December weather forecastIrenów, Poland

December

Weather in December

The first month of the winter, December, is also an icy month in Irenów, Poland, with an average temperature varying between -1.1°C (30°F) and 2.3°C (36.1°F).

Temperature

December's onset brings a slight change in high-temperatures, falling from a chilly 7.6°C (45.7°F) in November to a cold 2.3°C (36.1°F). A mean low-temperature of -1.1°C (30°F) is a distinguishing feature of December in Irenów, indicating a slight dip from daytime highs.

Humidity

The average relative humidity in December is 86%.

Rainfall

In Irenów, Poland, during December, the rain falls for 11.2 days and regularly aggregates up to 33mm (1.3") of precipitation. In Irenów, during the entire year, the rain falls for 152.2 days and collects up to 436mm (17.17") of precipitation.

Snowfall

January through May, October through December are months with snowfall in Irenów. In Irenów, Poland, during December, snow falls for 10.1 days and regularly aggregates up to 69mm (2.72") of snow. In Irenów, during the entire year, snow falls for 46 days and aggregates up to 327mm (12.87") of snow.

Daylight

With an average of 8h and 0min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 07:22 and sunset at 15:35. On the last day of the month, sunrise is at 07:44 and sunset at 15:41 CET.

Sunshine

The average sunshine in December in Irenów is 3.5h.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Irenów, Poland. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 1 in December translates into this advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

The high-temperature, in December, in Irenów, records 2.3°C (36.1°F), while the low-temperature is -1.1°C (30°F).

The average relative humidity in December in Irenów is 86%.

In Irenów, Poland, in December, during 11.2 rainfall days, 33mm (1.3") of precipitation is typically accumulated.

In December, in Irenów, it is snowing for 10.1 days. Throughout December, 69mm (2.72") of snow is accumulated.

With an average of 8h and 0min of daylight, December has the shortest days of the year.

In Irenów, the average day length in December is 7h and 58min.

In December, on the first day of the month, sunrise is at 07:22 and sunset at 15:35. On the last day of the month, in Irenów, Poland, sunrise is at 07:44 and sunset at 15:41 CET.

In December, the average sunshine duration in Irenów is 3.5h.

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

The average daily maximum UV index in December in Irenów is 1. A UV Index reading of 2, and below, represents a low health threat from 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
Irenów, Poland

  • Average high temperature in December: 2.3°C

The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (0°C).

  • Average low temperature in December: -1.1°C

The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).

Average pressure in December
Irenów, Poland

  • Average pressure in December: 1017.1mbar

The month with the highest atmospheric pressure is October (1018.4mbar).
The month with the lowest atmospheric pressure is July (1014mbar).

Average wind speed in December
Irenów, Poland

  • Average wind speed in December: 15.7km/h

The windiest month (with the highest average wind speed) is December (15.7km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).

Average humidity in December
Irenów, Poland

  • Average humidity in December: 86%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).

Average rainfall in December
Irenów, Poland

  • Average rainfall in December: 33mm

The wettest month (with the highest rainfall) is July (59mm).
The driest months (with the least rainfall) are April and November (22mm).

Average rainfall days in December
Irenów, Poland

  • Average rainfall days in December: 11.2 days

The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is February (8.6 days).

Average snowfall in December
Irenów, Poland

  • Average snowfall in December: 69mm

The month with the highest snowfall is January (107mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Irenów, Poland

  • Average snowfall days in December: 10.1 days

The month with the highest number of snowfall days is January (14.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 8h and 0min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in December: 3h and 30min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 3h and 6min).

Average sunshine days in December
Irenów, Poland

  • Average sunshine days in December: 11.7 days

The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is July (9.1 days).

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

Average cloud cover in December
Irenów, Poland

  • Average cloud cover in December: 66

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Irenów, Poland

  • Average visibility in December: 8km

The month with the highest visibility is August (10km).
The month with the lowest visibility is January (7km).