December weather forecastDongguan, China
December
Weather in December
Diminishes temperature and shortening daylight hours signal the arrival of winter in December in Dongguan. The weather grows cooler, while the humidity drops to its lowest for the year. Even if outdoor activities are restrained by the decrease in temperatures, residents enjoy clear skies and ample sunshine during daylight hours. A record low average rainfall of 10mm (0.39") characterizes December, making it one of the driest months alongside January.Temperature
December involves a decrease in temperature, down from a warm 25.5°C (77.9°F) in November to an agreeable 20.1°C (68.2°F). In December, Dongguan experiences an average nighttime temperature of 12.7°C (54.9°F).Humidity
With an average relative humidity of 63%, December is the least humid month in Dongguan.Rainfall
In Dongguan, in December, during 7.1 rainfall days, 10mm (0.39") of precipitation is typically accumulated. Throughout the year, there are 178.4 rainfall days, and 559mm (22.01") of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 48min of daylight.On the first day of December in Dongguan, sunrise is at 06:49 and sunset at 17:38. On the last day of the month, sunrise is at 07:05 and sunset at 17:50 CST.
Sunshine
In December, the average sunshine in Dongguan is 5.5h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In December, the UV index of 4 transforms into the following advice:
Make use of precautions - Suggestions to resist sunburn are communicated. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dongguan, China
- Average high temperature in December: 20.1°C
The warmest month (with the highest average high temperature) is August (33.8°C).
The month with the lowest average high temperature is January (18.8°C).
- Average low temperature in December: 12.7°C
The month with the highest average low temperature is August (27°C).
The coldest month (with the lowest average low temperature) is January (12.3°C).
Average pressure in December
Dongguan, China
- Average pressure in December: 1020.6mbar
The month with the highest atmospheric pressure is January (1021.2mbar).
The month with the lowest atmospheric pressure is August (1004.9mbar).
Average wind speed in December
Dongguan, China
- Average wind speed in December: 9.3km/h
The windiest month (with the highest average wind speed) is June (10km/h).
The calmest month (with the lowest average wind speed) is September (7.9km/h).
Average humidity in December
Dongguan, China
- Average humidity in December: 63%
The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is December (63%).
Average rainfall in December
Dongguan, China
- Average rainfall in December: 10mm
The wettest month (with the highest rainfall) is May (113mm).
The driest month (with the least rainfall) is January (9mm).
Average rainfall days in December
Dongguan, China
- Average rainfall days in December: 7.1 days
The month with the highest number of rainy days is June (23.8 days).
The month with the least rainy days is December (7.1 days).
Average daylight in December /
Average sunshine in December
Dongguan, China
- Average daylight in December: 10h and 48min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in December: 5h and 30min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is March (Average sunshine: 4h and 30min).
Average sunshine days in December
Dongguan, China
- Average sunshine days in December: 22 days
The month with the most sunshine days is December (22 days).
The month with the least sunshine days is June (5.1 days).
Average UV index in December
Dongguan, China
- Average UV index in December: 4
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in December
Dongguan, China
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 64).
The month with the least cloud cover is October (Cloud cover 35).
Average visibility in December
Dongguan, 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 April, May, June, July, August and September (9km).





