December weather forecast
Hoorn, Netherlands

englishespañol中文
Share

Weather in December

Finally, Hoorn plunges back into winter with the arrival of December. The festive season casts a warm glow while decorated lights sparkle in the cold. There are signs of the year’s first snow, averaging about 6mm (0.24") over two days. Sea temperatures fall to around 9.3°C (48.7°F), limiting nautical activities. Despite shorter daylight hours, the celebration of holidays brings the city alive in the midst of winter.

Temperature

The shift to December signals an average high-temperature of a still frosty 6.9°C (44.4°F), subtly varied from November's 9.8°C (49.6°F). A mild drop to an average of 4.6°C (40.3°F) marks the nights during December.

Humidity

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

Rainfall

In December, in Hoorn, the rain falls for 15.1 days. Throughout December, 25mm (0.98") of precipitation is accumulated. In Hoorn, during the entire year, the rain falls for 160.4 days and collects up to 266mm (10.47") of precipitation.

Snowfall

January through March and December are months with snowfall in Hoorn. December is the first month it typically snows. Throughout December, in the average 2 snowfall days, it receives 6mm (0.24") of snow. Throughout the year, in Hoorn, Netherlands, there are 10.3 snowfall days, and 26mm (1.02") of snow is accumulated.

Sea temperature

In Hoorn, the average seawater temperature in December is 9.3°C (48.7°F).
Note: It is risky to swim in 9.3°C (48.7°F). Temperatures beneath 10°C (50°F) induce rapid cold shock and hyperventilation.

Daylight

December has the shortest days of the year in Hoorn, Netherlands, with an average of 7h and 42min of daylight.
On the first day of December, sunrise is at 08:29 and sunset at 16:28. On the last day of the month, sunrise is at 08:51 and sunset at 16:34 CET.

Sunshine

With an average of 3.6h of sunshine, December has the least sunshine of the year in Hoorn, Netherlands.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
[Resources]

Frequently asked questions

How cold is it in Hoorn in December?

Hoorn in December has an average high-temperature of 6.9°C (44.4°F) and an average low-temperature of 4.6°C (40.3°F).

What is the most humid month in Hoorn?

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

What is the average humidity in December in Hoorn?

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

How much does it rain in Hoorn in December?

In Hoorn, Netherlands, during December, the rain falls for 15.1 days and regularly aggregates up to 25mm (0.98") of precipitation.

When does it start snowing in Hoorn?

December is the first month it typically snows. Throughout December, in the average 2 snowfall days, it receives 6mm (0.24") of snow.

What is the water temperature in December in Hoorn?

In Hoorn, Netherlands, the average seawater temperature in December is 9.3°C (48.7°F). Swimming in 9.3°C (48.7°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.

What is the month with the shortest days in Hoorn?

The month with the shortest days in Hoorn, Netherlands, is December, with an average of 7h and 42min of daylight.

What is the average length of the day in December in Hoorn?

In Hoorn, the average day length in December is 7h and 44min.

What time are sunrise and sunset in December in Hoorn?

In December, on the first day of the month, sunrise is at 08:29 and sunset at 16:28. On the last day of the month, in Hoorn, sunrise is at 08:51 and sunset at 16:34 CET.

What is the month with the least sunshine in Hoorn?

December has the least sunshine of the year, with an average of 3.6h of sunshine.

How many hours of sunshine does Hoorn have in December?

The average sunshine duration in December in Hoorn, Netherlands, is 3.6h.

What is the month with the lowest UV index in Hoorn?

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

What is the UV index reading in December in Hoorn?

The average daily maximum UV index in December in Hoorn, Netherlands, is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in December
Hoorn, Netherlands

Average temperature in December - Hoorn, Netherlands
  • Average high temperature in December: 6.9°C

The warmest month (with the highest average high temperature) is August (20.6°C).
The month with the lowest average high temperature is January (5.5°C).

  • Average low temperature in December: 4.6°C

The month with the highest average low temperature is August (15.6°C).
The coldest month (with the lowest average low temperature) is February (2.5°C).

[Resources]

Average pressure in December
Hoorn, Netherlands

Average pressure in December - Hoorn, Netherlands
  • Average pressure in December: 1013.8mbar

The months with the highest atmospheric pressure are May and September (1016.5mbar).
The month with the lowest atmospheric pressure is November (1011mbar).

[Resources]

Average wind speed in December
Hoorn, Netherlands

Average wind speed in December - Hoorn, Netherlands
  • Average wind speed in December: 24.8km/h

The windiest month (with the highest average wind speed) is December (24.8km/h).
The calmest month (with the lowest average wind speed) is July (15.6km/h).

[Resources]

Average humidity in December
Hoorn, Netherlands

Average humidity in December - Hoorn, Netherlands
  • 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 April (76%).

[Resources]

Average rainfall in December
Hoorn, Netherlands

Average rainfall in December - Hoorn, Netherlands
  • Average rainfall in December: 25mm

The wettest month (with the highest rainfall) is August (37mm).
The driest month (with the least rainfall) is April (8mm).

[Resources]

Average rainfall days in December
Hoorn, Netherlands

Average rainfall days in December - Hoorn, Netherlands
  • Average rainfall days in December: 15.1 days

The month with the highest number of rainy days is August (16.7 days).
The month with the least rainy days is April (9.1 days).

[Resources]

Average snowfall in December
Hoorn, Netherlands

Average snowfall in December - Hoorn, Netherlands
  • Average snowfall in December: 6mm

The month with the highest snowfall is February (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

[Resources]

Average snowfall days in December
Hoorn, Netherlands

Average snowfall days in December - Hoorn, Netherlands
  • Average snowfall days in December: 2 days

The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average sea temperature in December
Hoorn, Netherlands

Average sea temperature in December - Hoorn, Netherlands
  • Average sea temperature in December: 9.3°C

The best month for swimming (with the highest average sea temperature) is September (18°C).
The coldest months (with the lowest average sea temperature) are February and March (6.3°C).

[Resources]

Average daylight in December /
Average sunshine in December
Hoorn, Netherlands

Average daylight in December / Average sunshine in December - Hoorn, Netherlands
  • Average daylight in December: 7h and 4min

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

  • Average sunshine in December: 3h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).

[Resources]

Average sunshine days in December
Hoorn, Netherlands

Average sunshine days in December - Hoorn, Netherlands
  • Average sunshine days in December: 9.7 days

The month with the most sunshine days is April (18.4 days).
The month with the least sunshine days is December (9.7 days).

[Resources]

Average UV index in December
Hoorn, Netherlands

Average UV index in December - Hoorn, 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).

[Resources]

Average cloud cover in December
Hoorn, Netherlands

Average cloud cover in December - Hoorn, Netherlands
  • Average cloud cover in December: 66

The month with the most cloud cover is December (Cloud cover 66).
The months with the least cloud cover are April and August (Cloud cover 39).

[Resources]

Average visibility in December
Hoorn, Netherlands

Average visibility in December - Hoorn, Netherlands
  • 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).

[Resources]

Hoorn, Netherlands

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location