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
In Posejny, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's icy 5.5°C (41.9°F) to a still cold 0.7°C (33.3°F). In Posejny, December is characterized by an average low-temperature of -2.8°C (27°F), indicating a minor drop from daytime highs.Humidity
In Posejny, the average relative humidity in December is 90%.Rainfall
In Posejny, during December, the rain falls for 12.2 days and regularly aggregates up to 39mm (1.54") of precipitation. Throughout the year, there are 177.2 rainfall days, and 539mm (21.22") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Posejny, in December, snow falls for 15.3 days, with typically accumulated 134mm (5.28") of snow. Throughout the year, in Posejny, there are 72.5 snowfall days, and 622mm (24.49") of snow is accumulated.Daylight
The month with the shortest days is December, 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, in Posejny, sunrise is at 07:45 and sunset at 15:13 CET.
Sunshine
The average sunshine in December in Posejny is 2.6h.UV index
The months with the lowest UV index in Posejny, Poland, are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is it in Posejny in December?
What is the average humidity in December in Posejny?
How much does it rain in Posejny in December?
How many days does it snow in December in Posejny?
What is the month with the shortest days in Posejny?
How many hours of daylight does Posejny have in December?
What time are sunrise and sunset in December in Posejny?
How many hours of sunshine does Posejny have in December?
What is the month with the lowest UV index in Posejny?
How high is the UV index in December in Posejny?
Average temperature in December
Posejny, 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
Posejny, 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
Posejny, 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
Posejny, 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
Posejny, 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
Posejny, 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
Posejny, 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
Posejny, 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
Posejny, Poland
- Average daylight in December: 7h and 3min
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 4min
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
Posejny, 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
Posejny, 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
Posejny, 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
Posejny, 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).
Posejny, Poland
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