December weather forecastChangshu, China
December
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. Alongside, the drop in relative humidity and the clear visibility of 10km (6.2mi) ensure a refreshing, crisp air quality. As the year ends, the city lights up in all its glory, ready to ring in the New Year in the midst of winter chill.Temperature
During the transition into December, Changshu observes a decrease in the average high-temperature, falling from a refreshing 17.1°C (62.8°F) in November to a fresh 10.2°C (50.4°F). Nighttime temperatures in Changshu consistently average a cold 4.5°C (40.1°F) during December.Humidity
December is the least humid month in Changshu, with an average relative humidity of 64%.Rainfall
In December, in Changshu, the rain falls for 7.3 days. Throughout December, 23mm (0.91") of precipitation is accumulated. In Changshu, during the entire year, the rain falls for 143.2 days and collects up to 487mm (19.17") of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows in Changshu, China. Throughout December, in the average 1 snowfall days, it receives 7mm (0.28") of snow. Throughout the year, there are 4.9 snowfall days, and 30mm (1.18") of snow is accumulated.Daylight
December has the shortest days of the year in Changshu, with an average of 10h and 6min of daylight.On the first day of December, sunrise is at 06:38 and sunset at 16:53. On the last day of the month, sunrise is at 06:56 and sunset at 17:03 CST.
Sunshine
The average sunshine in December is 5.6h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Changshu, China
- Average high temperature in December: 10.2°C
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).
- Average low temperature in December: 4.5°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 in December
Changshu, China
- 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 in December
Changshu, China
- 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 in December
Changshu, China
- Average humidity in December: 64%
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 in December
Changshu, China
- Average rainfall in December: 23mm
The wettest month (with the highest rainfall) is July (98mm).
The driest month (with the least rainfall) is October (17mm).
Average rainfall days in December
Changshu, China
- 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 in December
Changshu, China
- Average snowfall in December: 7mm
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 in December
Changshu, China
- 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 in December /
Average sunshine in December
Changshu, China
- 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 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 in December
Changshu, China
- 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 in December
Changshu, China
- Average UV index in December: 2
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 in December
Changshu, China
- Average cloud cover in December: 34
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 in December
Changshu, China
- Average visibility in December: 10km
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).
