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
December commences with an average high-temperature of a chilly 7.5°C (45.5°F), showing little deviation from November's 10.4°C (50.7°F). Hellevoetsluis observes a slightly reduced average nighttime temperature of 5.1°C (41.2°F) during December.Humidity
January and December, with an average relative humidity of 83%, are the most humid months.Rainfall
In December, in Hellevoetsluis, Netherlands, the rain falls for 15.7 days. Throughout December, 32mm (1.26") of precipitation is accumulated. In Hellevoetsluis, Netherlands, during the entire year, the rain falls for 167.9 days and collects up to 321mm (12.64") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Hellevoetsluis, during December, snow falls for 1.8 days and regularly aggregates up to 6mm (0.24") of snow. Throughout the year, there are 8.6 snowfall days, and 31mm (1.22") 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 in Hellevoetsluis, sunrise is at 08:28 and sunset at 16:36. On the last day of the month, sunrise is at 08:50 and sunset at 16:42 CET.
Sunshine
With an average of 3.7h of sunshine, December has the least sunshine of the year in Hellevoetsluis.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 value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 2 during December translates into the following guidance:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Hellevoetsluis in December?
What are the most humid months in Hellevoetsluis?
What is the average humidity in December in Hellevoetsluis?
How much does it rain in Hellevoetsluis in December?
How much does it snow in Hellevoetsluis in December?
What is the month with the shortest days in Hellevoetsluis?
How many hours of daylight does Hellevoetsluis have in December?
When is the sunrise / sunset in December in Hellevoetsluis?
What is the month with the least sunshine in Hellevoetsluis?
How many hours of sunshine does Hellevoetsluis have in December?
What are the months with the lowest UV index in Hellevoetsluis?
How high is the UV index in December in Hellevoetsluis?
Average temperature in December
Hellevoetsluis, Netherlands
- Average high temperature in December: 7.5°C
The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in December: 5.1°C
The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (3.1°C).
Average pressure in December
Hellevoetsluis, Netherlands
- Average pressure in December: 1014.8mbar
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
Hellevoetsluis, Netherlands
- Average wind speed in December: 24.9km/h
The windiest month (with the highest average wind speed) is December (24.9km/h).
The calmest month (with the lowest average wind speed) is July (16.3km/h).
Average humidity in December
Hellevoetsluis, 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 April (75%).
Average rainfall in December
Hellevoetsluis, Netherlands
- Average rainfall in December: 32mm
The wettest month (with the highest rainfall) is August (43mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in December
Hellevoetsluis, Netherlands
- Average rainfall days in December: 15.7 days
The month with the highest number of rainy days is October (17 days).
The month with the least rainy days is April (9.6 days).
Average snowfall in December
Hellevoetsluis, Netherlands
- Average snowfall in December: 6mm
The months with the highest snowfall are January and February (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Hellevoetsluis, Netherlands
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is February (2.9 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
Hellevoetsluis, Netherlands
- Average daylight in December: 7h and 5min
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 4min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in December
Hellevoetsluis, Netherlands
- Average sunshine days in December: 9.7 days
The month with the most sunshine days is April (17.8 days).
The months with the least sunshine days are November and December (9.7 days).
Average UV index in December
Hellevoetsluis, 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
Hellevoetsluis, Netherlands
- Average cloud cover in December: 63
The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Hellevoetsluis, Netherlands
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).
