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's onset introduces a mild reduction in the average high-temperature, from a frosty 9°C (48.2°F) in November to an icy 5.8°C (42.4°F). During December, Zwartsluis's temperature shows a minor deviation from daytime highs, falling to a steady low-temperature average of 2.4°C (36.3°F).Humidity
With an average relative humidity of 89%, December is the most humid month in Zwartsluis.Rainfall
In Zwartsluis, in December, it is raining for 10.7 days, with typically 18mm (0.71") of accumulated precipitation. Throughout the year, in Zwartsluis, Netherlands, there are 130.3 rainfall days, and 205mm (8.07") of precipitation is accumulated.Snowfall
Months with snowfall in Zwartsluis are January through March and December. December is the first month it typically snows in Zwartsluis. Throughout December, in the average 2 snowfall days, it receives 9mm (0.35") of snow. In Zwartsluis, during the entire year, snow falls for 8.7 days and aggregates up to 32mm (1.26") of snow.Daylight
The month with the shortest days in Zwartsluis is December, with an average of 7h and 42min of daylight.On the first day of the month, sunrise is at 08:25 and sunset at 16:24. On the last day of December, sunrise is at 08:47 and sunset at 16:30 CET.
Sunshine
The month with the least sunshine in Zwartsluis is December, with an average of 3.1h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Zwartsluis, Netherlands. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 2 in December leads to these guidelines:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Enhance your sun protection with tightly woven, yet airy clothing. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Zwartsluis?
What is the most humid month in Zwartsluis?
What is the average humidity in December in Zwartsluis?
How many days does it rain in December in Zwartsluis?
When does it start to snow in Zwartsluis?
What is the month with the shortest days in Zwartsluis?
How many hours of daylight does Zwartsluis have in December?
When is the sunrise / sunset in December in Zwartsluis?
What is the month with the least sunshine in Zwartsluis?
How many hours of sunshine does Zwartsluis have in December?
What are the months with the lowest UV index in Zwartsluis?
What is the UV index reading in December in Zwartsluis?
Average temperature in December
Zwartsluis, Netherlands
- Average high temperature in December: 5.8°C
The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is January (4.6°C).
- Average low temperature in December: 2.4°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 (0.8°C).
Average pressure in December
Zwartsluis, Netherlands
- Average pressure in December: 1014.2mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).
Average wind speed in December
Zwartsluis, Netherlands
- Average wind speed in December: 18.5km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest months (with the lowest average wind speed) are July and August (12.3km/h).
Average humidity in December
Zwartsluis, Netherlands
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Zwartsluis, Netherlands
- Average rainfall in December: 18mm
The wettest month (with the highest rainfall) is June (25mm).
The driest month (with the least rainfall) is April (10mm).
Average rainfall days in December
Zwartsluis, Netherlands
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is October (8.9 days).
Average snowfall in December
Zwartsluis, Netherlands
- Average snowfall in December: 9mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Zwartsluis, Netherlands
- Average snowfall days in December: 2 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
Zwartsluis, Netherlands
- Average daylight in December: 7h and 4min
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 1min
The month with the most sunshine is July (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in December
Zwartsluis, Netherlands
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is June (13.3 days).
Average UV index in December
Zwartsluis, 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, March, November and December (UV index 2).
Average cloud cover in December
Zwartsluis, Netherlands
- Average cloud cover in December: 68
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in December
Zwartsluis, Netherlands
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (9km).
The month with the lowest visibility is September (8km).
