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
Weather in December
Temperature
December is characterized by a slight reduction in average high-temperature, easing from a cool 10°C (50°F) in November to a chilly 7°C (44.6°F). The December nights in Grainville-sur-Ry show a slight decrease to a mean low-temperature of 2.6°C (36.7°F).Humidity
January and December, with an average relative humidity of 89%, are the most humid months.Rainfall
December is the month with the most rainfall in Grainville-sur-Ry. Rain falls for 15.2 days and accumulates 45mm (1.77") of precipitation.Snowfall
Months with snowfall in Grainville-sur-Ry are January through April, November and December. In December, it is snowing for 1.5 days. Throughout December, 24mm (0.94") of snow is accumulated. Throughout the year, in Grainville-sur-Ry, there are 10 snowfall days, and 83mm (3.27") of snow is accumulated.Daylight
With an average of 8h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:29 and sunset at 16:58. On the last day of December, sunrise is at 08:50 and sunset at 17:05 CET.
Sunshine
In December, the average sunshine in Grainville-sur-Ry is 4h.UV index
The months with the lowest UV index in Grainville-sur-Ry are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: In December, an average UV index of 2 transforms into the following instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
Is December cold in Grainville-sur-Ry?
What is the most humid month in Grainville-sur-Ry?
What is the average humidity in December in Grainville-sur-Ry?
What is the wettest month in Grainville-sur-Ry?
How much does it rain in Grainville-sur-Ry in December?
How much does it snow in Grainville-sur-Ry in December?
What is the month with the shortest days in Grainville-sur-Ry?
How many hours of daylight does Grainville-sur-Ry have in December?
When are sunrise and sunset in December in Grainville-sur-Ry?
How long on average sun shines in December in Grainville-sur-Ry?
When is the lowest UV index in Grainville-sur-Ry?
What is the UV index intensity in December in Grainville-sur-Ry?
Average temperature in December
Grainville-sur-Ry, France
- Average high temperature in December: 7°C
The warmest month (with the highest average high temperature) is August (22.4°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in December: 2.6°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in December
Grainville-sur-Ry, France
- Average pressure in December: 1017.4mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.6mbar).
Average wind speed in December
Grainville-sur-Ry, France
- Average wind speed in December: 17.1km/h
The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in December
Grainville-sur-Ry, France
- Average humidity in December: 89%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (78%).
Average rainfall in December
Grainville-sur-Ry, France
- Average rainfall in December: 45mm
The wettest month (with the highest rainfall) is December (45mm).
The driest months (with the least rainfall) are April and September (21mm).
Average rainfall days in December
Grainville-sur-Ry, France
- Average rainfall days in December: 15.2 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in December
Grainville-sur-Ry, France
- Average snowfall in December: 24mm
The month with the highest snowfall is January (27mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Grainville-sur-Ry, France
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (3.8 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
Grainville-sur-Ry, France
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 12min).
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 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Grainville-sur-Ry, France
- Average sunshine days in December: 11.7 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in December
Grainville-sur-Ry, France
- Average UV index in December: 2
The months with the highest UV index are 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
Grainville-sur-Ry, France
- Average cloud cover in December: 61
The months with the most cloud cover are January and November (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 44).
Average visibility in December
Grainville-sur-Ry, France
- Average visibility in December: 9km
The months with the highest visibility are February, March, April and December (9km).
The months with the lowest visibility are January, May, June, July, August, September, October and November (8km).
Grainville-sur-Ry, France
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