December weather forecastSiecino, Poland

December

Weather in December

The first month of the winter, December, is also a wintry month in Siecino, Poland, with an average temperature fluctuating between 3.1°C (37.6°F) and -0.4°C (31.3°F).

Temperature

The beginning of December subtly marks a decrease in the average high-temperature, transitioning from a chilly 7.5°C (45.5°F) in November to a wintry 3.1°C (37.6°F). Nights in Siecino during December maintain a steady temperature, averaging at a freezing cold -0.4°C (31.3°F).

Humidity

The months with the highest humidity are January and December, with an average relative humidity of 89%.

Rainfall

In Siecino, Poland, in December, it is raining for 15.1 days, with typically 45mm (1.77") of accumulated precipitation. Throughout the year, there are 161.6 rainfall days, and 423mm (16.65") of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Siecino. In December, it is snowing for 9.1 days. Throughout December, 61mm (2.4") of snow is accumulated. Throughout the year, there are 40.2 snowfall days, and 268mm (10.55") of snow is accumulated.

Daylight

The month with the shortest days in Siecino, Poland, is December, with an average of 7h and 36min of daylight.
On the first day of December, sunrise is at 07:50 and sunset at 15:40. On the last day of the month, sunrise is at 08:12 and sunset at 15:45 CET.

Sunshine

In December, the average sunshine in Siecino, Poland, is 2.9h.

UV index

The months with the lowest UV index in Siecino are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 1 during December leads to these advisories:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.

Frequently asked questions

Siecino in December has an average high-temperature of 3.1°C (37.6°F) and an average low-temperature of -0.4°C (31.3°F).

The months with the highest humidity are January and December, with an average relative humidity of 89%.

In December, the average relative humidity in Siecino, Poland, is 89%.

In Siecino, in December, it is raining for 15.1 days, with typically 45mm (1.77") of accumulated precipitation.

In Siecino, Poland, in December, during 9.1 snowfall days, 61mm (2.4") of snow is typically accumulated.

December has the shortest days of the year in Siecino, Poland, with an average of 7h and 36min of daylight.

The average day length in December is 7h and 34min.

In December, on the first day of the month, sunrise is at 07:50 and sunset at 15:40. On the last day of the month, in Siecino, Poland, sunrise is at 08:12 and sunset at 15:45 CET.

In Siecino, the average sunshine duration in December is 2.9h.

The months with the lowest UV index in Siecino are January, November and December, with an average maximum UV index of 1.

In December, the average daily maximum UV index in Siecino, Poland, is 1. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Siecino, Poland

  • Average high temperature in December: 3.1°C

The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is January (1.3°C).

  • Average low temperature in December: -0.4°C

The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-2.2°C).

Average pressure in December
Siecino, Poland

  • Average pressure in December: 1013.7mbar

The months with the highest atmospheric pressure are September and October (1016.5mbar).
The month with the lowest atmospheric pressure is November (1013.3mbar).

Average wind speed in December
Siecino, Poland

  • Average wind speed in December: 15.9km/h

The windiest month (with the highest average wind speed) is December (15.9km/h).
The calmest month (with the lowest average wind speed) is August (12.2km/h).

Average humidity in December
Siecino, Poland

  • Average humidity in December: 89%

The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is April (71%).

Average rainfall in December
Siecino, Poland

  • Average rainfall in December: 45mm

The wettest month (with the highest rainfall) is January (48mm).
The driest month (with the least rainfall) is April (18mm).

Average rainfall days in December
Siecino, Poland

  • Average rainfall days in December: 15.1 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is September (10.5 days).

Average snowfall in December
Siecino, Poland

  • Average snowfall in December: 61mm

The month with the highest snowfall is January (88mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December
Siecino, Poland

  • Average snowfall days in December: 9.1 days

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Siecino, Poland

  • Average daylight in December: 7h and 36min

The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).

  • Average sunshine in December: 2h and 54min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in December
Siecino, Poland

  • Average sunshine days in December: 8.3 days

The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is December (8.3 days).

Average UV index in December
Siecino, Poland

  • Average UV index in December: 1

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, November and December (UV index 1).

Average cloud cover in December
Siecino, Poland

  • Average cloud cover in December: 73

The month with the most cloud cover is December (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in December
Siecino, Poland

  • Average visibility in December: 8km

The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, November and December (8km).