December weather forecastGronków, Poland
December
Weather in December
The first month of the winter, December, is also an icy month in Gronków, Poland, with temperature in the range of an average high of 0°C (32°F) and an average low of -5.4°C (22.3°F).Temperature
With December's arrival, Gronków sees a decrease in average high-temperatures, moving from a wintry 5.9°C (42.6°F) in November to a still icy 0°C (32°F). In December, the average low-temperature is a subzero cold -5.4°C (22.3°F).Humidity
In Gronków, the average relative humidity in December is 90%.Rainfall
In Gronków, in December, it is raining for 4.5 days, with typically 51mm (2.01") of accumulated precipitation. Throughout the year, there are 151.1 rainfall days, and 724mm (28.5") of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. December is the month with the most snowfall. Snow falls for 12.9 days and accumulates 350mm (13.78") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 18min of daylight.On the first day of December, sunrise is at 07:14 and sunset at 15:43. On the last day of the month, sunrise is at 07:35 and sunset at 15:50 CET.
Sunshine
In Gronków, the average sunshine in December is 4h.UV index
The months with the lowest UV index are February and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 1 in December suggests the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. It's recommended to limit sun exposure when its radiation is at its peak during midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gronków, Poland
- Average high temperature in December: 0°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (-1.4°C).
- Average low temperature in December: -5.4°C
The month with the highest average low temperature is August (10.3°C).
The coldest month (with the lowest average low temperature) is January (-7.4°C).
Average pressure in December
Gronków, Poland
- Average pressure in December: 1019.3mbar
The month with the highest atmospheric pressure is December (1019.3mbar).
The months with the lowest atmospheric pressure are June and July (1014.4mbar).
Average wind speed in December
Gronków, Poland
- Average wind speed in December: 9.9km/h
The windiest month (with the highest average wind speed) is December (9.9km/h).
The calmest month (with the lowest average wind speed) is August (6.6km/h).
Average humidity in December
Gronków, Poland
- Average humidity in December: 90%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Gronków, Poland
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is May (120mm).
The driest month (with the least rainfall) is January (32mm).
Average rainfall days in December
Gronków, Poland
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is June (23.6 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in December
Gronków, Poland
- Average snowfall in December: 350mm
The month with the highest snowfall is December (350mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Gronków, Poland
- Average snowfall days in December: 12.9 days
The month with the highest number of snowfall days is February (14 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Gronków, Poland
- Average daylight in December: 8h and 18min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in December
Gronków, Poland
- Average sunshine days in December: 16.5 days
The months with the most sunshine days are October and November (17.5 days).
The month with the least sunshine days is June (4.9 days).
Average UV index in December
Gronków, Poland
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in December
Gronków, Poland
- Average cloud cover in December: 61
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Gronków, Poland
- Average visibility in December: 7km
The months with the highest visibility are July and August (9km).
The months with the lowest visibility are January and February (6km).





