December weather forecastSanteny, France

December

Weather in December

The first month of the winter, December, is still a chilly month in Santeny, France, with an average temperature fluctuating between 2.9°C (37.2°F) and 7.5°C (45.5°F).

Temperature

December is characterized by a mild reduction in the average high-temperature, from a cool 10.6°C (51.1°F) in November to a frosty 7.5°C (45.5°F). Nighttime readings during December register a minimal drop from daytime highs, averaging at an icy 2.9°C (37.2°F).

Humidity

January and December, with an average relative humidity of 86%, are the most humid months.

Rainfall

In Santeny, during December, the rain falls for 13 days and regularly aggregates up to 32mm (1.26") of precipitation. Throughout the year, in Santeny, there are 153.5 rainfall days, and 330mm (12.99") of precipitation is accumulated.

Snowfall

Months with snowfall in Santeny are January through March, November and December. The months with the most snowfall in Santeny, France, are February and December, with an average 15mm (0.59") of accumulated snow.

Daylight

With an average of 8h and 24min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 08:21 and sunset at 16:56. On the last day of December, in Santeny, sunrise is at 08:42 and sunset at 17:03 CET.

Sunshine

In December, the average sunshine is 4.2h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.

Updated: Feb 5, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in December, in Santeny, records 7.5°C (45.5°F), while the low-temperature is 2.9°C (37.2°F).

The months with the highest humidity in Santeny, France, are January and December, with an average relative humidity of 86%.

In Santeny, France, the average relative humidity in December is 86%.

In Santeny, during December, the rain falls for 13 days and regularly aggregates up to 32mm (1.26") of precipitation.

The months with the most snowfall are February and December, with an average 15mm (0.59") of accumulated snow.

In Santeny, in December, during 1.7 snowfall days, 15mm (0.59") of snow is typically accumulated.

The month with the shortest days is December, with an average of 8h and 24min of daylight.

In Santeny, France, the average day length in December is 8h and 21min.

In December, on the first day of the month, sunrise is at 08:21 and sunset at 16:56. On the last day of the month, sunrise is at 08:42 and sunset at 17:03 CET.

In December, the average sunshine duration in Santeny is 4.2h.

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Santeny, France.

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

10.6°C

7.5°C

6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

14.7km/h

16.1km/h

15.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

13.8

13.6

Average UV index

Average cloud cover

57%

60%

Average visibility

9km

Average temperature in December
Santeny, France

Average high temperature in December: 7.5°C

The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (6°C).

Average low temperature in December: 2.9°C

The month with the highest average low temperature is August (15°C).
The coldest months (with the lowest average low temperature) are January and February (1.8°C).

Average pressure in December
Santeny, France

Average pressure in December: 1018.5mbar

The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is November (1013.6mbar).

Average wind speed in December
Santeny, France

Average wind speed in December: 15km/h

The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).

Average humidity in December
Santeny, France

Average humidity in December: 86%

The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (69%).

Average rainfall in December
Santeny, France

Average rainfall in December: 32mm

The wettest month (with the highest rainfall) is June (40mm).
The driest month (with the least rainfall) is September (16mm).

Average rainfall days in December
Santeny, France

Average rainfall days in December: 13 days

The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is September (9.1 days).

Average snowfall in December
Santeny, France

Average snowfall in December: 15mm

The months with the highest snowfall are February and December (15mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Santeny, France

Average snowfall days in December: 1.7 days

The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Santeny, France

Average daylight in December: 8h and 24min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

Average sunshine in December: 4h and 12min

The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in December
Santeny, France

Average sunshine days in December: 13 days

The month with the most sunshine days is September (18.4 days).
The month with the least sunshine days is June (11 days).

Average UV index in December
Santeny, 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
Santeny, France

Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 37).

Average visibility in December
Santeny, 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).