December weather forecastPostomino, Poland
December
Weather in December
The first month of the winter, December, is still a cold month in Postomino, Poland, with an average temperature ranging between max 3.9°C (39°F) and min 1.3°C (34.3°F).Temperature
The start of December involves a subtle temperature drop, shifting from a frosty 7.7°C (45.9°F) in November to a wintry 3.9°C (39°F). In Postomino, December nights maintain a consistent temperature, with an average low of 1.3°C (34.3°F).Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 85%.Rainfall
In December, in Postomino, Poland, the rain falls for 15.2 days. Throughout December, 39mm (1.54") of precipitation is accumulated. Throughout the year, in Postomino, there are 141 rainfall days, and 379mm (14.92") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Postomino, during December, snow falls for 5.9 days and regularly aggregates up to 27mm (1.06") of snow. In Postomino, Poland, during the entire year, snow falls for 29.2 days and aggregates up to 146mm (5.75") of snow.Daylight
December has the shortest days of the year in Postomino, with an average of 7h and 24min of daylight.On the first day of the month, sunrise is at 07:51 and sunset at 15:32. On the last day of December, in Postomino, sunrise is at 08:14 and sunset at 15:37 CET.
Sunshine
The months with the least sunshine are January and December, with an average of 3h of sunshine.UV index
December is the month with the lowest UV index in Postomino, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The UV index of 1 during December leads to these advisories:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. 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
Postomino, Poland
- Average high temperature in December: 3.9°C
The warmest month (with the highest average high temperature) is August (21.6°C).
The month with the lowest average high temperature is January (1.7°C).
- Average low temperature in December: 1.3°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).
Average pressure in December
Postomino, Poland
- Average pressure in December: 1012.7mbar
The month with the highest atmospheric pressure is October (1016.2mbar).
The month with the lowest atmospheric pressure is December (1012.7mbar).
Average wind speed in December
Postomino, Poland
- Average wind speed in December: 23.7km/h
The windiest month (with the highest average wind speed) is December (23.7km/h).
The calmest month (with the lowest average wind speed) is June (16.3km/h).
Average humidity in December
Postomino, Poland
- Average humidity in December: 85%
The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Postomino, Poland
- Average rainfall in December: 39mm
The wettest month (with the highest rainfall) is July (41mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in December
Postomino, Poland
- Average rainfall days in December: 15.2 days
The month with the highest number of rainy days is December (15.2 days).
The month with the least rainy days is April (8.9 days).
Average snowfall in December
Postomino, Poland
- Average snowfall in December: 27mm
The month with the highest snowfall is January (54mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Postomino, Poland
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Postomino, Poland
- Average daylight in December: 7h and 24min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 0min).
Average sunshine days in December
Postomino, Poland
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is April (18.8 days).
The month with the least sunshine days is December (9.5 days).
Average UV index in December
Postomino, Poland
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Postomino, Poland
- Average cloud cover in December: 71
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Postomino, Poland
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
