December weather forecastGrabionna, Poland
December
Weather in December
The first month of the winter, December, is also an icy month in Grabionna, Poland, with an average temperature fluctuating between 2.7°C (36.9°F) and -1°C (30.2°F).Temperature
December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's frosty 7.1°C (44.8°F) to a wintry 2.7°C (36.9°F). December nights reflect a consistent temperature dip to a subzero cold -1°C (30.2°F), a slight descent from daytime peaks.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 89%.Rainfall
In December, the rain falls for 9.5 days. Throughout December, 25mm (0.98") of precipitation is accumulated. Throughout the year, in Grabionna, there are 132.7 rainfall days, and 337mm (13.27") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Grabionna, during December, snow falls for 5.1 days and regularly aggregates up to 28mm (1.1") of snow. Throughout the year, there are 27.7 snowfall days, and 177mm (6.97") of snow is accumulated.Daylight
With an average of 7h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:43 and sunset at 15:38. On the last day of December, sunrise is at 08:05 and sunset at 15:44 CET.
Sunshine
In December, the average sunshine is 3.1h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 1 in December translates into this advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grabionna, Poland
- Average high temperature in December: 2.7°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in December: -1°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).
Average pressure in December
Grabionna, Poland
- Average pressure in December: 1014.7mbar
The month with the highest atmospheric pressure is October (1017.1mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in December
Grabionna, 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 (11.1km/h).
Average humidity in December
Grabionna, Poland
- Average humidity in December: 89%
The months with the highest relative humidity are January and December (89%).
The months with the lowest relative humidity are April and August (68%).
Average rainfall in December
Grabionna, Poland
- Average rainfall in December: 25mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in December
Grabionna, Poland
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in December
Grabionna, Poland
- Average snowfall in December: 28mm
The month with the highest snowfall is January (65mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Grabionna, Poland
- Average snowfall days in December: 5.1 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grabionna, Poland
- Average daylight in December: 7h and 36min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in December: 3h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Grabionna, Poland
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is February (14.3 days).
Average UV index in December
Grabionna, 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, November and December (UV index 1).
Average cloud cover in December
Grabionna, Poland
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Grabionna, Poland
- Average visibility in December: 8km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, November and December (8km).
