December weather forecastGrygrów, Poland

December

Weather in December

December, the first month of the winter in Grygrów, is also an icy month, with an average temperature ranging between min -1.4°C (29.5°F) and max 1.7°C (35.1°F).

Temperature

Setting in of December comes with a decrease in the average high-temperature, moving from a frosty 6.7°C (44.1°F) in November to an icy 1.7°C (35.1°F). Grygrów's nighttime average temperature in December drops marginally from the daytime highs, settling at a subzero cold -1.4°C (29.5°F).

Humidity

The average relative humidity in December is 87%.

Rainfall

In Grygrów, during December, the rain falls for 9.6 days and regularly aggregates up to 29mm (1.14") of precipitation. In Grygrów, Poland, during the entire year, the rain falls for 128.4 days and collects up to 336mm (13.23") of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 8.3 days. Throughout December, 58mm (2.28") of snow is accumulated. In Grygrów, Poland, during the entire year, snow falls for 42.5 days and aggregates up to 316mm (12.44") of snow.

Daylight

With an average of 7h and 48min of daylight, December has the shortest days of the year in Grygrów.
On the first day of the month, sunrise is at 07:21 and sunset at 15:22. On the last day of December, in Grygrów, sunrise is at 07:43 and sunset at 15:28 CET.

Sunshine

In December, the average sunshine is 3.3h.

UV index

In December, the average daily maximum UV index in Grygrów, Poland, is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: In December, the maximum UV index of 2 suggests this advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

An average high-temperature, in December, in Grygrów, is 1.7°C (35.1°F) and the average low-temperature is -1.4°C (29.5°F).

In December, the average relative humidity in Grygrów is 87%.

In Grygrów, Poland, during December, the rain falls for 9.6 days and regularly aggregates up to 29mm (1.14") of precipitation.

In Grygrów, Poland, in December, during 8.3 snowfall days, 58mm (2.28") of snow is typically accumulated.

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

The average day length in December in Grygrów, Poland, is 7h and 46min.

On the first day of December, sunrise is at 07:21 and sunset at 15:22. On the last day of the month, sunrise is at 07:43 and sunset at 15:28 CET.

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

The average daily maximum UV index in December in Grygrów is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Grygrów, Poland

  • Average high temperature in December: 1.7°C

The warmest months (with the highest average high temperature) are July and August (24.7°C).
The month with the lowest average high temperature is January (-0.7°C).

  • Average low temperature in December: -1.4°C

The months with the highest average low temperature are July and August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).

Average pressure in December
Grygrów, Poland

  • Average pressure in December: 1016.1mbar

The month with the highest atmospheric pressure is October (1018.1mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).

Average wind speed in December
Grygrów, Poland

  • Average wind speed in December: 14.2km/h

The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).

Average humidity in December
Grygrów, Poland

  • Average humidity in December: 87%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (67%).

Average rainfall in December
Grygrów, Poland

  • Average rainfall in December: 29mm

The wettest month (with the highest rainfall) is May (53mm).
The driest month (with the least rainfall) is September (19mm).

Average rainfall days in December
Grygrów, Poland

  • Average rainfall days in December: 9.6 days

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in December
Grygrów, Poland

  • Average snowfall in December: 58mm

The month with the highest snowfall is January (109mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Grygrów, Poland

  • Average snowfall days in December: 8.3 days

The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Grygrów, 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 18min

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 48min).

Average sunshine days in December
Grygrów, Poland

  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is February (11.6 days).

Average UV index in December
Grygrów, Poland

  • Average UV index in December: 2

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in December
Grygrów, 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 30).

Average visibility in December
Grygrów, Poland

  • Average visibility in December: 8km

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