December weather forecastGrązów, Poland

December

Weather in December

The first month of the winter, December, is still a cold month in Grązów, Poland, with an average temperature varying between 1.6°C (34.9°F) and -1.8°C (28.8°F).

Temperature

The beginning of December involves a decrease in the average high-temperature, transitioning from a frosty 7.3°C (45.1°F) in November to a cold 1.6°C (34.9°F). A modest dip in temperatures to an average of -1.8°C (28.8°F) is observed throughout Grązów's December nights.

Humidity

The average relative humidity in December is 86%.

Rainfall

In December, in Grązów, the rain falls for 7.5 days. Throughout December, 25mm (0.98") of precipitation is accumulated. In Grązów, during the entire year, the rain falls for 138.8 days and collects up to 438mm (17.24") of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Grązów, in December, snow falls for 9.8 days, with typically accumulated 82mm (3.23") of snow. In Grązów, during the entire year, snow falls for 47.1 days and aggregates up to 358mm (14.09") of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 6min of daylight.
On the first day of the month, sunrise is at 07:19 and sunset at 15:38. On the last day of December, in Grązów, sunrise is at 07:40 and sunset at 15:45 CET.

Sunshine

The average sunshine in December in Grązów is 3.3h.

UV index

November and December, with an average maximum UV index of 1, are months with the lowest UV index in Grązów. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 1 in December transforms into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Frequently asked questions

The average high-temperature and low-temperature in Grązów, Poland, during December are 1.6°C (34.9°F) and -1.8°C (28.8°F) respectively.

The average relative humidity in December in Grązów, Poland, is 86%.

In December, in Grązów, the rain falls for 7.5 days. Throughout December, 25mm (0.98") of precipitation is accumulated.

In Grązów, in December, during 9.8 snowfall days, 82mm (3.23") of snow is typically accumulated.

December has the shortest days of the year in Grązów, with an average of 8h and 6min of daylight.

The average day length in December in Grązów is 8h and 5min.

In December, on the first day of the month, sunrise is at 07:19 and sunset at 15:38. On the last day of the month, in Grązów, Poland, sunrise is at 07:40 and sunset at 15:45 CET.

The average sunshine duration in December in Grązów, Poland, is 3.3h.

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

In December, the average daily maximum UV index in Grązów, Poland, is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe 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
Grązów, Poland

  • Average high temperature in December: 1.6°C

The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (-0.7°C).

  • Average low temperature in December: -1.8°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 (-4.1°C).

Average pressure in December
Grązów, Poland

  • Average pressure in December: 1018.1mbar

The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1014.4mbar).

Average wind speed in December
Grązów, Poland

  • Average wind speed in December: 16.6km/h

The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).

Average humidity in December
Grązów, Poland

  • Average humidity in December: 86%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and August (69%).

Average rainfall in December
Grązów, Poland

  • Average rainfall in December: 25mm

The wettest month (with the highest rainfall) is July (71mm).
The driest month (with the least rainfall) is November (18mm).

Average rainfall days in December
Grązów, Poland

  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is January (6.2 days).

Average snowfall in December
Grązów, Poland

  • Average snowfall in December: 82mm

The month with the highest snowfall is January (116mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Grązów, Poland

  • Average snowfall days in December: 9.8 days

The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 8h and 6min

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 6min).

  • Average sunshine in December: 3h and 18min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).

Average sunshine days in December
Grązów, Poland

  • Average sunshine days in December: 14.6 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (9.2 days).

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

Average cloud cover in December
Grązów, 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 34).

Average visibility in December
Grązów, Poland

  • Average visibility in December: 8km

The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and December (8km).