Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
In Castricum, December's average high-temperature stands at a frosty 7.7°C (45.9°F), closely related to the preceding month. Castricum, during the December nights, maintains an average temperature of 5.6°C (42.1°F), closely aligned with its daytime readings.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 83%.Rainfall
In Castricum, in December, it is raining for 17 days, with typically 33mm (1.3") of accumulated precipitation. Throughout the year, in Castricum, there are 169.2 rainfall days, and 339mm (13.35") of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows in Castricum. Throughout December, in the average 1.8 snowfall days, it receives 6mm (0.24") of snow. Throughout the year, there are 7.7 snowfall days, and 23mm (0.91") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 7h and 48min of daylight.On the first day of the month, sunrise is at 08:30 and sunset at 16:30. On the last day of December, in Castricum, sunrise is at 08:52 and sunset at 16:36 CET.
Sunshine
The month with the least sunshine in Castricum is December, with an average of 3.4h 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 estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Castricum?
What are the most humid months in Castricum?
What is the average humidity in December in Castricum?
How much does it rain in Castricum in December?
When does it start to snow in Castricum?
What is the month with the shortest days in Castricum?
What is the average length of the day in December in Castricum?
What time are sunrise and sunset in December in Castricum?
What is the month with the least sunshine in Castricum?
How many hours of sunshine does Castricum have in December?
When is the lowest UV index in Castricum?
What is the UV index reading in December in Castricum?
Average temperature in December
Castricum, Netherlands
- Average high temperature in December: 7.7°C
The warmest month (with the highest average high temperature) is August (19.9°C).
The months with the lowest average high temperature are January and February (5.8°C).
- Average low temperature in December: 5.6°C
The month with the highest average low temperature is August (16.6°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in December
Castricum, Netherlands
- Average pressure in December: 1013.9mbar
The month with the highest atmospheric pressure is September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).
Average wind speed in December
Castricum, Netherlands
- Average wind speed in December: 28.4km/h
The windiest month (with the highest average wind speed) is December (28.4km/h).
The calmest month (with the lowest average wind speed) is July (18km/h).
Average humidity in December
Castricum, Netherlands
- Average humidity in December: 83%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Castricum, Netherlands
- Average rainfall in December: 33mm
The wettest month (with the highest rainfall) is August (48mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in December
Castricum, Netherlands
- Average rainfall days in December: 17 days
The month with the highest number of rainy days is August (17.2 days).
The month with the least rainy days is April (10.6 days).
Average snowfall in December
Castricum, Netherlands
- Average snowfall in December: 6mm
The month with the highest snowfall is February (9mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Castricum, Netherlands
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is February (2.7 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
Castricum, Netherlands
- Average daylight in December: 7h and 5min
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 48min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in December
Castricum, Netherlands
- Average sunshine days in December: 9.1 days
The month with the most sunshine days is April (17.7 days).
The month with the least sunshine days is December (9.1 days).
Average UV index in December
Castricum, 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
Castricum, Netherlands
- Average cloud cover in December: 67
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in December
Castricum, Netherlands
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (10km).
The month with the lowest visibility is December (9km).
