December weather forecastKatlijk, Netherlands
December
Weather in December
December, the first month of the winter in Katlijk, is also a frosty month, with an average temperature fluctuating between 6.2°C (43.2°F) and 3°C (37.4°F).Temperature
December's onset records a minor alteration in the average high-temperature to a still chilly 6.2°C (43.2°F) from November's 9.2°C (48.6°F). In Katlijk, the nighttime temperature shows a slight difference from the daytime high, averaging to an icy 3°C (37.4°F) during December.Humidity
With an average relative humidity of 88%, December is the most humid month in Katlijk.Rainfall
In Katlijk, Netherlands, in December, during 17.1 rainfall days, 47mm (1.85") of precipitation is typically accumulated. Throughout the year, in Katlijk, there are 189 rainfall days, and 503mm (19.8") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Katlijk. In Katlijk, Netherlands, during December, snow falls for 2.6 days and regularly aggregates up to 11mm (0.43") of snow. In Katlijk, during the entire year, snow falls for 9.4 days and aggregates up to 44mm (1.73") of snow.Daylight
With an average of 7h and 42min of daylight, December has the shortest days of the year in Katlijk.On the first day of the month, sunrise is at 08:26 and sunset at 16:23. On the last day of December, sunrise is at 08:48 and sunset at 16:29 CET.
Sunshine
December has the least sunshine of the year in Katlijk, with an average of 3.2h of sunshine.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 reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Katlijk, Netherlands
- Average high temperature in December: 6.2°C
The warmest month (with the highest average high temperature) is August (21.5°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in December: 3°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is February (1°C).
Average pressure in December
Katlijk, Netherlands
- Average pressure in December: 1013.5mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1011mbar).
Average wind speed in December
Katlijk, Netherlands
- Average wind speed in December: 20.4km/h
The windiest month (with the highest average wind speed) is December (20.4km/h).
The calmest month (with the lowest average wind speed) is August (13.3km/h).
Average humidity in December
Katlijk, Netherlands
- Average humidity in December: 88%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Katlijk, Netherlands
- Average rainfall in December: 47mm
The wettest month (with the highest rainfall) is August (59mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in December
Katlijk, Netherlands
- Average rainfall days in December: 17.1 days
The month with the highest number of rainy days is August (20.2 days).
The months with the least rainy days are February and April (11.4 days).
Average snowfall in December
Katlijk, Netherlands
- Average snowfall in December: 11mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Katlijk, Netherlands
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is January (2.8 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
Katlijk, Netherlands
- Average daylight in December: 7h and 42min
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 12min
The month with the most sunshine is June (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in December
Katlijk, Netherlands
- Average sunshine days in December: 9.8 days
The month with the most sunshine days is April (16.8 days).
The month with the least sunshine days is August (8 days).
Average UV index in December
Katlijk, Netherlands
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Katlijk, Netherlands
- Average cloud cover in December: 69
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is April (Cloud cover 42).
Average visibility in December
Katlijk, Netherlands
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
