December weather forecastRowiny, Poland

December

Weather in December

December, the first month of the winter in Rowiny, is also a wintry month, with an average temperature varying between -1.7°C (28.9°F) and 1.2°C (34.2°F).

Temperature

As November shifts into December, a slight alteration in temperatures is observed, with average highs reducing from a chilly 6.5°C (43.7°F) to an icy 1.2°C (34.2°F). Rowiny's December nights demonstrate minimal variation from the daytime temperatures, with an average of -1.7°C (28.9°F).

Humidity

In December, the average relative humidity is 89%.

Rainfall

In Rowiny, in December, during 10.2 rainfall days, 34mm (1.34") of precipitation is typically accumulated. Throughout the year, there are 144.9 rainfall days, and 439mm (17.28") of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Rowiny, in December, during 13 snowfall days, 89mm (3.5") of snow is typically accumulated. In Rowiny, during the entire year, snow falls for 61.8 days and aggregates up to 481mm (18.94") of snow.

Daylight

With an average of 7h and 54min of daylight, December has the shortest days of the year in Rowiny.
On the first day of the month, sunrise is at 07:12 and sunset at 15:20. On the last day of December, sunrise is at 07:34 and sunset at 15:26 CET.

Sunshine

In December, the average sunshine in Rowiny is 2.8h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Rowiny. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.

Frequently asked questions

During December, Rowiny experiences an average high-temperature of 1.2°C (34.2°F) and a low-temperature of -1.7°C (28.9°F).

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

In Rowiny, during December, the rain falls for 10.2 days and regularly aggregates up to 34mm (1.34") of precipitation.

In Rowiny, in December, during 13 snowfall days, 89mm (3.5") of snow is typically accumulated.

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

The average day length in December in Rowiny is 7h and 52min.

In December, on the first day of the month, sunrise is at 07:12 and sunset at 15:20. On the last day of the month, in Rowiny, Poland, sunrise is at 07:34 and sunset at 15:26 CET.

The average sunshine duration in December is 2.8h.

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

The average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents 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
Rowiny, Poland

  • Average high temperature in December: 1.2°C

The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (-1.3°C).

  • Average low temperature in December: -1.7°C

The months with the highest average low temperature are July and August (14.3°C).
The coldest month (with the lowest average low temperature) is January (-4.5°C).

Average pressure in December
Rowiny, Poland

  • Average pressure in December: 1016.4mbar

The month with the highest atmospheric pressure is October (1018.6mbar).
The month with the lowest atmospheric pressure is July (1013.4mbar).

Average wind speed in December
Rowiny, Poland

  • Average wind speed in December: 13.7km/h

The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).

Average humidity in December
Rowiny, 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
Rowiny, Poland

  • Average rainfall in December: 34mm

The wettest month (with the highest rainfall) is May (67mm).
The driest month (with the least rainfall) is November (20mm).

Average rainfall days in December
Rowiny, Poland

  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in December
Rowiny, Poland

  • Average snowfall in December: 89mm

The month with the highest snowfall is January (164mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December
Rowiny, Poland

  • Average snowfall days in December: 13 days

The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 7h and 54min

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

  • Average sunshine in December: 2h and 48min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 2h and 18min).

Average sunshine days in December
Rowiny, Poland

  • Average sunshine days in December: 10.6 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is January (7.2 days).

Average UV index in December
Rowiny, 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 January and December (UV index 1).

Average cloud cover in December
Rowiny, Poland

  • Average cloud cover in December: 73

The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in December
Rowiny, 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).