December weather forecastRetka, Poland

December

Weather in December

December, the first month of the winter in Retka, is also a wintry month, with an average temperature ranging between min -1.6°C (29.1°F) and max 1.6°C (34.9°F).

Temperature

Retka's December weather shows a modest shift in high-temperatures, falling from November's frosty 6.5°C (43.7°F) to a wintry 1.6°C (34.9°F). An average temperature of -1.6°C (29.1°F) is logged during the nights of December, a small step down from daytime highs.

Humidity

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

Rainfall

In Retka, Poland, in December, it is raining for 9.4 days, with typically 24mm (0.94") of accumulated precipitation. Throughout the year, there are 135.2 rainfall days, and 349mm (13.74") of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Retka, during December, snow falls for 8.7 days and regularly aggregates up to 51mm (2.01") of snow. In Retka, during the entire year, snow falls for 43.2 days and aggregates up to 291mm (11.46") of snow.

Daylight

December has the shortest days of the year, with an average of 7h and 42min of daylight.
On the first day of December in Retka, sunrise is at 07:26 and sunset at 15:23. On the last day of the month, sunrise is at 07:48 and sunset at 15:29 CET.

Sunshine

In Retka, the average sunshine in December is 3h.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Retka. 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: A maximum high daily UV index of 1 during December translates into the following directions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

Frequently asked questions

In Retka, in December, the average high-temperature is 1.6°C (34.9°F), and the average low-temperature is -1.6°C (29.1°F).

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

In Retka, Poland, in December, during 9.4 rainfall days, 24mm (0.94") of precipitation is typically accumulated.

In Retka, in December, during 8.7 snowfall days, 51mm (2.01") of snow is typically accumulated.

With an average of 7h and 42min of daylight, December has the shortest days of the year in Retka, Poland.

In December, the average day length in Retka is 7h and 41min.

On the first day of December in Retka, Poland, sunrise is at 07:26 and sunset at 15:23. On the last day of the month, sunrise is at 07:48 and sunset at 15:29 CET.

In Retka, Poland, the average sunshine duration in December is 3h.

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

In Retka, Poland, the average daily maximum UV index in December 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
Retka, Poland

  • Average high temperature in December: 1.6°C

The warmest months (with the highest average high temperature) are July and August (24.2°C).
The month with the lowest average high temperature is January (-0.8°C).

  • Average low temperature in December: -1.6°C

The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).

Average pressure in December
Retka, Poland

  • Average pressure in December: 1015.4mbar

The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).

Average wind speed in December
Retka, 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 (10km/h).

Average humidity in December
Retka, Poland

  • Average humidity in December: 89%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (68%).

Average rainfall in December
Retka, Poland

  • Average rainfall in December: 24mm

The wettest month (with the highest rainfall) is May (46mm).
The driest month (with the least rainfall) is April (14mm).

Average rainfall days in December
Retka, Poland

  • Average rainfall days in December: 9.4 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.2 days).

Average snowfall in December
Retka, Poland

  • Average snowfall in December: 51mm

The month with the highest snowfall is January (108mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Retka, Poland

  • Average snowfall days in December: 8.7 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
Retka, Poland

  • Average daylight in December: 7h and 42min

The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).

  • Average sunshine in December: 3h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

Average sunshine days in December
Retka, Poland

  • Average sunshine days in December: 14.1 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (11.1 days).

Average UV index in December
Retka, 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
Retka, Poland

  • Average cloud cover in December: 72

The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in December
Retka, Poland

  • Average visibility in December: 8km

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