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
December
Weather in December
Temperature
With December's onset, the weather reveals a slight temperature decrease, transitioning from a chilly 7.1°C (44.8°F) in November to a cold 2.4°C (36.3°F). In December, a low-temperature average of -1.3°C (29.7°F) is characteristic of Kostrogaj, marking a minor shift from daytime temperatures.Humidity
In Kostrogaj, Poland, the average relative humidity in December is 88%.Rainfall
In Kostrogaj, during December, the rain falls for 10.5 days and regularly aggregates up to 25mm (0.98") of precipitation. In Kostrogaj, during the entire year, the rain falls for 138.8 days and collects up to 352mm (13.86") of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 7.5 days. Throughout December, 36mm (1.42") of snow is accumulated. Throughout the year, in Kostrogaj, Poland, there are 37.5 snowfall days, and 242mm (9.53") of snow is accumulated.Daylight
With an average of 7h and 42min of daylight, December has the shortest days of the year in Kostrogaj, Poland.On the first day of December, sunrise is at 07:29 and sunset at 15:30. On the last day of the month, sunrise is at 07:51 and sunset at 15:36 CET.
Sunshine
In December, the average sunshine is 3.2h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 1 suggests these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Kostrogaj?
What is the average humidity in December in Kostrogaj?
How many days does it rain in December in Kostrogaj?
How many days does it snow in December in Kostrogaj?
What is the month with the shortest days in Kostrogaj?
What is the average length of the day in December in Kostrogaj?
When is the sunrise / sunset in December in Kostrogaj?
How long on average sun shines in December in Kostrogaj?
What is the month with the lowest UV index in Kostrogaj?
What is the UV index reading in December in Kostrogaj?
Average temperature in December
Kostrogaj, Poland
- Average high temperature in December: 2.4°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in December: -1.3°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure in December
Kostrogaj, Poland
- Average pressure in December: 1015.7mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in December
Kostrogaj, Poland
- Average wind speed in December: 15.1km/h
The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in December
Kostrogaj, Poland
- Average humidity in December: 88%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Kostrogaj, Poland
- Average rainfall in December: 25mm
The wettest month (with the highest rainfall) is May (51mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in December
Kostrogaj, Poland
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Kostrogaj, Poland
- Average snowfall in December: 36mm
The month with the highest snowfall is January (81mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Kostrogaj, Poland
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Kostrogaj, 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 1min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Kostrogaj, Poland
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in December
Kostrogaj, Poland
- Average UV index in December: 1
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 December (UV index 1).
Average cloud cover in December
Kostrogaj, Poland
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Kostrogaj, 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 (7km).
