December weather forecastSiekowo, Poland
December
Weather in December
December, the first month of the winter in Siekowo, is also an icy month, with temperature in the range of an average low of -0.5°C (31.1°F) and an average high of 3.5°C (38.3°F).Temperature
The transition to December results in a modest reduction in average high-temperature, moving from a chilly 8.3°C (46.9°F) in November to a wintry 3.5°C (38.3°F). Siekowo experiences a minimal drop from daytime high temperatures, recording an average low-temperature of -0.5°C (31.1°F) throughout December.Humidity
The average relative humidity in December in Siekowo is 87%.Rainfall
In Siekowo, during December, the rain falls for 11.5 days and regularly aggregates up to 27mm (1.06") of precipitation. In Siekowo, during the entire year, the rain falls for 131.6 days and collects up to 324mm (12.76") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Siekowo, during December, snow falls for 6.8 days and regularly aggregates up to 48mm (1.89") of snow. Throughout the year, there are 35.3 snowfall days, and 252mm (9.92") 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 December, sunrise is at 07:41 and sunset at 15:46. On the last day of the month, sunrise is at 08:02 and sunset at 15:52 CET.
Sunshine
The average sunshine in December is 3.5h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. It's recommended to limit sun exposure when its radiation is at its peak during midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Siekowo, Poland
- Average high temperature in December: 3.5°C
The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (1.3°C).
- Average low temperature in December: -0.5°C
The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in December
Siekowo, Poland
- Average pressure in December: 1016.4mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1014.3mbar).
Average wind speed in December
Siekowo, Poland
- Average wind speed in December: 13.8km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest months (with the lowest average wind speed) are July and August (11km/h).
Average humidity in December
Siekowo, Poland
- Average humidity in December: 87%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Siekowo, Poland
- Average rainfall in December: 27mm
The wettest month (with the highest rainfall) is May (41mm).
The driest month (with the least rainfall) is September (17mm).
Average rainfall days in December
Siekowo, Poland
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is September (7.9 days).
Average snowfall in December
Siekowo, Poland
- Average snowfall in December: 48mm
The month with the highest snowfall is January (91mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Siekowo, Poland
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Siekowo, 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 30min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Siekowo, Poland
- Average sunshine days in December: 13.6 days
The month with the most sunshine days is September (21.5 days).
The month with the least sunshine days is February (11.4 days).
Average UV index in December
Siekowo, Poland
- Average UV index in December: 2
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, February, March, November and December (UV index 2).
Average cloud cover in December
Siekowo, Poland
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Siekowo, Poland
- Average visibility in December: 8km
The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is January (7km).
