December weather forecastGalluis, France

December

Weather in December

December, the first month of the winter in Galluis, is still a chilly month, with an average temperature varying between 2.7°C (36.9°F) and 7.1°C (44.8°F).

Temperature

Galluis's transition into December involves a gentle shift in temperature, receding from a cool 10.4°C (50.7°F) in November to a frosty 7.1°C (44.8°F). In Galluis, the nighttime temperature in December descends gently to an average of 2.7°C (36.9°F).

Humidity

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

Rainfall

In Galluis, in December, it is raining for 14.1 days, with typically 31mm (1.22") of accumulated precipitation. Throughout the year, there are 156.2 rainfall days, and 318mm (12.52") of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. The months with the most snowfall in Galluis, France, are January, March and December, with an average 18mm (0.71") of accumulated snow.

Daylight

The month with the shortest days in Galluis is December, with an average of 8h and 18min of daylight.
On the first day of the month, sunrise is at 08:25 and sunset at 16:58. On the last day of December, sunrise is at 08:45 and sunset at 17:06 CET.

Sunshine

In December, the average sunshine is 4.2h.

UV index

The months with the lowest UV index in Galluis are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.

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

Frequently asked questions

In Galluis, 7.1°C (44.8°F) is the average high-temperature and 2.7°C (36.9°F) is the average low-temperature during December.

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

The average relative humidity in December in Galluis, France, is 86%.

In Galluis, France, in December, during 14.1 rainfall days, 31mm (1.22") of precipitation is typically accumulated.

The months with the most snowfall in Galluis are January, March and December, with an average 18mm (0.71") of accumulated snow.

In December, in Galluis, it is snowing for 2.4 days. Throughout December, 18mm (0.71") of snow is accumulated.

The month with the shortest days in Galluis is December, with an average of 8h and 18min of daylight.

In Galluis, the average day length in December is 8h and 20min.

In December, on the first day of the month, sunrise is at 08:25 and sunset at 16:58. On the last day of the month, sunrise is at 08:45 and sunset at 17:06 CET.

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

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

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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

10.4°C

7.1°C

5.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

15.1km/h

16.7km/h

15.8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

13.5

12.7

13.4

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Galluis, France

Average high temperature in December: 7.1°C

The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (5.8°C).

Average low temperature in December: 2.7°C

The months with the highest average low temperature are July and August (14.4°C).
The coldest months (with the lowest average low temperature) are January and February (1.6°C).

Average pressure in December
Galluis, France

Average pressure in December: 1018.3mbar

The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).

Average wind speed in December
Galluis, France

Average wind speed in December: 15.6km/h

The windiest month (with the highest average wind speed) is February (16km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).

Average humidity in December
Galluis, 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
Galluis, France

Average rainfall in December: 31mm

The wettest month (with the highest rainfall) is June (40mm).
The driest month (with the least rainfall) is September (15mm).

Average rainfall days in December
Galluis, France

Average rainfall days in December: 14.1 days

The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is September (9.6 days).

Average snowfall in December
Galluis, France

Average snowfall in December: 18mm

The months with the highest snowfall are January, March and December (18mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Galluis, France

Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is February (3.3 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
Galluis, France

Average daylight in December: 8h and 18min

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 18min).

Average sunshine in December: 4h and 12min

The months with the most sunshine are July and August (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in December
Galluis, France

Average sunshine days in December: 12.7 days

The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is June (10.9 days).

Average UV index in December
Galluis, 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
Galluis, France

Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 38).

Average visibility in December
Galluis, 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).