December weather forecastGronówek, Poland

December

Weather in December

December, the first month of the winter in Gronówek, is also a wintry month, with an average temperature fluctuating between -0.5°C (31.1°F) and 2.8°C (37°F).

Temperature

The start of December signals a decrease in the average high-temperature, transitioning from a chilly 7.9°C (46.2°F) in November to a cold 2.8°C (37°F). The December nights in Gronówek show a slight decrease to a mean low-temperature of -0.5°C (31.1°F).

Humidity

The average relative humidity in December in Gronówek is 86%.

Rainfall

In Gronówek, in December, during 12.5 rainfall days, 34mm (1.34") of precipitation is typically accumulated. Throughout the year, there are 163.4 rainfall days, and 454mm (17.87") of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In Gronówek, in December, snow falls for 10 days, with typically accumulated 69mm (2.72") of snow. Throughout the year, in Gronówek, there are 46.9 snowfall days, and 333mm (13.11") of snow is accumulated.

Daylight

The month with the shortest days in Gronówek, Poland, is December, with an average of 7h and 54min of daylight.
On the first day of December, sunrise is at 07:28 and sunset at 15:40. On the last day of the month, sunrise is at 07:50 and sunset at 15:46 CET.

Sunshine

In December, the average sunshine in Gronówek, Poland, is 3.4h.

UV index

November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 1 suggests these recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

An average high-temperature, in December, in Gronówek, is 2.8°C (37°F) and the average low-temperature is -0.5°C (31.1°F).

In Gronówek, Poland, the average relative humidity in December is 86%.

In Gronówek, Poland, in December, during 12.5 rainfall days, 34mm (1.34") of precipitation is typically accumulated.

In December, in Gronówek, Poland, it is snowing for 10 days. Throughout December, 69mm (2.72") of snow is accumulated.

With an average of 7h and 54min of daylight, December has the shortest days of the year in Gronówek.

In Gronówek, the average day length in December is 7h and 56min.

In December, on the first day of the month, sunrise is at 07:28 and sunset at 15:40. On the last day of the month, in Gronówek, Poland, sunrise is at 07:50 and sunset at 15:46 CET.

In December, the average sunshine duration in Gronówek, Poland, is 3.4h.

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

In Gronówek, Poland, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's 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
Gronówek, Poland

  • Average high temperature in December: 2.8°C

The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (0.3°C).

  • Average low temperature in December: -0.5°C

The month with the highest average low temperature is August (15.6°C).
The coldest month (with the lowest average low temperature) is January (-3°C).

Average pressure in December
Gronówek, Poland

  • Average pressure in December: 1016.8mbar

The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1014mbar).

Average wind speed in December
Gronówek, Poland

  • Average wind speed in December: 14.8km/h

The windiest month (with the highest average wind speed) is December (14.8km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).

Average humidity in December
Gronówek, Poland

  • Average humidity in December: 86%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (64%).

Average rainfall in December
Gronówek, Poland

  • Average rainfall in December: 34mm

The wettest months (with the highest rainfall) are May and June (57mm).
The driest month (with the least rainfall) is April (21mm).

Average rainfall days in December
Gronówek, Poland

  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (9.7 days).

Average snowfall in December
Gronówek, Poland

  • Average snowfall in December: 69mm

The month with the highest snowfall is January (110mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December
Gronówek, Poland

  • Average snowfall days in December: 10 days

The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 7h and 54min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in December: 3h and 24min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in December
Gronówek, Poland

  • Average sunshine days in December: 10.8 days

The month with the most sunshine days is October (16.2 days).
The month with the least sunshine days is June (8.7 days).

Average UV index in December
Gronówek, Poland

  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are November and December (UV index 1).

Average cloud cover in December
Gronówek, Poland

  • Average cloud cover in December: 67

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in December
Gronówek, 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).