December weather forecastGrudzyny, Poland

December

Weather in December

December, the first month of the winter in Grudzyny, is still a cold month, with an average temperature ranging between min -1.8°C (28.8°F) and max 1.8°C (35.2°F).

Temperature

The beginning of December marks a decrease in the average high-temperature, transitioning from a frosty 7.2°C (45°F) in November to an icy 1.8°C (35.2°F). In Grudzyny, December is characterized by an average low-temperature of -1.8°C (28.8°F), indicating a minor drop from daytime highs.

Humidity

In December, the average relative humidity is 87%.

Rainfall

In December, the rain falls for 10.2 days. Throughout December, 36mm (1.42") of precipitation is accumulated. Throughout the year, there are 158.9 rainfall days, and 516mm (20.31") of precipitation is accumulated.

Snowfall

Months with snowfall in Grudzyny are January through April, October through December. In December, in Grudzyny, it is snowing for 11.8 days. Throughout December, 105mm (4.13") of snow is accumulated. In Grudzyny, Poland, during the entire year, snow falls for 58 days and aggregates up to 495mm (19.49") of snow.

Daylight

December has the shortest days of the year in Grudzyny, with an average of 8h and 6min of daylight.
On the first day of the month, sunrise is at 07:18 and sunset at 15:37. On the last day of December, in Grudzyny, sunrise is at 07:39 and sunset at 15:43 CET.

Sunshine

In December, the average sunshine in Grudzyny, Poland, is 3.4h.

UV index

November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 1 translates into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.

Frequently asked questions

December temperatures in Grudzyny vary between a high-temperature of 1.8°C (35.2°F) and a low-temperature of -1.8°C (28.8°F).

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

In Grudzyny, in December, during 10.2 rainfall days, 36mm (1.42") of precipitation is typically accumulated.

In December, in Grudzyny, Poland, it is snowing for 11.8 days. Throughout December, 105mm (4.13") of snow is accumulated.

The month with the shortest days in Grudzyny is December, with an average of 8h and 6min of daylight.

In December, the average day length in Grudzyny is 8h and 5min.

On the first day of December, sunrise is at 07:18 and sunset at 15:37. On the last day of the month, sunrise is at 07:39 and sunset at 15:43 CET.

In Grudzyny, Poland, the average sunshine duration in December is 3.4h.

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

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

  • Average high temperature in December: 1.8°C

The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (-0.7°C).

  • Average low temperature in December: -1.8°C

The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).

Average pressure in December
Grudzyny, Poland

  • Average pressure in December: 1017.6mbar

The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1014.2mbar).

Average wind speed in December
Grudzyny, Poland

  • Average wind speed in December: 15.2km/h

The windiest month (with the highest average wind speed) is December (15.2km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).

Average humidity in December
Grudzyny, Poland

  • Average humidity in December: 87%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and August (70%).

Average rainfall in December
Grudzyny, Poland

  • Average rainfall in December: 36mm

The wettest month (with the highest rainfall) is July (71mm).
The driest month (with the least rainfall) is November (27mm).

Average rainfall days in December
Grudzyny, Poland

  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is January (7 days).

Average snowfall in December
Grudzyny, Poland

  • Average snowfall in December: 105mm

The month with the highest snowfall is January (162mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December
Grudzyny, Poland

  • Average snowfall days in December: 11.8 days

The month with the highest number of snowfall days is January (17.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 8h and 6min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).

  • Average sunshine in December: 3h and 24min

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

Average sunshine days in December
Grudzyny, Poland

  • Average sunshine days in December: 10.5 days

The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is July (7.3 days).

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

Average cloud cover in December
Grudzyny, Poland

  • Average cloud cover in December: 67

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
Grudzyny, 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).