December weather forecastSiamoszyce, Poland

December

Weather in December

The first month of the winter, December, is also an icy month in Siamoszyce, Poland, with temperature in the range of an average low of -1.8°C (28.8°F) and an average high of 1.6°C (34.9°F).

Temperature

Welcoming December, Siamoszyce observes a shift in the average high-temperature, falling from November's chilly 7.3°C (45.1°F) to an icy 1.6°C (34.9°F). Siamoszyce upholds a consistent average temperature of -1.8°C (28.8°F) throughout the nights of December.

Humidity

In December, the average relative humidity is 86%.

Rainfall

In Siamoszyce, in December, during 7.5 rainfall days, 25mm (0.98") of precipitation is typically accumulated. Throughout the year, in Siamoszyce, there are 138.8 rainfall days, and 438mm (17.24") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Siamoszyce, Poland. In Siamoszyce, in December, snow falls for 9.8 days, with typically accumulated 82mm (3.23") of snow. Throughout the year, there are 47.1 snowfall days, and 358mm (14.09") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 6min of daylight.
On the first day of the month, sunrise is at 07:21 and sunset at 15:40. On the last day of December, sunrise is at 07:42 and sunset at 15:47 CET.

Sunshine

In December, the average sunshine is 3.3h.

UV index

The months with the lowest UV index are November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 1 during December translates into the following directions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Boost your sun resistance with garments that are densely woven yet spacious. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.

Frequently asked questions

During December, Siamoszyce experiences an average high-temperature of 1.6°C (34.9°F) and a low-temperature of -1.8°C (28.8°F).

In December, the average relative humidity is 86%.

In Siamoszyce, in December, during 7.5 rainfall days, 25mm (0.98") of precipitation is typically accumulated.

In Siamoszyce, during December, snow falls for 9.8 days and regularly aggregates up to 82mm (3.23") of snow.

December has the shortest days of the year in Siamoszyce, with an average of 8h and 6min of daylight.

In December, the average day length in Siamoszyce is 8h and 5min.

In December, on the first day of the month, sunrise is at 07:21 and sunset at 15:40. On the last day of the month, in Siamoszyce, sunrise is at 07:42 and sunset at 15:47 CET.

In Siamoszyce, Poland, the average sunshine duration in December is 3.3h.

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

The average daily maximum UV index in December in Siamoszyce, Poland, is 1. A UV Index estimate of 2, and below, represents a low health threat from 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
Siamoszyce, Poland

  • Average high temperature in December: 1.6°C

The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (-0.7°C).

  • Average low temperature in December: -1.8°C

The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).

Average pressure in December
Siamoszyce, Poland

  • Average pressure in December: 1018.1mbar

The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1014.4mbar).

Average wind speed in December
Siamoszyce, Poland

  • Average wind speed in December: 16.6km/h

The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).

Average humidity in December
Siamoszyce, Poland

  • Average humidity in December: 86%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and August (69%).

Average rainfall in December
Siamoszyce, Poland

  • Average rainfall in December: 25mm

The wettest month (with the highest rainfall) is July (71mm).
The driest month (with the least rainfall) is November (18mm).

Average rainfall days in December
Siamoszyce, Poland

  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is January (6.2 days).

Average snowfall in December
Siamoszyce, Poland

  • Average snowfall in December: 82mm

The month with the highest snowfall is January (116mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Siamoszyce, Poland

  • Average snowfall days in December: 9.8 days

The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 8h and 6min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).

  • Average sunshine in December: 3h and 18min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).

Average sunshine days in December
Siamoszyce, Poland

  • Average sunshine days in December: 14.6 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (9.2 days).

Average UV index in December
Siamoszyce, Poland

  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are November and December (UV index 1).

Average cloud cover in December
Siamoszyce, Poland

  • Average cloud cover in December: 68

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

Average visibility in December
Siamoszyce, Poland

  • Average visibility in December: 8km

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