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 arrival of December suggests a slight decrease in the average high-temperature, moving from a chilly 6.5°C (43.7°F) in November to a wintry 1.6°C (34.9°F). Świercze-Siółki's nocturnal average in December closely mirrors its daytime temperatures, settling at a subzero cold -1.6°C (29.1°F).Humidity
The average relative humidity in December in Świercze-Siółki is 89%.Rainfall
In Świercze-Siółki, in December, during 9.4 rainfall days, 24mm (0.94") of precipitation is typically accumulated. Throughout the year, in Świercze-Siółki, there are 135.2 rainfall days, and 349mm (13.74") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, in Świercze-Siółki, it is snowing for 8.7 days. Throughout December, 51mm (2.01") of snow is accumulated. In Świercze-Siółki, Poland, during the entire year, snow falls for 43.2 days and aggregates up to 291mm (11.46") of snow.Daylight
The month with the shortest days is December, with an average of 7h and 42min of daylight.On the first day of December, sunrise is at 07:26 and sunset at 15:25. On the last day of the month, sunrise is at 07:48 and sunset at 15:31 CET.
Sunshine
In December, the average sunshine is 3h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Świercze-Siółki. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
How cold is December in Świercze-Siółki?
What is the average humidity in December in Świercze-Siółki?
How much does it rain in Świercze-Siółki in December?
How much does it snow in Świercze-Siółki in December?
What is the month with the shortest days in Świercze-Siółki?
How many hours of daylight does Świercze-Siółki have in December?
When is the sunrise / sunset in December in Świercze-Siółki?
How many hours of sunshine does Świercze-Siółki have in December?
What are the months with the lowest UV index in Świercze-Siółki?
How high is the UV index in December in Świercze-Siółki?
Average temperature in December
Świercze-Siółki, Poland
- Average high temperature in December: 1.6°C
The warmest months (with the highest average high temperature) are July and August (24.2°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in December: -1.6°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).
Average pressure in December
Świercze-Siółki, Poland
- Average pressure in December: 1015.4mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in December
Świercze-Siółki, Poland
- Average wind speed in December: 13.4km/h
The windiest month (with the highest average wind speed) is December (13.4km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in December
Świercze-Siółki, Poland
- Average humidity in December: 89%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Świercze-Siółki, Poland
- Average rainfall in December: 24mm
The wettest month (with the highest rainfall) is May (46mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in December
Świercze-Siółki, Poland
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in December
Świercze-Siółki, Poland
- Average snowfall in December: 51mm
The month with the highest snowfall is January (108mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Świercze-Siółki, Poland
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Świercze-Siółki, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Świercze-Siółki, Poland
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in December
Świercze-Siółki, Poland
- Average UV index in December: 1
The months with the highest UV index are 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
Świercze-Siółki, Poland
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Świercze-Siółki, 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 (6km).
Świercze-Siółki, Poland
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