December weather forecastŁomianki, Poland

December weather for Łomianki, Poland: In Łomianki, in December, during 7 snowfall days, 39mm (1.54") of snow is typically accumulated. In Łomianki, Poland, in December, during 9.5 rainfall days, 25mm (0.98") of precipitation is typically accumulated.

December

Weather in December

December, the first month of the winter in Łomianki, is still a cold month, with an average temperature fluctuating between 2°C (35.6°F) and -1.4°C (29.5°F).

Temperature

As December arrives, Łomianki's weather displays a minor decrease in high-temperatures, transitioning from November's frosty 6.9°C (44.4°F) to an icy 2°C (35.6°F). Łomianki records a slight downturn to an average a freezing cold -1.4°C (29.5°F) during the nights of December.

Humidity

In December, the average relative humidity is 87%.

Rainfall

In Łomianki, Poland, in December, during 9.5 rainfall days, 25mm (0.98") of precipitation is typically accumulated. In Łomianki, during the entire year, the rain falls for 122.8 days and collects up to 300mm (11.81") of precipitation.

Snowfall

Months with snowfall in Łomianki are January through May, October through December. In December, in Łomianki, it is snowing for 7 days. Throughout December, 39mm (1.54") of snow is accumulated. In Łomianki, during the entire year, snow falls for 33.5 days and aggregates up to 229mm (9.02") of snow.

Daylight

With an average of 7h and 48min of daylight, December has the shortest days of the year.
On the first day of December in Łomianki, sunrise is at 07:24 and sunset at 15:27. On the last day of the month, sunrise is at 07:46 and sunset at 15:33 CET.

Sunshine

The average sunshine in December is 3.3h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, a regular UV index of 1 translates into these guidelines:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Frequently asked questions

The high-temperature, in December, in Łomianki, is 2°C (35.6°F), while the low-temperature averages to -1.4°C (29.5°F).

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

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

In Łomianki, in December, during 7 snowfall days, 39mm (1.54") of snow is typically accumulated.

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

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

On the first day of December in Łomianki, sunrise is at 07:24 and sunset at 15:27. On the last day of the month, sunrise is at 07:46 and sunset at 15:33 CET.

The average sunshine duration in December in Łomianki is 3.3h.

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

In Łomianki, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a low health risk 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
Łomianki, Poland

  • Average high temperature in December: 2°C

The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (-0.4°C).

  • Average low temperature in December: -1.4°C

The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).

Average pressure in December
Łomianki, Poland

  • Average pressure in December: 1016mbar

The month with the highest atmospheric pressure is October (1018.1mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).

Average wind speed in December
Łomianki, Poland

  • Average wind speed in December: 13.7km/h

The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).

Average humidity in December
Łomianki, Poland

  • Average humidity in December: 87%

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

Average rainfall in December
Łomianki, Poland

  • Average rainfall in December: 25mm

The wettest month (with the highest rainfall) is May (47mm).
The driest months (with the least rainfall) are April and November (15mm).

Average rainfall days in December
Łomianki, Poland

  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is January (6.8 days).

Average snowfall in December
Łomianki, Poland

  • Average snowfall in December: 39mm

The month with the highest snowfall is January (80mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Łomianki, Poland

  • Average snowfall days in December: 7 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Łomianki, 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 18min

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 48min).

Average sunshine days in December
Łomianki, Poland

  • Average sunshine days in December: 14.8 days

The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is February (14.2 days).

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

Average cloud cover in December
Łomianki, Poland

  • Average cloud cover in December: 68

The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Łomianki, Poland

  • Average visibility in December: 8km

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