December weather forecast
Delft, Netherlands

December

Weather in December

The first month of the winter, December, is still a chilly month in Delft, Netherlands, with temperature in the range of an average high of 7.5°C (45.5°F) and an average low of 5°C (41°F).

Temperature

As November turns into December, the average high-temperatures rest at a frosty 7.5°C (45.5°F), showing a minor variation from the prior month. Delft, during December nights, records a temperature marginally cooler than the daytime average, at a wintry 5°C (41°F).

Humidity

January and December, with an average relative humidity of 83%, are the most humid months in Delft.

Rainfall

In December, in Delft, the rain falls for 19.8 days. Throughout December, 61mm (2.4") of precipitation is accumulated. In Delft, during the entire year, the rain falls for 198.4 days and collects up to 554mm (21.81") of precipitation.

Snowfall

Months with snowfall in Delft are January through April, November and December. In Delft, during December, snow falls for 2.2 days and regularly aggregates up to 11mm (0.43") of snow. Throughout the year, in Delft, there are 10.4 snowfall days, and 55mm (2.17") of snow is accumulated.

Daylight

The month with the shortest days in Delft is December, with an average of 7h and 48min of daylight.
On the first day of December, sunrise is at 08:28 and sunset at 16:34. On the last day of the month, sunrise is at 08:50 and sunset at 16:40 CET.

Sunshine

The month with the least sunshine is December, with an average of 3.5h of sunshine.

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 value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: The UV index of 2 during December leads to these advisories:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Frequently asked questions

What are December temperatures in Delft?
In December, in Delft, the average high-temperature is 7.5°C (45.5°F), and the average low-temperature is 5°C (41°F).
What are the most humid months in Delft?
The months with the highest humidity are January and December, with an average relative humidity of 83%.
What is the average humidity in December in Delft?
The average relative humidity in December in Delft, Netherlands, is 83%.
How many days does it rain in December in Delft?
In Delft, Netherlands, in December, during 19.8 rainfall days, 61mm (2.4") of precipitation is typically accumulated.
How many days does it snow in December in Delft?
In December, it is snowing for 2.2 days. Throughout December, 11mm (0.43") of snow is accumulated.
What is the month with the shortest days in Delft?
December has the shortest days of the year in Delft, with an average of 7h and 48min of daylight.
How many hours of daylight does Delft have in December?
The average day length in December is 7h and 50min.
When are sunrise and sunset in December in Delft?
On the first day of December in Delft, sunrise is at 08:28 and sunset at 16:34. On the last day of the month, sunrise is at 08:50 and sunset at 16:40 CET.
What is the month with the least sunshine in Delft?
December has the least sunshine of the year, with an average of 3.5h of sunshine.
How long on average sun shines in December in Delft?
In December, the average sunshine duration is 3.5h.
What is the month with the lowest UV index in Delft?
The months with the lowest UV index in Delft, Netherlands, are January, February, November and December, with an average maximum UV index of 2.
What is the UV index intensity in December in Delft?
In Delft, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
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
Delft, Netherlands
  • Average high temperature in December: 7.5°C

The warmest month (with the highest average high temperature) is August (21.1°C).
The month with the lowest average high temperature is January (5.9°C).

  • Average low temperature in December: 5°C

The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (2.9°C).

Average pressure in December
Delft, Netherlands
  • Average pressure in December: 1014.5mbar

The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).

Average wind speed in December
Delft, Netherlands
  • Average wind speed in December: 24.9km/h

The windiest month (with the highest average wind speed) is December (24.9km/h).
The calmest month (with the lowest average wind speed) is July (16.2km/h).

Average humidity in December
Delft, Netherlands
  • Average humidity in December: 83%

The months with the highest relative humidity are January and December (83%).
The months with the lowest relative humidity are April and August (75%).

Average rainfall in December
Delft, Netherlands
  • Average rainfall in December: 61mm

The wettest month (with the highest rainfall) is August (65mm).
The driest month (with the least rainfall) is April (18mm).

Average rainfall days in December
Delft, Netherlands
  • Average rainfall days in December: 19.8 days

The months with the highest number of rainy days are August and December (19.8 days).
The month with the least rainy days is April (12.3 days).

Average snowfall in December
Delft, Netherlands
  • Average snowfall in December: 11mm

The month with the highest snowfall is February (24mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December
Delft, Netherlands
  • Average snowfall days in December: 2.2 days

The month with the highest number of snowfall days is February (3.8 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
Delft, Netherlands
  • Average daylight in December: 7h and 5min

The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).

  • Average sunshine in December: 3h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).

Average sunshine days in December
Delft, Netherlands
  • Average sunshine days in December: 7.1 days

The month with the most sunshine days is April (15.8 days).
The month with the least sunshine days is December (7.1 days).

Average UV index in December
Delft, Netherlands
  • 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
Delft, Netherlands
  • Average cloud cover in December: 65

The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in December
Delft, Netherlands
  • Average visibility in December: 9km

The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).

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