Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Siemień's average high-temperature decreases in December, falling from a chilly 6.8°C (44.2°F) in November to a cold 1.5°C (34.7°F). Siemień maintains an average of approximately a freezing cold -1.9°C (28.6°F) during December nights, with only a minimal decrease from the daytime temperature.Humidity
In Siemień, the average relative humidity in December is 88%.Rainfall
In Siemień, during December, the rain falls for 10.1 days and regularly aggregates up to 37mm (1.46") of precipitation. In Siemień, during the entire year, the rain falls for 149.5 days and collects up to 457mm (17.99") of precipitation.Snowfall
January through April, October through December are months with snowfall. In Siemień, during December, snow falls for 13.1 days and regularly aggregates up to 114mm (4.49") of snow. In Siemień, Poland, during the entire year, snow falls for 57.8 days and aggregates up to 509mm (20.04") of snow.Daylight
With an average of 7h and 54min of daylight, December has the shortest days of the year in Siemień, Poland.On the first day of the month, sunrise is at 07:13 and sunset at 15:22. On the last day of December, sunrise is at 07:35 and sunset at 15:29 CET.
Sunshine
The average sunshine in December in Siemień is 3h.UV index
The months with the lowest UV index in Siemień are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 1 in December leads to these recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
How cold is it in Siemień in December?
What is the average humidity in December in Siemień?
How many days does it rain in December in Siemień?
How much does it snow in Siemień in December?
What is the month with the shortest days in Siemień?
How many hours of daylight does Siemień have in December?
When is the sunrise / sunset in December in Siemień?
How long on average sun shines in December in Siemień?
What is the month with the lowest UV index in Siemień?
What is the UV index intensity in December in Siemień?
Average temperature in December
Siemień, Poland
- Average high temperature in December: 1.5°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in December: -1.9°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in December
Siemień, Poland
- Average pressure in December: 1017.2mbar
The month with the highest atmospheric pressure is October (1018.8mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in December
Siemień, Poland
- Average wind speed in December: 13.4km/h
The windiest month (with the highest average wind speed) is December (13.4km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in December
Siemień, Poland
- Average humidity in December: 88%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Siemień, Poland
- Average rainfall in December: 37mm
The wettest month (with the highest rainfall) is May (62mm).
The driest month (with the least rainfall) is November (24mm).
Average rainfall days in December
Siemień, Poland
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in December
Siemień, Poland
- Average snowfall in December: 114mm
The month with the highest snowfall is January (158mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Siemień, Poland
- Average snowfall days in December: 13.1 days
The month with the highest number of snowfall days is January (16.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Siemień, Poland
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Siemień, Poland
- Average sunshine days in December: 9.9 days
The months with the most sunshine days are October and November (16.1 days).
The month with the least sunshine days is July (9.1 days).
Average UV index in December
Siemień, Poland
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Siemień, Poland
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Siemień, Poland
- Average visibility in December: 7km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (6km).
Siemień, Poland
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