December weather forecastRobertów, Poland

December

Weather in December

The first month of the winter, December, is also an icy month in Robertów, Poland, with an average temperature ranging between max 2.4°C (36.3°F) and min -1.3°C (29.7°F).

Temperature

December's onset brings a negligible change in high-temperatures, falling from a frosty 7.1°C (44.8°F) in November to an icy 2.4°C (36.3°F). December records a small disparity from daytime temperatures, marking an average low-temperature of -1.3°C (29.7°F).

Humidity

In Robertów, the average relative humidity in December is 88%.

Rainfall

In Robertów, in December, it is raining for 10.5 days, with typically 25mm (0.98") of accumulated precipitation. Throughout the year, there are 138.8 rainfall days, and 352mm (13.86") of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 7.5 days. Throughout December, 36mm (1.42") of snow is accumulated. Throughout the year, there are 37.5 snowfall days, and 242mm (9.53") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 7h and 48min of daylight.
On the first day of the month, sunrise is at 07:29 and sunset at 15:31. On the last day of December, sunrise is at 07:50 and sunset at 15:37 CET.

Sunshine

The average sunshine in December is 3.2h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 1 in December translates into this advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. It's recommended to limit sun exposure when its radiation is at its peak during midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.

Frequently asked questions

In December, the average high-temperature and low-temperature are 2.4°C (36.3°F) and -1.3°C (29.7°F) respectively.

The average relative humidity in December in Robertów is 88%.

In Robertów, in December, during 10.5 rainfall days, 25mm (0.98") of precipitation is typically accumulated.

In Robertów, in December, snow falls for 7.5 days, with typically accumulated 36mm (1.42") of snow.

December has the shortest days of the year in Robertów, with an average of 7h and 48min of daylight.

In Robertów, the average day length in December is 7h and 47min.

On the first day of December in Robertów, sunrise is at 07:29 and sunset at 15:31. On the last day of the month, sunrise is at 07:50 and sunset at 15:37 CET.

In December, the average sunshine duration is 3.2h.

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

In Robertów, 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 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
Robertów, Poland

  • Average high temperature in December: 2.4°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 (-0.3°C).

  • Average low temperature in December: -1.3°C

The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).

Average pressure in December
Robertów, Poland

  • Average pressure in December: 1015.7mbar

The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).

Average wind speed in December
Robertów, Poland

  • Average wind speed in December: 15.1km/h

The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).

Average humidity in December
Robertów, Poland

  • Average humidity in December: 88%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (67%).

Average rainfall in December
Robertów, Poland

  • Average rainfall in December: 25mm

The wettest month (with the highest rainfall) is May (51mm).
The driest month (with the least rainfall) is April (17mm).

Average rainfall days in December
Robertów, Poland

  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in December
Robertów, Poland

  • Average snowfall in December: 36mm

The month with the highest snowfall is January (81mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Robertów, Poland

  • Average snowfall days in December: 7.5 days

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 7h and 48min

The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).

  • Average sunshine in December: 3h and 12min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in December
Robertów, Poland

  • Average sunshine days in December: 13.5 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (11.1 days).

Average UV index in December
Robertów, 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 and December (UV index 1).

Average cloud cover in December
Robertów, Poland

  • Average cloud cover in December: 70

The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in December
Robertów, Poland

  • Average visibility in December: 8km

The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).