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
December
Weather in December
Temperature
Sieniec in December demonstrates a small temperature transition, adjusting from an average high of a frosty 7.9°C (46.2°F) in November to a cold 2.6°C (36.7°F). Sieniec's December nights witness minimal differential from the daytime temperatures, with averages of -0.7°C (30.7°F).Humidity
The average relative humidity in December is 86%.Rainfall
In December, in Sieniec, the rain falls for 6.9 days. Throughout December, 17mm (0.67") of precipitation is accumulated. In Sieniec, Poland, during the entire year, the rain falls for 121.3 days and collects up to 317mm (12.48") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Sieniec, during December, snow falls for 5.5 days and regularly aggregates up to 30mm (1.18") of snow. Throughout the year, in Sieniec, there are 35.6 snowfall days, and 255mm (10.04") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 0min of daylight.On the first day of the month, sunrise is at 07:27 and sunset at 15:40. On the last day of December, in Sieniec, Poland, sunrise is at 07:49 and sunset at 15:47 CET.
Sunshine
The average sunshine in December in Sieniec 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 minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 2 in December translates into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Experience reduced UV exposure by about half when donning a wide-brim hat. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Sieniec?
What is the average humidity in December in Sieniec?
How much does it rain in Sieniec in December?
How many days does it snow in December in Sieniec?
What is the month with the shortest days in Sieniec?
What is the average length of the day in December in Sieniec?
When is the sunrise / sunset in December in Sieniec?
How many hours of sunshine does Sieniec have in December?
What are the months with the lowest UV index in Sieniec?
What is the UV index intensity in December in Sieniec?
Average temperature in December
Sieniec, Poland
- Average high temperature in December: 2.6°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (0.5°C).
- Average low temperature in December: -0.7°C
The month with the highest average low temperature is August (15.5°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).
Average pressure in December
Sieniec, Poland
- Average pressure in December: 1017.2mbar
The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1014.3mbar).
Average wind speed in December
Sieniec, Poland
- Average wind speed in December: 14.9km/h
The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest months (with the lowest average wind speed) are July and August (11.1km/h).
Average humidity in December
Sieniec, 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 (64%).
Average rainfall in December
Sieniec, Poland
- Average rainfall in December: 17mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is November (14mm).
Average rainfall days in December
Sieniec, Poland
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
Sieniec, Poland
- Average snowfall in December: 30mm
The month with the highest snowfall is January (75mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Sieniec, Poland
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sieniec, Poland
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Sieniec, Poland
- Average sunshine days in December: 19 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is February (13.3 days).
Average UV index in December
Sieniec, Poland
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Sieniec, Poland
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Sieniec, Poland
- Average visibility in December: 8km
The months with the highest visibility are June, August and September (10km).
The month with the lowest visibility is January (7km).
