December weather forecastOporzyn, Poland

December

Weather in December

December, the first month of the winter in Oporzyn, is still a cold month, with an average temperature varying between 2.7°C (36.9°F) and -1°C (30.2°F).

Temperature

The move into December indicates a slight reduction in the average high-temperature, down from November's frosty 7.1°C (44.8°F) to a wintry 2.7°C (36.9°F). Oporzyn nights in December witness a mild cool down to an average temperature of -1°C (30.2°F).

Humidity

The months with the highest humidity in Oporzyn are January and December, with an average relative humidity of 89%.

Rainfall

In Oporzyn, in December, it is raining for 9.5 days, with typically 25mm (0.98") of accumulated precipitation. In Oporzyn, Poland, during the entire year, the rain falls for 132.7 days and collects up to 337mm (13.27") of precipitation.

Snowfall

January through April, November and December are months with snowfall in Oporzyn. In Oporzyn, in December, snow falls for 5.1 days, with typically accumulated 28mm (1.1") of snow. Throughout the year, there are 27.7 snowfall days, and 177mm (6.97") of snow is accumulated.

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 07:41 and sunset at 15:39. On the last day of the month, sunrise is at 08:04 and sunset at 15:44 CET.

Sunshine

The average sunshine in December is 3.1h.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Oporzyn. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 1 during December leads to these instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. It's recommended to limit sun exposure when its radiation is at its peak during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.

Frequently asked questions

An average high-temperature, in December, in Oporzyn, is 2.7°C (36.9°F) and the average low-temperature is -1°C (30.2°F).

January and December, with an average relative humidity of 89%, are most humid months in Oporzyn.

The average relative humidity in December in Oporzyn is 89%.

In December, in Oporzyn, the rain falls for 9.5 days. Throughout December, 25mm (0.98") of precipitation is accumulated.

In Oporzyn, in December, snow falls for 5.1 days, with typically accumulated 28mm (1.1") of snow.

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

The average day length in December is 7h and 41min.

On the first day of December in Oporzyn, Poland, sunrise is at 07:41 and sunset at 15:39. On the last day of the month, sunrise is at 08:04 and sunset at 15:44 CET.

In December, the average sunshine duration is 3.1h.

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

In Oporzyn, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's 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
Oporzyn, Poland

  • Average high temperature in December: 2.7°C

The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (0.6°C).

  • Average low temperature in December: -1°C

The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).

Average pressure in December
Oporzyn, Poland

  • Average pressure in December: 1014.7mbar

The month with the highest atmospheric pressure is October (1017.1mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).

Average wind speed in December
Oporzyn, Poland

  • Average wind speed in December: 14.5km/h

The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).

Average humidity in December
Oporzyn, Poland

  • Average humidity in December: 89%

The months with the highest relative humidity are January and December (89%).
The months with the lowest relative humidity are April and August (68%).

Average rainfall in December
Oporzyn, Poland

  • Average rainfall in December: 25mm

The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is April (14mm).

Average rainfall days in December
Oporzyn, Poland

  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is February (7.9 days).

Average snowfall in December
Oporzyn, Poland

  • Average snowfall in December: 28mm

The month with the highest snowfall is January (65mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December
Oporzyn, Poland

  • Average snowfall days in December: 5.1 days

The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Oporzyn, 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 6min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in December
Oporzyn, Poland

  • Average sunshine days in December: 16.6 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is February (14.3 days).

Average UV index in December
Oporzyn, Poland

  • Average UV index in December: 1

The months with the highest UV index are May, 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
Oporzyn, Poland

  • Average cloud cover in December: 71

The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in December
Oporzyn, Poland

  • Average visibility in December: 8km

The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, November and December (8km).