December weather forecastBylin, Poland

December

Weather in December

December, the first month of the winter in Bylin, is also an icy month, with an average temperature varying between -0.9°C (30.4°F) and 3°C (37.4°F).

Temperature

The onset of December brings a small shift in high-temperatures, falling from a frosty 7.6°C (45.7°F) in November to a wintry 3°C (37.4°F). Night temperatures during December stabilize at an average of -0.9°C (30.4°F), closely mirroring the daytime temperatures.

Humidity

In Bylin, the average relative humidity in December is 88%.

Rainfall

In December, the rain falls for 11.9 days. Throughout December, 26mm (1.02") of precipitation is accumulated. Throughout the year, in Bylin, there are 153.2 rainfall days, and 354mm (13.94") of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall in Bylin. In Bylin, in December, during 7.5 snowfall days, 39mm (1.54") of snow is typically accumulated. In Bylin, during the entire year, snow falls for 31.7 days and aggregates up to 200mm (7.87") of snow.

Daylight

December has the shortest days of the year in Bylin, with an average of 7h and 48min of daylight.
On the first day of the month, sunrise is at 07:39 and sunset at 15:42. On the last day of December, sunrise is at 08:01 and sunset at 15:48 CET.

Sunshine

In December, the average sunshine in Bylin is 3.2h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 1 during December translates into the following directions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.

Frequently asked questions

In December, the average high-temperature and low-temperature in Bylin are 3°C (37.4°F) and -0.9°C (30.4°F) respectively.

The average relative humidity in December in Bylin is 88%.

In December, in Bylin, the rain falls for 11.9 days. Throughout December, 26mm (1.02") of precipitation is accumulated.

In Bylin, Poland, during December, snow falls for 7.5 days and regularly aggregates up to 39mm (1.54") of snow.

December has the shortest days of the year in Bylin, with an average of 7h and 48min of daylight.

In Bylin, Poland, the average day length in December is 7h and 47min.

On the first day of December in Bylin, sunrise is at 07:39 and sunset at 15:42. On the last day of the month, sunrise is at 08:01 and sunset at 15:48 CET.

The average sunshine duration in December in Bylin, Poland, is 3.2h.

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Bylin, Poland.

In December, the average daily maximum UV index in Bylin 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
Bylin, Poland

  • Average high temperature in December: 3°C

The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (0.9°C).

  • Average low temperature in December: -0.9°C

The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).

Average pressure in December
Bylin, Poland

  • Average pressure in December: 1015.7mbar

The month with the highest atmospheric pressure is October (1017.6mbar).
The month with the lowest atmospheric pressure is July (1014mbar).

Average wind speed in December
Bylin, Poland

  • Average wind speed in December: 14.9km/h

The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest month (with the lowest average wind speed) is August (11.4km/h).

Average humidity in December
Bylin, Poland

  • Average humidity in December: 88%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).

Average rainfall in December
Bylin, Poland

  • Average rainfall in December: 26mm

The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (15mm).

Average rainfall days in December
Bylin, Poland

  • Average rainfall days in December: 11.9 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (8.5 days).

Average snowfall in December
Bylin, Poland

  • Average snowfall in December: 39mm

The month with the highest snowfall is January (74mm).
The months with the least snowfall are June, July, August, September and October (0mm).

Average snowfall days in December
Bylin, Poland

  • Average snowfall days in December: 7.5 days

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

  • Average daylight in December: 7h and 48min

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 12min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in December
Bylin, Poland

  • Average sunshine days in December: 11.5 days

The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is January (11.3 days).

Average UV index in December
Bylin, 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 January and December (UV index 1).

Average cloud cover in December
Bylin, Poland

  • Average cloud cover in December: 69

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in December
Bylin, Poland

  • Average visibility in December: 8km

The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (7km).