December weather forecastMartillac, France

December

Weather in December

December, the first month of the winter in Martillac, is also a fresh month, with an average temperature fluctuating between 10.8°C (51.4°F) and 5.4°C (41.7°F).

Temperature

December's arrival comes with a mild decrease in the average high-temperature, moving subtly from a refreshing 14°C (57.2°F) in November to a cool 10.8°C (51.4°F). Martillac's nighttime temperature in December drops to an average of 5.4°C (41.7°F).

Humidity

The months with the highest humidity are January and December, with an average relative humidity of 84%.

Rainfall

In Martillac, during December, the rain falls for 13.2 days and regularly aggregates up to 42mm (1.65") of precipitation. Throughout the year, there are 143.7 rainfall days, and 355mm (13.98") of precipitation is accumulated.

Snowfall

Months with snowfall in Martillac are February, March and December. December is the month with the most snowfall. Snow falls for 0.3 days and accumulates 4mm (0.16") of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 54min of daylight.
On the first day of December, sunrise is at 08:19 and sunset at 17:23. On the last day of the month, sunrise is at 08:39 and sunset at 17:31 CET.

Sunshine

With an average of 5h of sunshine, December has the least sunshine of the year.

UV index

January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 3 in December translates into this advice:
Adopt protective measures - It is advised to guard against sun damage. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.

Updated: Jul 10, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During December, Martillac experiences an average high-temperature of 10.8°C (51.4°F) and a low-temperature of 5.4°C (41.7°F). The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 30°C (86°F).

January and December, with an average relative humidity of 84%, are most humid months.

In Martillac, the average relative humidity in December is 84%.

In December, the rain falls for 13.2 days. Throughout December, 42mm (1.65") of precipitation is accumulated.

December is the month with the most snowfall. Snow falls for 0.3 days and accumulates 4mm (0.16") of snow.

December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 4mm (0.16") of snow.

With an average of 8h and 54min of daylight, December has the shortest days of the year.

In Martillac, the average day length in December is 8h and 52min.

On the first day of December, sunrise is at 08:19 and sunset at 17:23. On the last day of the month, sunrise is at 08:39 and sunset at 17:31 CET.

The month with the least sunshine is December, with an average of 5h of sunshine.

In December, the average sunshine duration is 5h.

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 3.

In December, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

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

Nov

December

Jan

Average high temperature

14°C

10.8°C

9.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.9km/h

11.7km/h

11.9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

15.5

15.6

15.4

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Martillac, France

Average high temperature in December: 10.8°C

The warmest month (with the highest average high temperature) is August (27.5°C).
The month with the lowest average high temperature is January (9.8°C).

Average low temperature in December: 5.4°C

The month with the highest average low temperature is July (16.3°C).
The coldest month (with the lowest average low temperature) is February (4.1°C).

Average pressure in December
Martillac, France

Average pressure in December: 1020.9mbar

The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is November (1015mbar).

Average wind speed in December
Martillac, France

Average wind speed in December: 10.8km/h

The windiest month (with the highest average wind speed) is March (11.9km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).

Average humidity in December
Martillac, France

Average humidity in December: 84%

The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is August (68%).

Average rainfall in December
Martillac, France

Average rainfall in December: 42mm

The wettest month (with the highest rainfall) is November (51mm).
The driest month (with the least rainfall) is September (15mm).

Average rainfall days in December
Martillac, France

Average rainfall days in December: 13.2 days

The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is September (8.5 days).

Average snowfall in December
Martillac, France

Average snowfall in December: 4mm

The month with the highest snowfall is December (4mm).
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Martillac, France

Average snowfall days in December: 0.3 days

The months with the highest number of snowfall days are February and December (0.3 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December: 8h and 54min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

Average sunshine in December: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in December
Martillac, France

Average sunshine days in December: 15.6 days

The month with the most sunshine days is September (19.6 days).
The months with the least sunshine days are May and June (13.8 days).

Average UV index in December
Martillac, France

Average UV index in December: 3

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 3).

Average cloud cover in December
Martillac, France

Average cloud cover in December: 48

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in December
Martillac, France

Average visibility in December: 9km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).