December weather forecastDelfshaven, Netherlands
December
Weather in December
December, the first month of the winter in Delfshaven, is also a frosty month, with temperature in the range of an average high of 7.2°C (45°F) and an average low of 4.2°C (39.6°F).Temperature
The transition from November to December sees average high-temperatures adjusting to a chilly 7.2°C (45°F), from a not significantly different 10°C (50°F). Delfshaven's average nighttime temperature in December modestly descends to an icy 4.2°C (39.6°F).Humidity
The most humid month in Delfshaven is December, with an average relative humidity of 85%.Rainfall
In December, the rain falls for 11 days. Throughout December, 20mm (0.79") of precipitation is accumulated. In Delfshaven, during the entire year, the rain falls for 130.3 days and collects up to 205mm (8.07") of precipitation.Snowfall
January through March, November and December are months with snowfall in Delfshaven. In Delfshaven, in December, during 1.9 snowfall days, 7mm (0.28") of snow is typically accumulated. Throughout the year, there are 7.4 snowfall days, and 36mm (1.42") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 7h and 54min of daylight.On the first day of December, sunrise is at 08:27 and sunset at 16:34. On the last day of the month, sunrise is at 08:49 and sunset at 16:41 CET.
Sunshine
December has the least sunshine of the year, with an average of 3.5h of sunshine.UV index
The months with the lowest UV index in Delfshaven are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a daily UV index of 2 turns into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Delfshaven, Netherlands
- Average high temperature in December: 7.2°C
The warmest months (with the highest average high temperature) are July and August (22°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in December: 4.2°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in December
Delfshaven, Netherlands
- Average pressure in December: 1014.7mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).
Average wind speed in December
Delfshaven, Netherlands
- Average wind speed in December: 20.2km/h
The windiest month (with the highest average wind speed) is December (20.2km/h).
The calmest months (with the lowest average wind speed) are July and August (13.6km/h).
Average humidity in December
Delfshaven, Netherlands
- Average humidity in December: 85%
The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Delfshaven, Netherlands
- Average rainfall in December: 20mm
The wettest month (with the highest rainfall) is June (24mm).
The driest month (with the least rainfall) is April (9mm).
Average rainfall days in December
Delfshaven, Netherlands
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in December
Delfshaven, Netherlands
- Average snowfall in December: 7mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Delfshaven, Netherlands
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is February (2.2 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
Delfshaven, Netherlands
- Average daylight in December: 7h and 54min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in December: 3h and 30min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in December
Delfshaven, Netherlands
- Average sunshine days in December: 15 days
The month with the most sunshine days is April (17.5 days).
The month with the least sunshine days is July (13 days).
Average UV index in December
Delfshaven, 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
Delfshaven, Netherlands
- Average cloud cover in December: 66
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Delfshaven, Netherlands
- Average visibility in December: 9km
The months with the highest visibility are April, May, June and August (10km).
The months with the lowest visibility are January, February, March, July, September, October, November and December (9km).





