18min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
8h and 48min - Average sunshine in August:
8h and 54min - Average sunshine in September:
8h and 6min - Average sunshine in October:
6h and 30min - Average sunshine in November:
5h and 36min - Average sunshine in December:
5h and 48min
The month with the most sunshine is April (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days
Yancheng, China
- Average sunshine days in January:
24 days - Average sunshine days in February:
18.8 days - Average sunshine days in March:
22.3 days - Average sunshine days in April:
19.3 days - Average sunshine days in May:
20.3 days - Average sunshine days in June:
16.3 days
- Average sunshine days in July:
8.4 days - Average sunshine days in August:
9.6 days - Average sunshine days in September:
16.2 days - Average sunshine days in October:
23.3 days - Average sunshine days in November:
21.4 days - Average sunshine days in December:
24.3 days
The month with the most sunshine days is December (24.3 days).
The month with the least sunshine days is July (8.4 days).
Average UV index
Yancheng, China
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Yancheng, China
The month with the most cloud cover is July (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility
Yancheng, China
The months with the highest visibility are January, February, March, October, November and December (10km).
The months with the lowest visibility are July, August and September (8km).





