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
Rivery's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's cool 10°C (50°F) to a frosty 6.8°C (44.2°F). An average low-temperature of 2.7°C (36.9°F) is witnessed throughout the month of December, a mere drop from the daytime peak.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 88%.Rainfall
December is the month with the most rainfall. Rain falls for 14.2 days and accumulates 43mm (1.69") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Rivery, during December, snow falls for 1.3 days and regularly aggregates up to 11mm (0.43") of snow. Throughout the year, there are 7.1 snowfall days, and 38mm (1.5") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 08:27 and sunset at 16:52. On the last day of December, sunrise is at 08:48 and sunset at 16:59 CET.
Sunshine
The average sunshine in December is 4h.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 unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Rivery?
What are the most humid months in Rivery?
What is the average humidity in December in Rivery?
What is the rainiest month in Rivery?
How much does it rain in Rivery in December?
How many days does it snow in December in Rivery?
What is the month with the shortest days in Rivery?
What is the average length of the day in December in Rivery?
What time are sunrise and sunset in December in Rivery?
How long on average sun shines in December in Rivery?
What is the month with the lowest UV index in Rivery?
What is the UV index reading in December in Rivery?
Average temperature in December
Rivery, France
- Average high temperature in December: 6.8°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 2.7°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in December
Rivery, France
- Average pressure in December: 1017mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in December
Rivery, France
- Average wind speed in December: 17.9km/h
The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).
Average humidity in December
Rivery, France
- Average humidity in December: 88%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Rivery, France
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is December (43mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in December
Rivery, France
- Average rainfall days in December: 14.2 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is September (11.3 days).
Average snowfall in December
Rivery, France
- Average snowfall in December: 11mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Rivery, France
- Average snowfall days in December: 1.3 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
Rivery, France
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is June (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Rivery, France
- Average sunshine days in December: 12.1 days
The month with the most sunshine days is March (15.1 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in December
Rivery, France
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Rivery, France
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in December
Rivery, France
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
