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 beginning of December brings a slight decrease in the average high-temperature, transitioning from a frosty 8.3°C (46.9°F) in November to a wintry 3.5°C (38.3°F). Night temperatures in December exhibit a subtle decrease, settling at an average of -0.5°C (31.1°F).Humidity
In December, the average relative humidity in Siekówko is 87%.Rainfall
In Siekówko, in December, during 11.5 rainfall days, 27mm (1.06") of precipitation is typically accumulated. Throughout the year, in Siekówko, there are 131.6 rainfall days, and 324mm (12.76") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Siekówko, during December, snow falls for 6.8 days and regularly aggregates up to 48mm (1.89") of snow. Throughout the year, in Siekówko, there are 35.3 snowfall days, and 252mm (9.92") 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 December in Siekówko, sunrise is at 07:41 and sunset at 15:46. On the last day of the month, sunrise is at 08:02 and sunset at 15:52 CET.
Sunshine
In December, the average sunshine in Siekówko is 3.5h.UV index
January through March, 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 vulnerability from exposure to the Sun's UV rays for the average person.Note: An average UV index of 2 in December transforms into this advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Siekówko during December?
What is the average humidity in December in Siekówko?
How many days does it rain in December in Siekówko?
How many days does it snow in December in Siekówko?
What is the month with the shortest days in Siekówko?
What is the average length of the day in December in Siekówko?
What time are sunrise and sunset in December in Siekówko?
How many hours of sunshine does Siekówko have in December?
What is the month with the lowest UV index in Siekówko?
What is the UV index reading in December in Siekówko?
Average temperature in December
Siekówko, Poland
- Average high temperature in December: 3.5°C
The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (1.3°C).
- Average low temperature in December: -0.5°C
The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in December
Siekówko, Poland
- Average pressure in December: 1016.4mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1014.3mbar).
Average wind speed in December
Siekówko, Poland
- Average wind speed in December: 13.8km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest months (with the lowest average wind speed) are July and August (11km/h).
Average humidity in December
Siekówko, Poland
- Average humidity in December: 87%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Siekówko, Poland
- Average rainfall in December: 27mm
The wettest month (with the highest rainfall) is May (41mm).
The driest month (with the least rainfall) is September (17mm).
Average rainfall days in December
Siekówko, Poland
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is September (7.9 days).
Average snowfall in December
Siekówko, Poland
- Average snowfall in December: 48mm
The month with the highest snowfall is January (91mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Siekówko, Poland
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Siekówko, Poland
- Average daylight in December: 7h and 5min
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 3min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Siekówko, Poland
- Average sunshine days in December: 13.6 days
The month with the most sunshine days is September (21.5 days).
The month with the least sunshine days is February (11.4 days).
Average UV index in December
Siekówko, Poland
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (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
Siekówko, Poland
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Siekówko, Poland
- Average visibility in December: 8km
The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is January (7km).
