December weather forecastDieppe, France

December

Weather in December

The first month of the winter, December, is also a frosty month in Dieppe, France, with an average temperature ranging between min 5.9°C (42.6°F) and max 8.7°C (47.7°F).

Temperature

The onset of December brings an average high-temperature of a frosty 8.7°C (47.7°F), nearly matching the November temperature. During the nights of December, Dieppe records an average temperature of 5.9°C (42.6°F), a minor drop from daytime peaks.

Humidity

In Dieppe, the average relative humidity in December is 82%.

Rainfall

The month with the most rainfall in Dieppe is December, when the rain falls for 16.4 days and typically aggregates up to 51mm (2.01") of precipitation.

Snowfall

January through March, November and December are months with snowfall in Dieppe. In December, in Dieppe, France, it is snowing for 1 days. Throughout December, 4mm (0.16") of snow is accumulated. Throughout the year, in Dieppe, there are 5.5 snowfall days, and 21mm (0.83") of snow is accumulated.

Sea temperature

In Dieppe, the average seawater temperature in December is 11.6°C (52.9°F).
Note: Swimming in 11.6°C (52.9°F) is deemed hazardous. Exposure to temperatures below 10°C (50°F) leads to immediate severe cold shock and hyperventilation.

Daylight

The month with the shortest days is December, with an average of 8h and 12min of daylight.
On the first day of December, sunrise is at 08:32 and sunset at 16:57. On the last day of the month, sunrise is at 08:53 and sunset at 17:04 CET.

Sunshine

In December, the average sunshine is 4.1h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Dieppe. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Frequently asked questions

The high-temperature, in December, in Dieppe, is 8.7°C (47.7°F), while the low-temperature averages to 5.9°C (42.6°F).

In December, the average relative humidity in Dieppe, France, is 82%.

December is the month with the most rainfall in Dieppe, France. Rain falls for 16.4 days and accumulates 51mm (2.01") of precipitation.

In Dieppe, France, during December, the rain falls for 16.4 days and regularly aggregates up to 51mm (2.01") of precipitation.

In December, in Dieppe, it is snowing for 1 days. Throughout December, 4mm (0.16") of snow is accumulated.

In Dieppe, the average seawater temperature in December is 11.6°C (52.9°F). Swimming in 11.6°C (52.9°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

December has the shortest days of the year in Dieppe, France, with an average of 8h and 12min of daylight.

In Dieppe, the average day length in December is 8h and 11min.

In December, on the first day of the month, sunrise is at 08:32 and sunset at 16:57. On the last day of the month, in Dieppe, sunrise is at 08:53 and sunset at 17:04 CET.

In Dieppe, the average sunshine duration in December is 4.1h.

The months with the lowest UV index in Dieppe 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 value of 2, and less, symbolizes a minimal hazard to health 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 sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Dieppe, France

  • Average high temperature in December: 8.7°C

The warmest month (with the highest average high temperature) is August (19.5°C).
The months with the lowest average high temperature are January and February (7.3°C).

  • Average low temperature in December: 5.9°C

The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is February (4.2°C).

Average pressure in December
Dieppe, France

  • Average pressure in December: 1016.7mbar

The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).

Average wind speed in December
Dieppe, France

  • Average wind speed in December: 27.5km/h

The windiest month (with the highest average wind speed) is December (27.5km/h).
The calmest month (with the lowest average wind speed) is July (17.3km/h).

Average humidity in December
Dieppe, France

  • Average humidity in December: 82%

The month with the highest relative humidity is June (84%).
The month with the lowest relative humidity is September (79%).

Average rainfall in December
Dieppe, France

  • Average rainfall in December: 51mm

The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is April (23mm).

Average rainfall days in December
Dieppe, France

  • Average rainfall days in December: 16.4 days

The month with the highest number of rainy days is October (16.7 days).
The month with the least rainy days is April (12.4 days).

Average snowfall in December
Dieppe, France

  • Average snowfall in December: 4mm

The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Dieppe, France

  • Average snowfall days in December: 1 days

The months with the highest number of snowfall days are January and February (1.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in December
Dieppe, France

  • Average sea temperature in December: 11.6°C

The best months for swimming (with the highest average sea temperature) are August and September (17.9°C).
The coldest month (with the lowest average sea temperature) is March (8.2°C).

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

  • Average daylight in December: 8h and 12min

The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in December: 4h and 6min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and November (Average sunshine: 4h and 0min).

Average sunshine days in December
Dieppe, France

  • Average sunshine days in December: 10.6 days

The month with the most sunshine days is April (14.6 days).
The month with the least sunshine days is November (10.4 days).

Average UV index in December
Dieppe, 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
Dieppe, France

  • Average cloud cover in December: 60

The months with the most cloud cover are November and December (Cloud cover 60).
The months with the least cloud cover are April, July and August (Cloud cover 39).

Average visibility in December
Dieppe, France

  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).