December weather forecastHillegom, Netherlands
December
Weather in December
December, the first month of the winter in Hillegom, is also a frosty month, with an average temperature varying between 4.3°C (39.7°F) and 7°C (44.6°F).Temperature
The onset of December brings with it an average high-temperature of a still frosty 7°C (44.6°F), showing a negligible variation from the month before. In Hillegom, December is characterized by an average low-temperature of 4.3°C (39.7°F), indicating a minor drop from daytime highs.Humidity
January and December, with an average relative humidity of 84%, are the most humid months.Rainfall
December is the month with the most rainfall in Hillegom. Rain falls for 20.5 days and accumulates 65mm (2.56") of precipitation.Snowfall
Months with snowfall in Hillegom, Netherlands, are January through March, November and December. In Hillegom, in December, snow falls for 2.5 days, with typically accumulated 13mm (0.51") of snow. Throughout the year, there are 12.4 snowfall days, and 64mm (2.52") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 7h and 48min of daylight.On the first day of the month, sunrise is at 08:29 and sunset at 16:32. On the last day of December, in Hillegom, sunrise is at 08:51 and sunset at 16:38 CET.
Sunshine
December has the least sunshine of the year, with an average of 3.6h 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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Boost your sun resistance with garments that are densely woven yet spacious. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hillegom, Netherlands
- Average high temperature in December: 7°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in December: 4.3°C
The month with the highest average low temperature is August (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (2.6°C).
Average pressure in December
Hillegom, Netherlands
- Average pressure in December: 1014.2mbar
The month with the highest atmospheric pressure is September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).
Average wind speed in December
Hillegom, Netherlands
- Average wind speed in December: 22.2km/h
The windiest month (with the highest average wind speed) is December (22.2km/h).
The calmest month (with the lowest average wind speed) is July (14.4km/h).
Average humidity in December
Hillegom, 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 (74%).
Average rainfall in December
Hillegom, Netherlands
- Average rainfall in December: 65mm
The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in December
Hillegom, Netherlands
- Average rainfall days in December: 20.5 days
The month with the highest number of rainy days is December (20.5 days).
The month with the least rainy days is October (13 days).
Average snowfall in December
Hillegom, Netherlands
- Average snowfall in December: 13mm
The month with the highest snowfall is February (28mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Hillegom, Netherlands
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is February (4.6 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
Hillegom, Netherlands
- Average daylight in December: 7h and 48min
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 36min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in December
Hillegom, Netherlands
- Average sunshine days in December: 6.1 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is December (6.1 days).
Average UV index in December
Hillegom, 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
Hillegom, 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
Hillegom, Netherlands
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
