December weather forecastGrzymki, Poland

December

Weather in December

December, the first month of the winter in Grzymki, is also a wintry month, with an average temperature fluctuating between 1.4°C (34.5°F) and -1.9°C (28.6°F).

Temperature

The arrival of December correlates with a minor temperature reduction, down from November's frosty 6.1°C (43°F) to an icy 1.4°C (34.5°F). December nighttime temperatures hover close to the daytime peak with an average of -1.9°C (28.6°F).

Humidity

In Grzymki, the average relative humidity in December is 89%.

Rainfall

In Grzymki, in December, during 8.3 rainfall days, 19mm (0.75") of precipitation is typically accumulated. Throughout the year, in Grzymki, there are 130.4 rainfall days, and 284mm (11.18") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Grzymki, in December, snow falls for 11.3 days, with typically accumulated 49mm (1.93") of snow. Throughout the year, in Grzymki, there are 54.2 snowfall days, and 237mm (9.33") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 7h and 36min of daylight.
On the first day of the month, sunrise is at 07:23 and sunset at 15:16. On the last day of December, in Grzymki, sunrise is at 07:46 and sunset at 15:21 CET.

Sunshine

In December, the average sunshine is 2.7h.

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 estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high daily UV index of 1 during December translates into the following directions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

The average high-temperature and low-temperature during December are 1.4°C (34.5°F) and -1.9°C (28.6°F) respectively.

In December, the average relative humidity in Grzymki is 89%.

In Grzymki, during December, the rain falls for 8.3 days and regularly aggregates up to 19mm (0.75") of precipitation.

In Grzymki, in December, snow falls for 11.3 days, with typically accumulated 49mm (1.93") of snow.

The month with the shortest days in Grzymki, Poland, is December, with an average of 7h and 36min of daylight.

In Grzymki, Poland, the average day length in December is 7h and 36min.

In December, on the first day of the month, sunrise is at 07:23 and sunset at 15:16. On the last day of the month, sunrise is at 07:46 and sunset at 15:21 CET.

The average sunshine duration in December in Grzymki is 2.7h.

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

In December, the average daily maximum UV index in Grzymki is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Grzymki, Poland

  • Average high temperature in December: 1.4°C

The warmest month (with the highest average high temperature) is July (24.3°C).
The month with the lowest average high temperature is January (-1.2°C).

  • Average low temperature in December: -1.9°C

The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is January (-4.6°C).

Average pressure in December
Grzymki, Poland

  • Average pressure in December: 1015.3mbar

The month with the highest atmospheric pressure is October (1017.9mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).

Average wind speed in December
Grzymki, Poland

  • Average wind speed in December: 13km/h

The windiest month (with the highest average wind speed) is December (13km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).

Average humidity in December
Grzymki, Poland

  • Average humidity in December: 89%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (69%).

Average rainfall in December
Grzymki, Poland

  • Average rainfall in December: 19mm

The wettest month (with the highest rainfall) is May (42mm).
The driest months (with the least rainfall) are February and March (14mm).

Average rainfall days in December
Grzymki, Poland

  • Average rainfall days in December: 8.3 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (6.2 days).

Average snowfall in December
Grzymki, Poland

  • Average snowfall in December: 49mm

The month with the highest snowfall is January (75mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Grzymki, Poland

  • Average snowfall days in December: 11.3 days

The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 7h and 36min

The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).

  • Average sunshine in December: 2h and 42min

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

Average sunshine days in December
Grzymki, Poland

  • Average sunshine days in December: 13.5 days

The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is February (10.9 days).

Average UV index in December
Grzymki, 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, November and December (UV index 1).

Average cloud cover in December
Grzymki, Poland

  • Average cloud cover in December: 74

The months with the most cloud cover are January and February (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in December
Grzymki, Poland

  • Average visibility in December: 8km

The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).