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
December's onset corresponds with a shift in the average high-temperature, moving from a cool 12.2°C (54°F) in November to an icy 5.6°C (42.1°F). Nighttime temperatures in Heyang consistently average a freezing cold -2.7°C (27.1°F) during December.Humidity
In December, the average relative humidity is 42%.Rainfall
December is the month with the least rainfall. Rain falls for 1.3 days and accumulates 1mm (0.04") of precipitation.Snowfall
Months with snowfall are January, February, April, November and December. In Heyang, during December, snow falls for 1.1 days and regularly aggregates up to 3mm (0.12") of snow. In Heyang, during the entire year, snow falls for 8.3 days and aggregates up to 61mm (2.4") of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of December in Heyang, sunrise is at 07:29 and sunset at 17:27. On the last day of the month, sunrise is at 07:47 and sunset at 17:37 CST.
Sunshine
In December, the average sunshine is 7.1h.UV index
January, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the average humidity in December?
What is the driest month?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Heyang have in December?
When are sunrise and sunset in December in Heyang?
How many hours of sunshine does Heyang have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Heyang, China
- Average high temperature in December: 5.6°C
The warmest month (with the highest average high temperature) is July (32.7°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in December: -2.7°C
The month with the highest average low temperature is July (21.8°C).
The coldest month (with the lowest average low temperature) is January (-4.5°C).
Average pressure in December
Heyang, China
- Average pressure in December: 1028.8mbar
The months with the highest atmospheric pressure are January and December (1028.8mbar).
The month with the lowest atmospheric pressure is July (1004.5mbar).
Average wind speed in December
Heyang, China
- Average wind speed in December: 8.8km/h
The windiest month (with the highest average wind speed) is March (10.7km/h).
The calmest month (with the lowest average wind speed) is January (8.2km/h).
Average humidity in December
Heyang, China
- Average humidity in December: 42%
The month with the highest relative humidity is September (63%).
The month with the lowest relative humidity is March (40%).
Average rainfall in December
Heyang, China
- Average rainfall in December: 1mm
The wettest month (with the highest rainfall) is August (51mm).
The driest month (with the least rainfall) is December (1mm).
Average rainfall days in December
Heyang, China
- Average rainfall days in December: 1.3 days
The month with the highest number of rainy days is July (12.1 days).
The month with the least rainy days is January (1.1 days).
Average snowfall in December
Heyang, China
- Average snowfall in December: 3mm
The month with the highest snowfall is February (26mm).
The months with the least snowfall are March, May, June, July, August, September and October (0mm).
Average snowfall days in December
Heyang, China
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (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
Heyang, China
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 7h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).
Average sunshine days in December
Heyang, China
- Average sunshine days in December: 29 days
The month with the most sunshine days is December (29 days).
The month with the least sunshine days is July (16.6 days).
Average UV index in December
Heyang, China
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in December
Heyang, China
- Average cloud cover in December: 17
The month with the most cloud cover is September (Cloud cover 34).
The month with the least cloud cover is December (Cloud cover 17).
Average visibility in December
Heyang, China
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
