December weather forecastSłupeczno, Poland

December

Weather in December

The first month of the winter, December, is also a wintry month in Słupeczno, Poland, with temperature in the range of an average high of 1.5°C (34.7°F) and an average low of -1.9°C (28.6°F).

Temperature

A decrease in the average high-temperature is observed during December, shifting from a chilly 6.8°C (44.2°F) in November to a wintry 1.5°C (34.7°F). Słupeczno records a slight downturn to an average a subzero cold -1.9°C (28.6°F) during the nights of December.

Humidity

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

Rainfall

In Słupeczno, Poland, in December, during 10.1 rainfall days, 37mm (1.46") of precipitation is typically accumulated. In Słupeczno, during the entire year, the rain falls for 149.5 days and collects up to 457mm (17.99") of precipitation.

Snowfall

Months with snowfall in Słupeczno are January through April, October through December. In Słupeczno, Poland, in December, snow falls for 13.1 days, with typically accumulated 114mm (4.49") of snow. Throughout the year, there are 57.8 snowfall days, and 509mm (20.04") of snow is accumulated.

Daylight

With an average of 8h and 0min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 07:10 and sunset at 15:26. On the last day of December, in Słupeczno, sunrise is at 07:31 and sunset at 15:32 CET.

Sunshine

The average sunshine in December in Słupeczno is 3h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 1 during December translates into these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

In Słupeczno, in December, the average high-temperature is 1.5°C (34.7°F), and the average low-temperature is -1.9°C (28.6°F).

In December, the average relative humidity is 88%.

In Słupeczno, Poland, in December, it is raining for 10.1 days, with typically 37mm (1.46") of accumulated precipitation.

In Słupeczno, Poland, in December, during 13.1 snowfall days, 114mm (4.49") of snow is typically accumulated.

December has the shortest days of the year, with an average of 8h and 0min of daylight.

In Słupeczno, Poland, the average day length in December is 8h and 2min.

On the first day of December, sunrise is at 07:10 and sunset at 15:26. On the last day of the month, sunrise is at 07:31 and sunset at 15:32 CET.

The average sunshine duration in December in Słupeczno is 3h.

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

In December, the average daily maximum UV index in Słupeczno is 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
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
Słupeczno, Poland

  • Average high temperature in December: 1.5°C

The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (-0.8°C).

  • Average low temperature in December: -1.9°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 (-4.3°C).

Average pressure in December
Słupeczno, Poland

  • Average pressure in December: 1017.2mbar

The month with the highest atmospheric pressure is October (1018.8mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).

Average wind speed in December
Słupeczno, Poland

  • Average wind speed in December: 13.4km/h

The windiest month (with the highest average wind speed) is December (13.4km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).

Average humidity in December
Słupeczno, Poland

  • Average humidity in December: 88%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (67%).

Average rainfall in December
Słupeczno, Poland

  • Average rainfall in December: 37mm

The wettest month (with the highest rainfall) is May (62mm).
The driest month (with the least rainfall) is November (24mm).

Average rainfall days in December
Słupeczno, Poland

  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (6.7 days).

Average snowfall in December
Słupeczno, Poland

  • Average snowfall in December: 114mm

The month with the highest snowfall is January (158mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December
Słupeczno, Poland

  • Average snowfall days in December: 13.1 days

The month with the highest number of snowfall days is January (16.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

  • Average daylight in December: 8h and 0min

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 0min).

  • Average sunshine in December: 3h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

Average sunshine days in December
Słupeczno, Poland

  • Average sunshine days in December: 9.9 days

The months with the most sunshine days are October and November (16.1 days).
The month with the least sunshine days is July (9.1 days).

Average UV index in December
Słupeczno, Poland

  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in December
Słupeczno, Poland

  • Average cloud cover in December: 72

The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Słupeczno, Poland

  • Average visibility in December: 7km

The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (6km).