December weather forecastSiemoń, Poland
December
Weather in December
December, the first month of the winter in Siemoń, is also a wintry month, with an average temperature fluctuating between 2.5°C (36.5°F) and -1°C (30.2°F).Temperature
The onset of December aligns with a soft reduction in the average high-temperature, gently falling from a frosty 7°C (44.6°F) in November to a wintry 2.5°C (36.5°F). During December, Siemoń's temperature shows a minor deviation from daytime highs, falling to a steady low-temperature average of -1°C (30.2°F).Humidity
In December, the average relative humidity in Siemoń is 87%.Rainfall
In Siemoń, in December, during 9.4 rainfall days, 22mm (0.87") of precipitation is typically accumulated. In Siemoń, during the entire year, the rain falls for 126.1 days and collects up to 320mm (12.6") of precipitation.Snowfall
Months with snowfall in Siemoń are January through May, October through December. In Siemoń, during December, snow falls for 5.7 days and regularly aggregates up to 28mm (1.1") of snow. In Siemoń, Poland, during the entire year, snow falls for 30.5 days and aggregates up to 196mm (7.72") of snow.Daylight
With an average of 7h and 36min of daylight, December has the shortest days of the year in Siemoń.On the first day of December in Siemoń, sunrise is at 07:38 and sunset at 15:32. On the last day of the month, sunrise is at 08:00 and sunset at 15:38 CET.
Sunshine
The average sunshine in December is 3.2h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Siemoń. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 1 suggests this advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Experience reduced UV exposure by about half when donning a wide-brim hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Siemoń, Poland
- Average high temperature in December: 2.5°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in December: -1°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).
Average pressure in December
Siemoń, Poland
- Average pressure in December: 1015mbar
The month with the highest atmospheric pressure is October (1017.4mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in December
Siemoń, Poland
- Average wind speed in December: 14.2km/h
The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in December
Siemoń, 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 (66%).
Average rainfall in December
Siemoń, Poland
- Average rainfall in December: 22mm
The wettest month (with the highest rainfall) is May (47mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in December
Siemoń, Poland
- Average rainfall days in December: 9.4 days
The months with the highest number of rainy days are May and July (14.8 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in December
Siemoń, Poland
- Average snowfall in December: 28mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Siemoń, Poland
- Average snowfall days in December: 5.7 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Siemoń, Poland
- Average daylight in December: 7h and 36min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Siemoń, Poland
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in December
Siemoń, Poland
- Average UV index in December: 1
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, November and December (UV index 1).
Average cloud cover in December
Siemoń, Poland
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Siemoń, Poland
- Average visibility in December: 8km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, November and December (8km).
