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
The arrival of December suggests a slight decrease in the average high-temperature, moving from 9.5°C (49.1°F) in November to a still chilly 6.5°C (43.7°F). December registers an average low temperature of 3.3°C (37.9°F) in Giessendam, subtly lower than the daytime maximum.Humidity
December is the most humid month, with an average relative humidity of 87%.Rainfall
In Giessendam, in December, it is raining for 17.9 days, with typically 54mm (2.13") of accumulated precipitation. Throughout the year, in Giessendam, there are 201.9 rainfall days, and 550mm (21.65") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Giessendam. In December, in Giessendam, it is snowing for 2.2 days. Throughout December, 18mm (0.71") of snow is accumulated. In Giessendam, during the entire year, snow falls for 9.7 days and aggregates up to 68mm (2.68") of snow.Daylight
With an average of 7h and 54min of daylight, December has the shortest days of the year in Giessendam.On the first day of December, sunrise is at 08:26 and sunset at 16:33. On the last day of the month, sunrise is at 08:47 and sunset at 16:40 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 in Giessendam are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Giessendam during December?
What is the most humid month in Giessendam?
What is the average humidity in December in Giessendam?
How many days does it rain in December in Giessendam?
How many days does it snow in December in Giessendam?
What is the month with the shortest days in Giessendam?
What is the average length of the day in December in Giessendam?
When is the sunrise / sunset in December in Giessendam?
What is the month with the least sunshine in Giessendam?
How many hours of sunshine does Giessendam have in December?
What is the month with the lowest UV index in Giessendam?
What is the UV index intensity in December in Giessendam?
Average temperature in December
Giessendam, Netherlands
- Average high temperature in December: 6.5°C
The warmest month (with the highest average high temperature) is July (22.4°C).
The month with the lowest average high temperature is January (5.4°C).
- Average low temperature in December: 3.3°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).
Average pressure in December
Giessendam, Netherlands
- Average pressure in December: 1015mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).
Average wind speed in December
Giessendam, Netherlands
- Average wind speed in December: 18.1km/h
The windiest month (with the highest average wind speed) is December (18.1km/h).
The calmest month (with the lowest average wind speed) is August (12.2km/h).
Average humidity in December
Giessendam, Netherlands
- Average humidity in December: 87%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Giessendam, Netherlands
- Average rainfall in December: 54mm
The wettest month (with the highest rainfall) is August (60mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in December
Giessendam, Netherlands
- Average rainfall days in December: 17.9 days
The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is February (13.4 days).
Average snowfall in December
Giessendam, Netherlands
- Average snowfall in December: 18mm
The month with the highest snowfall is February (27mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Giessendam, Netherlands
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is February (3.3 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
Giessendam, 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: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in December
Giessendam, Netherlands
- Average sunshine days in December: 9.4 days
The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is August (7.7 days).
Average UV index in December
Giessendam, 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
Giessendam, Netherlands
- Average cloud cover in December: 64
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and August (Cloud cover 40).
Average visibility in December
Giessendam, 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).
