December weather forecastHaćki, Poland

December

Weather in December

December, the first month of the winter in Haćki, is also a wintry month, with an average temperature varying between -2.1°C (28.2°F) and 0.8°C (33.4°F).

Temperature

The start of December comes with a reduction in the average high-temperature, receding from a chilly 6.1°C (43°F) in November to a wintry 0.8°C (33.4°F). A consistent average low of -2.1°C (28.2°F) is noted in Haćki throughout December, only a small step down from its daytime high.

Humidity

In Haćki, the average relative humidity in December is 90%.

Rainfall

In Haćki, in December, during 11.7 rainfall days, 43mm (1.69") of precipitation is typically accumulated. In Haćki, during the entire year, the rain falls for 163.9 days and collects up to 512mm (20.16") of precipitation.

Snowfall

Months with snowfall in Haćki are January through April, October through December. In Haćki, in December, snow falls for 15.2 days, with typically accumulated 121mm (4.76") of snow. In Haćki, during the entire year, snow falls for 70.6 days and aggregates up to 580mm (22.83") of snow.

Daylight

With an average of 7h and 42min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 07:17 and sunset at 15:15. On the last day of the month, sunrise is at 07:39 and sunset at 15:21 CET.

Sunshine

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

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Haćki. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: An average maximum UV index of 1 in December leads to these recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. To protect against the Sun's most potent rays, avoid direct exposure around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.

Frequently asked questions

In Haćki, 0.8°C (33.4°F) is the average high-temperature and -2.1°C (28.2°F) is the average low-temperature during December.

The average relative humidity in December in Haćki is 90%.

In Haćki, Poland, during December, the rain falls for 11.7 days and regularly aggregates up to 43mm (1.69") of precipitation.

In Haćki, in December, snow falls for 15.2 days, with typically accumulated 121mm (4.76") of snow.

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

In Haćki, Poland, the average day length in December is 7h and 42min.

In December, on the first day of the month, sunrise is at 07:17 and sunset at 15:15. On the last day of the month, in Haćki, Poland, sunrise is at 07:39 and sunset at 15:21 CET.

The average sunshine duration in December is 2.8h.

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

The average daily maximum UV index in December in Haćki is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Haćki, Poland

  • Average high temperature in December: 0.8°C

The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (-1.4°C).

  • Average low temperature in December: -2.1°C

The month with the highest average low temperature is July (13.9°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).

Average pressure in December
Haćki, Poland

  • Average pressure in December: 1015.8mbar

The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).

Average wind speed in December
Haćki, Poland

  • Average wind speed in December: 14.2km/h

The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).

Average humidity in December
Haćki, Poland

  • Average humidity in December: 90%

The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are April and August (70%).

Average rainfall in December
Haćki, Poland

  • Average rainfall in December: 43mm

The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the least rainfall) is April (27mm).

Average rainfall days in December
Haćki, Poland

  • Average rainfall days in December: 11.7 days

The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in December
Haćki, Poland

  • Average snowfall in December: 121mm

The month with the highest snowfall is January (187mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December
Haćki, Poland

  • Average snowfall days in December: 15.2 days

The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Haćki, 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: 2h and 48min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 2h and 18min).

Average sunshine days in December
Haćki, Poland

  • Average sunshine days in December: 7.6 days

The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is January (6.4 days).

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

Average cloud cover in December
Haćki, Poland

  • Average cloud cover in December: 74

The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Haćki, 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).