December weather forecastHeyuan, China
December
Weather in December
December marks the arrival of winter in full force in Heyuan. Following November, December experiences even colder temperatures, inducing the spirit of winter festivities. The sky welcomes more sunshine hours, creating a beautiful contrast with the cold environment. The month signifies the year’s end and is often celebrated with various cultural activities and events. Amid the cold temperatures, the city dresses in dazzling holiday lights, providing warmth and cheer to the winter chill.Temperature
December in Heyuan suggests a modest reduction in the average high-temperature, shifting from a warm 23.8°C (74.8°F) in November to a refreshing 18.1°C (64.6°F). Heyuan, during the nights of December, experiences an average temperature drop to a chilly 9°C (48.2°F).Humidity
December is the least humid month, with an average relative humidity of 71%.Rainfall
December is the month with the least rainfall in Heyuan. Rain falls for 9.5 days and accumulates 29mm (1.14") of precipitation.Snowfall
In Heyuan, snow does not fall in February through December.Daylight
With an average of 10h and 42min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 06:46 and sunset at 17:33. On the last day of the month, sunrise is at 07:03 and sunset at 17:45 CST.
Sunshine
In December, the average sunshine in Heyuan is 5.9h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 3 transforms into these recommendations:
Exercise prevention - Warding off sunburn is urged. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Heyuan, China
- Average high temperature in December: 18.1°C
The warmest months (with the highest average high temperature) are July and August (31.8°C).
The month with the lowest average high temperature is January (17.5°C).
- Average low temperature in December: 9°C
The months with the highest average low temperature are July and August (23.8°C).
The coldest month (with the lowest average low temperature) is January (8.6°C).
Average pressure in December
Heyuan, China
- Average pressure in December: 1021.4mbar
The month with the highest atmospheric pressure is January (1021.9mbar).
The month with the lowest atmospheric pressure is August (1005.3mbar).
Average wind speed in December
Heyuan, China
- Average wind speed in December: 7.8km/h
The windiest month (with the highest average wind speed) is December (7.8km/h).
The calmest month (with the lowest average wind speed) is August (5.4km/h).
Average humidity in December
Heyuan, China
- Average humidity in December: 71%
The month with the highest relative humidity is June (86%).
The month with the lowest relative humidity is December (71%).
Average rainfall in December
Heyuan, China
- Average rainfall in December: 29mm
The wettest month (with the highest rainfall) is May (201mm).
The driest month (with the least rainfall) is December (29mm).
Average rainfall days in December
Heyuan, China
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is August (26.3 days).
The month with the least rainy days is December (9.5 days).
Average snowfall days in December
Heyuan, China
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Heyuan, China
- Average daylight in December: 10h and 42min
The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 42min).
- Average sunshine in December: 5h and 54min
The months with the most sunshine are July and August (Average sunshine: 9h and 6min).
The month with the least sunshine is March (Average sunshine: 5h and 0min).
Average sunshine days in December
Heyuan, China
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is December (20.1 days).
The month with the least sunshine days is August (2.9 days).
Average UV index in December
Heyuan, China
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Heyuan, China
- Average cloud cover in December: 37
The month with the most cloud cover is March (Cloud cover 62).
The month with the least cloud cover is October (Cloud cover 33).
Average visibility in December
Heyuan, China
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, October, November and December (9km).
The months with the lowest visibility are May and June (7km).
