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
The onset of December aligns with a soft reduction in the average high-temperature, gently falling from a frosty 7.1°C (44.8°F) in November to a cold 2.4°C (36.3°F). Siemienie marks an average drop to a freezing cold -1.3°C (29.7°F) during nighttime in December, following the high of the day.Humidity
In December, the average relative humidity is 88%.Rainfall
In December, in Siemienie, Poland, the rain falls for 10.5 days. Throughout December, 25mm (0.98") of precipitation is accumulated. In Siemienie, Poland, during the entire year, the rain falls for 138.8 days and collects up to 352mm (13.86") of precipitation.Snowfall
January through May, October through December are months with snowfall in Siemienie. In Siemienie, in December, snow falls for 7.5 days, with typically accumulated 36mm (1.42") of snow. In Siemienie, during the entire year, snow falls for 37.5 days and aggregates up to 242mm (9.53") of snow.Daylight
With an average of 7h and 42min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 07:30 and sunset at 15:29. On the last day of the month, sunrise is at 07:52 and sunset at 15:35 CET.
Sunshine
In Siemienie, Poland, the average sunshine in December is 3.2h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Siemienie, Poland. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 1 during December morphs into the following directions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
How cold is it in Siemienie in December?
What is the average humidity in December in Siemienie?
How many days does it rain in December in Siemienie?
How much does it snow in Siemienie in December?
What is the month with the shortest days in Siemienie?
What is the average length of the day in December in Siemienie?
What time are sunrise and sunset in December in Siemienie?
How long on average sun shines in December in Siemienie?
What are the months with the lowest UV index in Siemienie?
What is the UV index intensity in December in Siemienie?
Average temperature in December
Siemienie, Poland
- Average high temperature in December: 2.4°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in December: -1.3°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure in December
Siemienie, Poland
- Average pressure in December: 1015.7mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in December
Siemienie, Poland
- Average wind speed in December: 15.1km/h
The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in December
Siemienie, Poland
- Average humidity in December: 88%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Siemienie, Poland
- Average rainfall in December: 25mm
The wettest month (with the highest rainfall) is May (51mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in December
Siemienie, Poland
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Siemienie, Poland
- Average snowfall in December: 36mm
The month with the highest snowfall is January (81mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Siemienie, Poland
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Siemienie, Poland
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 3h and 1min
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 54min).
Average sunshine days in December
Siemienie, Poland
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in December
Siemienie, 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 and December (UV index 1).
Average cloud cover in December
Siemienie, 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 32).
Average visibility in December
Siemienie, Poland
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).
Siemienie, Poland
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