December weather forecastPosejanka, Poland
December
Weather in December
December, the first month of the winter in Posejanka, is still a cold month, with an average temperature varying between -2.8°C (27°F) and 0.7°C (33.3°F).Temperature
The transition into December involves a small decrease in the average high-temperature, dipping slightly from a wintry 5.5°C (41.9°F) in November to a still icy 0.7°C (33.3°F). Posejanka records a consistent average nighttime temperature of -2.8°C (27°F) in December, slightly lower than the daytime high.Humidity
In December, the average relative humidity in Posejanka is 90%.Rainfall
In Posejanka, in December, during 12.2 rainfall days, 39mm (1.54") of precipitation is typically accumulated. In Posejanka, during the entire year, the rain falls for 177.2 days and collects up to 539mm (21.22") of precipitation.Snowfall
Months with snowfall in Posejanka are January through May, October through December. In Posejanka, in December, snow falls for 15.3 days, with typically accumulated 134mm (5.28") of snow. Throughout the year, there are 72.5 snowfall days, and 622mm (24.49") of snow is accumulated.Daylight
December has the shortest days of the year in Posejanka, Poland, with an average of 7h and 30min of daylight.On the first day of the month, sunrise is at 07:23 and sunset at 15:08. On the last day of December, sunrise is at 07:45 and sunset at 15:13 CET.
Sunshine
The average sunshine in December is 2.6h.UV index
The months with the lowest UV index in Posejanka, Poland, are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 1 in December suggests the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Posejanka, Poland
- Average high temperature in December: 0.7°C
The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (-2°C).
- Average low temperature in December: -2.8°C
The months with the highest average low temperature are July and August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-5.7°C).
Average pressure in December
Posejanka, Poland
- Average pressure in December: 1014.6mbar
The month with the highest atmospheric pressure is October (1017.7mbar).
The month with the lowest atmospheric pressure is July (1013mbar).
Average wind speed in December
Posejanka, Poland
- Average wind speed in December: 14.7km/h
The windiest month (with the highest average wind speed) is December (14.7km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).
Average humidity in December
Posejanka, Poland
- Average humidity in December: 90%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Posejanka, Poland
- Average rainfall in December: 39mm
The wettest month (with the highest rainfall) is July (74mm).
The driest month (with the least rainfall) is April (30mm).
Average rainfall days in December
Posejanka, Poland
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in December
Posejanka, Poland
- Average snowfall in December: 134mm
The month with the highest snowfall is January (168mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Posejanka, Poland
- Average snowfall days in December: 15.3 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Posejanka, Poland
- Average daylight in December: 7h and 30min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in December: 2h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 24min).
Average sunshine days in December
Posejanka, Poland
- Average sunshine days in December: 7.7 days
The month with the most sunshine days is October (14.1 days).
The month with the least sunshine days is July (5.8 days).
Average UV index in December
Posejanka, Poland
- Average UV index in December: 1
The months with the highest UV index are May, June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Posejanka, Poland
- Average cloud cover in December: 75
The months with the most cloud cover are January and February (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Posejanka, Poland
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
