Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
As December commences, the average high-temperature shows a reduction, transitioning from a mild 15.4°C (59.7°F) in November to a frosty 8.5°C (47.3°F). Throughout the month of December, Yancheng reports a steady low-temperature average of 1.7°C (35.1°F).Humidity
January and December, with an average relative humidity of 62%, are the least humid months.Rainfall
In Yancheng, in December, it is raining for 5.5 days, with typically 17mm (0.67") of accumulated precipitation. Throughout the year, there are 118.5 rainfall days, and 474mm (18.66") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Yancheng, during December, snow falls for 0.8 days and regularly aggregates up to 2mm (0.08") of snow. In Yancheng, during the entire year, snow falls for 7 days and aggregates up to 45mm (1.77") of snow.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 06:45 and sunset at 16:51. On the last day of the month, sunrise is at 07:02 and sunset at 17:01 CST.
Sunshine
In Yancheng, the average sunshine in December is 5.8h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What are the least humid months?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December in Yancheng?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Yancheng, China
- Average high temperature in December: 8.5°C
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).
- Average low temperature in December: 1.7°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 in December
Yancheng, China
- 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 in December
Yancheng, China
- 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 in December
Yancheng, China
- Average humidity in December: 62%
The month with the highest relative humidity is August (86%).
The months with the lowest relative humidity are January and December (62%).
Average rainfall in December
Yancheng, China
- Average rainfall in December: 17mm
The wettest month (with the highest rainfall) is July (118mm).
The driest month (with the least rainfall) is January (12mm).
Average rainfall days in December
Yancheng, China
- 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 in December
Yancheng, China
- Average snowfall in December: 2mm
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 in December
Yancheng, China
- 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 in December /
Average sunshine in December
Yancheng, China
- 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 December: 5h and 5min
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 in December
Yancheng, China
- 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 in December
Yancheng, 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, February and December (UV index 2).
Average cloud cover in December
Yancheng, China
- Average cloud cover in December: 32
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 in December
Yancheng, China
- Average visibility in December: 10km
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).
