December weather forecastSilna, Poland
December
Weather in December
The first month of the winter, December, is still a cold month in Silna, Poland, with an average temperature fluctuating between 3.4°C (38.1°F) and -0.4°C (31.3°F).Temperature
During the shift to December, Silna records a mild decrease in average high-temperature, moving from a frosty 7.5°C (45.5°F) in November to a cold 3.4°C (38.1°F). Silna's nighttime average temperature in December subtly descends to a subzero cold -0.4°C (31.3°F) from the daily highs.Humidity
January and December, with an average relative humidity of 89%, are the most humid months.Rainfall
In Silna, in December, during 10.1 rainfall days, 20mm (0.79") of precipitation is typically accumulated. Throughout the year, in Silna, there are 140.9 rainfall days, and 327mm (12.87") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Silna, during December, snow falls for 4.4 days and regularly aggregates up to 27mm (1.06") of snow. Throughout the year, there are 23.1 snowfall days, and 128mm (5.04") of snow is accumulated.Daylight
With an average of 7h and 48min of daylight, December has the shortest days of the year in Silna.On the first day of the month, sunrise is at 07:44 and sunset at 15:46. On the last day of December, sunrise is at 08:06 and sunset at 15:52 CET.
Sunshine
In Silna, Poland, the average sunshine in December is 3.2h.UV index
The average daily maximum UV index in December in Silna is 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Silna, Poland
- Average high temperature in December: 3.4°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 (1.5°C).
- Average low temperature in December: -0.4°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (-2.2°C).
Average pressure in December
Silna, Poland
- Average pressure in December: 1015.1mbar
The month with the highest atmospheric pressure is October (1017.2mbar).
The months with the lowest atmospheric pressure are July and November (1014.1mbar).
Average wind speed in December
Silna, Poland
- Average wind speed in December: 14.5km/h
The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).
Average humidity in December
Silna, Poland
- Average humidity in December: 89%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Silna, Poland
- Average rainfall in December: 20mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in December
Silna, Poland
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in December
Silna, Poland
- Average snowfall in December: 27mm
The month with the highest snowfall is January (34mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Silna, Poland
- Average snowfall days in December: 4.4 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Silna, Poland
- Average daylight in December: 7h and 48min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Silna, Poland
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in December
Silna, Poland
- Average UV index in December: 2
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 November (UV index 1).
Average cloud cover in December
Silna, Poland
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Silna, Poland
- Average visibility in December: 8km
The month with the highest visibility is June (10km).
The month with the lowest visibility is January (7km).
