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
December's arrival corresponds with a decrease in average high-temperatures, from November's wintry 5.9°C (42.6°F) to a still cold 0°C (32°F). Gronków experiences a consistent average temperature of -5.4°C (22.3°F) throughout the nights in December.Humidity
The average relative humidity in December in Gronków is 90%.Rainfall
In Gronków, during December, the rain falls for 4.5 days and regularly aggregates up to 51mm (2.01") of precipitation. In Gronków, during the entire year, the rain falls for 151.1 days and collects up to 724mm (28.5") of precipitation.Snowfall
Months with snowfall are January through May, September through December. The month with the most snowfall is December, when snow falls for 12.9 days and typically aggregates up to 350mm (13.78") of snow.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year.On the first day of December in Gronków, Poland, 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 December, the average sunshine is 4h.UV index
The months with the lowest UV index in Gronków are February and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 1 suggests these recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
How cold is December in Gronków?
What is the average humidity in December in Gronków?
How much does it rain in Gronków in December?
What is the snowiest month in Gronków?
How much does it snow in Gronków in December?
What is the month with the shortest days in Gronków?
What is the average length of the day in December in Gronków?
When are sunrise and sunset in December in Gronków?
How many hours of sunshine does Gronków have in December?
What are the months with the lowest UV index in Gronków?
What is the UV index reading in December in Gronków?
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 2min
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).
Gronków, Poland
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