December weather forecastJaranowo, Poland

December

Weather in December

December, the first month of the winter in Jaranowo, is also an icy month, with an average temperature fluctuating between -1°C (30.2°F) and 2.5°C (36.5°F).

Temperature

The onset of December results in a small decrease in the average high-temperature, moderately receding from a chilly 7.2°C (45°F) in November to a cold 2.5°C (36.5°F). Jaranowo's nocturnal readings in December exhibit minimal variation from the daytime temperatures, averaging at a freezing cold -1°C (30.2°F).

Humidity

In December, the average relative humidity is 87%.

Rainfall

In Jaranowo, during December, the rain falls for 11.4 days and regularly aggregates up to 24mm (0.94") of precipitation. Throughout the year, in Jaranowo, there are 142.7 rainfall days, and 343mm (13.5") of precipitation is accumulated.

Snowfall

Months with snowfall in Jaranowo are January through May, October through December. In Jaranowo, during December, snow falls for 6.8 days and regularly aggregates up to 30mm (1.18") of snow. Throughout the year, there are 35.6 snowfall days, and 217mm (8.54") of snow is accumulated.

Daylight

With an average of 7h and 42min of daylight, December has the shortest days of the year in Jaranowo.
On the first day of December in Jaranowo, Poland, sunrise is at 07:34 and sunset at 15:33. On the last day of the month, sunrise is at 07:56 and sunset at 15:39 CET.

Sunshine

The average sunshine in December is 3.2h.

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 value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 1 during December leads to these advisories:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.

Frequently asked questions

During December, Jaranowo experiences an average high-temperature of 2.5°C (36.5°F) and a low-temperature of -1°C (30.2°F).

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

In December, in Jaranowo, Poland, the rain falls for 11.4 days. Throughout December, 24mm (0.94") of precipitation is accumulated.

In Jaranowo, Poland, in December, snow falls for 6.8 days, with typically accumulated 30mm (1.18") of snow.

December has the shortest days of the year, with an average of 7h and 42min of daylight.

In December, the average day length is 7h and 44min.

On the first day of December in Jaranowo, Poland, sunrise is at 07:34 and sunset at 15:33. On the last day of the month, sunrise is at 07:56 and sunset at 15:39 CET.

In Jaranowo, the average sunshine duration in December is 3.2h.

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

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

  • Average high temperature in December: 2.5°C

The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (0.3°C).

  • Average low temperature in December: -1°C

The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).

Average pressure in December
Jaranowo, Poland

  • Average pressure in December: 1015.5mbar

The month with the highest atmospheric pressure is October (1017.7mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).

Average wind speed in December
Jaranowo, Poland

  • Average wind speed in December: 15.4km/h

The windiest month (with the highest average wind speed) is December (15.4km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).

Average humidity in December
Jaranowo, 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 (66%).

Average rainfall in December
Jaranowo, Poland

  • Average rainfall in December: 24mm

The wettest month (with the highest rainfall) is May (45mm).
The driest month (with the least rainfall) is April (17mm).

Average rainfall days in December
Jaranowo, Poland

  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.9 days).

Average snowfall in December
Jaranowo, Poland

  • Average snowfall in December: 30mm

The month with the highest snowfall is January (71mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Jaranowo, Poland

  • Average snowfall days in December: 6.8 days

The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Jaranowo, 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 12min

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 54min).

Average sunshine days in December
Jaranowo, Poland

  • Average sunshine days in December: 13.1 days

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in December
Jaranowo, 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
Jaranowo, Poland

  • Average cloud cover in December: 69

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in December
Jaranowo, 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).