December weather forecastGuyuan, China
December
Weather in December
December, the last month of the year, is characterized by a complete emergence of winter conditions in Guyuan. The average low temperature drops to -7.8°C (18°F), only a small drop from November but a significant departure from the mild October temperatures. Most winter days are bright and clear, leading to increasing hours of daily sunshine. The high-pressure system envelops the region, bringing lower relative humidity levels. The snowfall recorded during this time contributes to the city's mesmerizing winter charm.Temperature
In the transition to December, Guyuan observes a drop in the average high-temperature, moving from a wintry 5.7°C (42.3°F) in November to a subzero cold -0.4°C (31.3°F). In Guyuan, December's nights observe an average temperature dip to a still freezing cold -7.8°C (18°F).Humidity
The average relative humidity in December in Guyuan, China, is 48%.Rainfall
December is the month with the least rainfall in Guyuan. Rain falls for 1.5 days and accumulates 1mm (0.04") of precipitation.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 2.3 days. Throughout December, 6mm (0.24") of snow is accumulated. Throughout the year, in Guyuan, there are 20.9 snowfall days, and 202mm (7.95") of snow is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:47 and sunset at 17:40. On the last day of December, sunrise is at 08:05 and sunset at 17:50 CST.
Sunshine
The average sunshine in December is 7.3h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 2 during December translates into the following guidance:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Guyuan, China
- Average high temperature in December: -0.4°C
The warmest month (with the highest average high temperature) is July (25.4°C).
The month with the lowest average high temperature is January (-1.8°C).
- Average low temperature in December: -7.8°C
The month with the highest average low temperature is July (16.3°C).
The coldest month (with the lowest average low temperature) is January (-9.8°C).
Average pressure in December
Guyuan, China
- Average pressure in December: 1029.1mbar
The month with the highest atmospheric pressure is December (1029.1mbar).
The month with the lowest atmospheric pressure is July (1005.2mbar).
Average wind speed in December
Guyuan, China
- Average wind speed in December: 11.5km/h
The windiest month (with the highest average wind speed) is May (14.6km/h).
The calmest month (with the lowest average wind speed) is January (10.7km/h).
Average humidity in December
Guyuan, China
- Average humidity in December: 48%
The month with the highest relative humidity is September (63%).
The month with the lowest relative humidity is April (41%).
Average rainfall in December
Guyuan, China
- Average rainfall in December: 1mm
The wettest month (with the highest rainfall) is August (65mm).
The driest month (with the least rainfall) is December (1mm).
Average rainfall days in December
Guyuan, China
- Average rainfall days in December: 1.5 days
The month with the highest number of rainy days is August (12.7 days).
The month with the least rainy days is December (1.5 days).
Average snowfall in December
Guyuan, China
- Average snowfall in December: 6mm
The month with the highest snowfall is February (49mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Guyuan, China
- Average snowfall days in December: 2.3 days
The months with the highest number of snowfall days are January and March (4.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Guyuan, China
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 7h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is November (Average sunshine: 7h and 0min).
Average sunshine days in December
Guyuan, China
- Average sunshine days in December: 28.4 days
The month with the most sunshine days is December (28.4 days).
The month with the least sunshine days is September (15.9 days).
Average UV index in December
Guyuan, China
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Guyuan, China
- Average cloud cover in December: 16
The month with the most cloud cover is September (Cloud cover 31).
The month with the least cloud cover is December (Cloud cover 16).
Average visibility in December
Guyuan, 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).





