Climate and monthly weather forecastChangshu, China
Climate and monthly weather forecast
The climate of Changshu
Changshu, a picturesque city in China, is characterized by a humid subtropical climate (Cfa) according to the Köppen climate classification. This predominant climate posits a weather pattern typically with no dry season, and an annual shift in weather conditions is relatively uniform, making it an interesting study for climate analysis.When it comes to temperature, Changshu experiences a broad spectrum over the course of the year. February witnesses the coldest temperatures throughout the year ranging between a chilly 2.2°C (36°F) and 10.1°C (50.2°F). On the other end of the spectrum, temperatures undergo a drastic rise by August, recording an average high of 31.8°C (89.2°F) and a low of 24.7°C (76.5°F).
The city records a fairly consistent humidity value throughout the year, with minor fluctuations. Humidity reaches its peak from June to September with 81% only to fall to 64% by December. Concurrently, pressure, visibility, and wind speed undergo minimal changes across the year, maintaining a relatively consistent pattern.
Rainfall appears to peak during the summer months, with the highest recorded rainfall from June to August. In stark contrast, snowfall occurs primarily in the winter months, notably in January and December. The cloud cover over Changshu fluctuates between 42% and 47%, contributing to a mixed landscape of clear skies and cloud formations.
The best time to visit Changshu
Considering the above climatic findings, the best time to visit Changshu would be from April to October. During this period, temperatures range from 20.8°C (69.4°F) up to 31.8°C (89.2°F), offering warm and pleasant weather conditions for outdoor activities and exploration. Rainfall is moderate during these months, reducing the chances of weather-related disruptions.The worst time to visit Changshu
On the contrary, winter months, particularly January and February, might not be ideal for planning a trip to Changshu. During this time, temperatures can drop as low as 2.2°C (36°F), coupled with a noticeable amount of snowfall. These cold temperatures and adverse weather conditions might prove challenging for outdoor activities.Spring weather in Changshu
Spring in Changshu extends from March to May, offering mild weather conditions and a respite from the chilly winter. Temperature levels rise steadily from 14.8°C (58.6°F) in March to 26.3°C (79.3°F) in May. Humidity also begins to rise steadily in spring, signaling the approaching summer season.Summer weather in Changshu
Summer in Changshu is characterized by hot temperatures, high humidity and a noticeable increase in rainfall. From June to August, temperatures can soar up to 31.8°C (89.2°F) along with experiencing the highest humidity levels of around 81%. Rainfall is high during these months, influencing the overall weather conditions.Autumn weather in Changshu
Autumn is considered a transitional period in Changshu's seasonal cycle, with temperatures slowly falling from 27.1°C (80.8°F) in September to 17.1°C (62.8°F) in November. Humidity levels recede alongside the falling temperatures, making the autumn months relatively comfortable.Winter weather in Changshu
In sharp contrast to summer, winter introduces cold temperatures and snowfall. The winter season spans from December to February, with temperatures ranging from lows of 2.2°C (36°F) to highs of 10.2°C (50.4°F). Snowfall is primarily observed in January and December, adding a distinct charm to the Changshu landscape despite the cold.Weather in January
January ushers in the new year in Changshu, China, with cool temperatures and a wintry chill in the air. This is when the city experiences the coldest month of the year, with the lowest recorded temperature falling to 2.2°C (36°F) and the highest amount of snowfall reported at 8mm (0.31"). Weather in January »Weather in February
February in Changshu, China continues the wintry ambiance of January but brings a slight increase in temperatures. Unfortunately, this is also followed by a rise in the levels of relative humidity, from 67% in January to 71%, making the weather feel colder than it is. Weather in February »Weather in March
With spring knocking on the door, March comes with a warmer weather pattern in Changshu, China. Temperatures rise notably, reaching up to 14.8°C (58.6°F) as spring emerges. The extended daylight hours coupled with 12km (7.5mi) visibility on average further enhance the beauty of blossoming flowers throughout the city. Weather in March »Weather in April
As April arrives, so does the full bloom of spring in Changshu, China. The city enjoys a comfortable climate with an increase in temperature that peaks to 20.8°C (69.4°F). The growing warmth starts to invigorate the city as the cool winds of March start settling down. Weather in April »Weather in May
May introduces the early signs of summer in Changshu, China. The weather becomes noticeably hotter, with temperatures extending up to 26.3°C (79.3°F). A fascinating feature of May's climate is the dramatic surge in rainfall, which almost doubles from April, setting the stage for a wet summer season. Weather in May »Weather in June
June represents the height of summer in Changshu, China, with strikingly high temperatures that rise to 28.8°C (83.8°F). A significant attribute of June's weather is the remarkable increase in precipitation, highlighting it as a month bearing the highest rainfall of the year. Weather in June »Weather in July
Deep into the throes of summer, July brings the peak of hot weather to Changshu, China. This time of year the city experiences not only the hottest temperatures, with a high reaching 31.6°C (88.9°F), but also the highest levels of relative humidity at 81%. Weather in July »Weather in August
Heading into the last summer month, August maintains the same high temperatures as July in Changshu, China with highs reaching about 31.8°C (89.2°F). However, the city encounters a slight dip in precipitation, indicating the gradual return to drier conditions. Weather in August »Weather in September
September in Changshu, China begins the descent from summer's peak with temperatures that are more tolerable than the previous months. The city greets the early fall with a noticeable decrease in rainfall from August, marking the transition from the wet summer season. Weather in September »Weather in October
Following September's warmth, October introduces the calming feel of autumn in Changshu, China. The weather continues its cooling trajectory with temperatures that are significantly cooler than the preceding month. A noted feature is the drastic reduction in rainfall, with precipitation reaching one of the lowest levels for the year. Weather in October »Weather in November
November signals the emergence of winter in Changshu, China, with temperatures that continue to drop. One distinguishing characteristic of November is the significant reduction of daylight hours, indicating the onset of shorter days and longer nights. Weather in November »Weather in December
Concluding the climatological year, December showcases traditional winter weather in Changshu, China. The temperatures drop even further compared to November, with the coldest weather of the year making a comeback. Intriguingly, snowfall makes its return, adding a festive touch to the holiday season. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Changshu, China
The warmest month (with the highest average high temperature) is August (31.8°C).
The month with the lowest average high temperature is January (8°C).
The month with the highest average low temperature is August (24.7°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure
Changshu, China
- Average pressure in January:
1027.4mbar - Average pressure in February:
1024.5mbar - Average pressure in March:
1021mbar - Average pressure in April:
1015.7mbar - Average pressure in May:
1010.9mbar - Average pressure in June:
1006.1mbar
- Average pressure in July:
1004.8mbar - Average pressure in August:
1006mbar - Average pressure in September:
1012.9mbar - Average pressure in October:
1019.5mbar - Average pressure in November:
1023mbar - Average pressure in December:
1026.6mbar
The month with the highest atmospheric pressure is January (1027.4mbar).
The month with the lowest atmospheric pressure is July (1004.8mbar).
Average wind speed
Changshu, China
- Average wind speed in January:
12.3km/h - Average wind speed in February:
12.9km/h - Average wind speed in March:
12.8km/h - Average wind speed in April:
12.4km/h - Average wind speed in May:
12.3km/h - Average wind speed in June:
11.1km/h
- Average wind speed in July:
10.7km/h - Average wind speed in August:
11.3km/h - Average wind speed in September:
10.6km/h - Average wind speed in October:
11.4km/h - Average wind speed in November:
12.1km/h - Average wind speed in December:
12.8km/h
The windiest month (with the highest average wind speed) is February (12.9km/h).
The calmest month (with the lowest average wind speed) is September (10.6km/h).
Average humidity
Changshu, China
The months with the highest relative humidity are July, August and September (81%).
The month with the lowest relative humidity is December (64%).
Average rainfall
Changshu, China
The wettest month (with the highest rainfall) is July (98mm).
The driest month (with the least rainfall) is October (17mm).
Average rainfall days
Changshu, China
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
9.4 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
10.2 days - Average rainfall days in May:
10.2 days - Average rainfall days in June:
15.4 days
- Average rainfall days in July:
19.6 days - Average rainfall days in August:
19.1 days - Average rainfall days in September:
15.5 days - Average rainfall days in October:
8.3 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
7.3 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is December (7.3 days).
Average snowfall
Changshu, China
The month with the highest snowfall is February (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Changshu, China
- Average snowfall days in January:
2.1 days - Average snowfall days in February:
1.5 days - Average snowfall days in March:
0.3 days - Average snowfall days in April:
0 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 days - Average snowfall days in December:
1 days
The month with the highest number of snowfall days is January (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Changshu, China
- Average daylight in January:
10h and 24min - Average daylight in February:
11h and 6min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 48min - Average daylight in June:
14h and 12min
- Average daylight in July:
14h and 0min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 36min - Average daylight in December:
10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January:
5h and 6min - Average sunshine in February:
4h and 54min - Average sunshine in March:
7h and 6min - Average sunshine in April:
9h and 0min - Average sunshine in May:
8h and 54min - Average sunshine in June:
8h and 12min
- Average sunshine in July:
8h and 54min - Average sunshine in August:
9h and 36min - Average sunshine in September:
7h and 54min - Average sunshine in October:
6h and 36min - Average sunshine in November:
5h and 18min - Average sunshine in December:
5h and 36min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days
Changshu, China
- Average sunshine days in January:
20.5 days - Average sunshine days in February:
16.5 days - Average sunshine days in March:
17.8 days - Average sunshine days in April:
18 days - Average sunshine days in May:
18.3 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
9 days - Average sunshine days in August:
9.3 days - Average sunshine days in September:
11.2 days - Average sunshine days in October:
20.8 days - Average sunshine days in November:
18.6 days - Average sunshine days in December:
22.1 days
The month with the most sunshine days is December (22.1 days).
The month with the least sunshine days is July (9 days).
Average UV index
Changshu, China
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover
Changshu, China
The month with the most cloud cover is June (Cloud cover 49).
The month with the least cloud cover is December (Cloud cover 34).
Average visibility
Changshu, China
The months with the highest visibility are March, October, November and December (10km).
The months with the lowest visibility are July, August and September (8km).





