December weather forecastGumna, Poland

December

Weather in December

The first month of the winter, December, is also a wintry month in Gumna, Poland, with temperature in the range of an average low of -2.6°C (27.3°F) and an average high of 1.8°C (35.2°F).

Temperature

December brings a decrease in the average high-temperature, shifting from a chilly 7.8°C (46°F) in November to a wintry 1.8°C (35.2°F). Gumna, during December nights, witnesses an average temperature marginally cooler than its daytime highs, at a freezing cold -2.6°C (27.3°F).

Humidity

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

Rainfall

In Gumna, in December, during 10.2 rainfall days, 39mm (1.54") of precipitation is typically accumulated. Throughout the year, in Gumna, Poland, there are 143.9 rainfall days, and 479mm (18.86") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Gumna, in December, during 10.1 snowfall days, 131mm (5.16") of snow is typically accumulated. Throughout the year, there are 49.8 snowfall days, and 576mm (22.68") of snow is accumulated.

Daylight

December has the shortest days of the year in Gumna, with an average of 8h and 12min of daylight.
On the first day of December, sunrise is at 07:21 and sunset at 15:47. On the last day of the month, sunrise is at 07:42 and sunset at 15:54 CET.

Sunshine

In December, the average sunshine in Gumna is 4.1h.

UV index

February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Gumna, Poland. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily high UV index of 1 in December leads to these guidelines:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.

Frequently asked questions

December temperatures vary between a high-temperature of 1.8°C (35.2°F) and a low-temperature of -2.6°C (27.3°F).

The average relative humidity in December in Gumna, Poland, is 87%.

In Gumna, in December, it is raining for 10.2 days, with typically 39mm (1.54") of accumulated precipitation.

In Gumna, during December, snow falls for 10.1 days and regularly aggregates up to 131mm (5.16") of snow.

December has the shortest days of the year in Gumna, Poland, with an average of 8h and 12min of daylight.

The average day length in December is 8h and 12min.

On the first day of December, sunrise is at 07:21 and sunset at 15:47. On the last day of the month, sunrise is at 07:42 and sunset at 15:54 CET.

The average sunshine duration in December in Gumna is 4.1h.

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

The average daily maximum UV index in December in Gumna is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Gumna, Poland

  • Average high temperature in December: 1.8°C

The warmest month (with the highest average high temperature) is August (24°C).
The month with the lowest average high temperature is January (-0.3°C).

  • Average low temperature in December: -2.6°C

The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (-4.8°C).

Average pressure in December
Gumna, Poland

  • Average pressure in December: 1018.8mbar

The months with the highest atmospheric pressure are October and December (1018.8mbar).
The month with the lowest atmospheric pressure is July (1014.6mbar).

Average wind speed in December
Gumna, Poland

  • Average wind speed in December: 12.7km/h

The windiest month (with the highest average wind speed) is December (12.7km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).

Average humidity in December
Gumna, Poland

  • Average humidity in December: 87%

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

Average rainfall in December
Gumna, Poland

  • Average rainfall in December: 39mm

The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the least rainfall) is November (25mm).

Average rainfall days in December
Gumna, Poland

  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (7.6 days).

Average snowfall in December
Gumna, Poland

  • Average snowfall in December: 131mm

The month with the highest snowfall is January (193mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Gumna, Poland

  • Average snowfall days in December: 10.1 days

The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 8h and 12min

The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in December: 4h and 6min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).

Average sunshine days in December
Gumna, Poland

  • Average sunshine days in December: 13 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is February (9.5 days).

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

Average cloud cover in December
Gumna, Poland

  • Average cloud cover in December: 59

The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
Gumna, Poland

  • Average visibility in December: 8km

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