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 beginning of December brings a slight decrease in the average high-temperature, transitioning from a frosty 8.4°C (47.1°F) in November to an icy 3.7°C (38.7°F). Sienice observes a consistent average low-temperature of -0.1°C (31.8°F) throughout December nights.Humidity
The average relative humidity in December in Sienice is 86%.Rainfall
In December, in Sienice, the rain falls for 12.6 days. Throughout December, 34mm (1.34") of precipitation is accumulated. Throughout the year, there are 130.7 rainfall days, and 340mm (13.39") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, in Sienice, it is snowing for 7.3 days. Throughout December, 66mm (2.6") of snow is accumulated. Throughout the year, in Sienice, Poland, there are 36.2 snowfall days, and 309mm (12.17") of snow is accumulated.Daylight
With an average of 8h and 0min of daylight, December has the shortest days of the year in Sienice.On the first day of the month, sunrise is at 07:33 and sunset at 15:50. On the last day of December, sunrise is at 07:54 and sunset at 15:56 CET.
Sunshine
The average sunshine in December is 3.8h.UV index
In Sienice, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
Is it cold in Sienice during December?
What is the average humidity in December in Sienice?
How much does it rain in Sienice in December?
How many days does it snow in December in Sienice?
What is the month with the shortest days in Sienice?
What is the average length of the day in December in Sienice?
What time are sunrise and sunset in December in Sienice?
How long on average sun shines in December in Sienice?
What is the UV index intensity in December in Sienice?
Average temperature in December
Sienice, Poland
- Average high temperature in December: 3.7°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 (1.7°C).
- Average low temperature in December: -0.1°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-2°C).
Average pressure in December
Sienice, Poland
- Average pressure in December: 1016.6mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1014.5mbar).
Average wind speed in December
Sienice, Poland
- Average wind speed in December: 14.1km/h
The windiest month (with the highest average wind speed) is December (14.1km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in December
Sienice, Poland
- Average humidity in December: 86%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Sienice, Poland
- Average rainfall in December: 34mm
The wettest month (with the highest rainfall) is July (40mm).
The driest month (with the least rainfall) is September (14mm).
Average rainfall days in December
Sienice, Poland
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in December
Sienice, Poland
- Average snowfall in December: 66mm
The month with the highest snowfall is January (120mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Sienice, Poland
- Average snowfall days in December: 7.3 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sienice, Poland
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 3h and 5min
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 12min).
Average sunshine days in December
Sienice, Poland
- Average sunshine days in December: 12.2 days
The month with the most sunshine days is September (21.2 days).
The month with the least sunshine days is January (10.3 days).
Average UV index in December
Sienice, Poland
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Sienice, Poland
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Sienice, Poland
- Average visibility in December: 8km
The months with the highest visibility are June, July and August (10km).
The month with the lowest visibility is January (7km).
Sienice, Poland
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