December weather forecastGrandham, France

December weather for Grandham, France: The month with the most rainfall in Grandham, France, is December, when the rain falls for 16.9 days and typically aggregates up to 69mm (2.72") of precipitation. The month with the least sunshine in Grandham, France, is December, with an average of 3.6h of sunshine.

December

Weather in December

December, the first month of the winter in Grandham, is also a frosty month, with an average temperature fluctuating between 6.4°C (43.5°F) and 1.9°C (35.4°F).

Temperature

Start of December brings a slight shift in the average high-temperature, dipping a bit from November's 9.5°C (49.1°F) to a still chilly 6.4°C (43.5°F). The month of December is marked by an average minimum temperature of 1.9°C (35.4°F), slightly cooler than its daytime counterpart.

Humidity

December is the most humid month, with an average relative humidity of 89%.

Rainfall

The month with the most rainfall in Grandham, France, is December, when the rain falls for 16.9 days and typically aggregates up to 69mm (2.72") of precipitation.

Snowfall

January through March, November and December are months with snowfall in Grandham, France. In December, in Grandham, it is snowing for 3.2 days. Throughout December, 31mm (1.22") of snow is accumulated. Throughout the year, there are 12.3 snowfall days, and 111mm (4.37") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 18min of daylight.
On the first day of the month, sunrise is at 08:14 and sunset at 16:44. On the last day of December, in Grandham, sunrise is at 08:35 and sunset at 16:51 CET.

Sunshine

The month with the least sunshine in Grandham, France, is December, with an average of 3.6h of sunshine.

UV index

The months with the lowest UV index in Grandham are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Frequently asked questions

In Grandham, 6.4°C (43.5°F) is the average high-temperature and 1.9°C (35.4°F) is the average low-temperature during December.

December is the most humid month in Grandham, France, with an average relative humidity of 89%.

The average relative humidity in December in Grandham, France, is 89%.

December is the month with the most rainfall in Grandham. Rain falls for 16.9 days and accumulates 69mm (2.72") of precipitation.

In Grandham, in December, during 16.9 rainfall days, 69mm (2.72") of precipitation is typically accumulated.

In Grandham, France, in December, during 3.2 snowfall days, 31mm (1.22") of snow is typically accumulated.

December has the shortest days of the year in Grandham, with an average of 8h and 18min of daylight.

In Grandham, the average day length in December is 8h and 16min.

On the first day of December in Grandham, France, sunrise is at 08:14 and sunset at 16:44. On the last day of the month, sunrise is at 08:35 and sunset at 16:51 CET.

The month with the least sunshine in Grandham, France, is December, with an average of 3.6h of sunshine.

In December, the average sunshine duration is 3.6h.

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

In December, the average daily maximum UV index in Grandham, France, is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Grandham, France

  • Average high temperature in December: 6.4°C

The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (5.1°C).

  • Average low temperature in December: 1.9°C

The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).

Average pressure in December
Grandham, France

  • Average pressure in December: 1018.6mbar

The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).

Average wind speed in December
Grandham, France

  • Average wind speed in December: 14km/h

The windiest months (with the highest average wind speed) are February and December (14km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).

Average humidity in December
Grandham, France

  • Average humidity in December: 89%

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (71%).

Average rainfall in December
Grandham, France

  • Average rainfall in December: 69mm

The wettest month (with the highest rainfall) is December (69mm).
The driest month (with the least rainfall) is September (30mm).

Average rainfall days in December
Grandham, France

  • Average rainfall days in December: 16.9 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is September (10.9 days).

Average snowfall in December
Grandham, France

  • Average snowfall in December: 31mm

The month with the highest snowfall is January (37mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Grandham, France

  • Average snowfall days in December: 3.2 days

The month with the highest number of snowfall days is January (4 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
Grandham, France

  • Average daylight in December: 8h and 18min

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 18min).

  • Average sunshine in December: 3h and 36min

The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).

Average sunshine days in December
Grandham, France

  • Average sunshine days in December: 8.7 days

The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is December (8.7 days).

Average UV index in December
Grandham, 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
Grandham, France

  • Average cloud cover in December: 64

The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 38).

Average visibility in December
Grandham, France

  • Average visibility in December: 8km

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