December weather forecastGrzęska, Poland
December
Weather in December
The first month of the winter, December, is still a cold month in Grzęska, Poland, with an average temperature fluctuating between -2.2°C (28°F) and 2.2°C (36°F).Temperature
December comes with a drop in the average high-temperature, falling from November's frosty 8.1°C (46.6°F) to an icy 2.2°C (36°F). An average low-temperature of -2.2°C (28°F), slightly less than the daytime peak, marks the month of December in Grzęska.Humidity
In Grzęska, Poland, the average relative humidity in December is 86%.Rainfall
In Grzęska, Poland, in December, during 8.1 rainfall days, 21mm (0.83") of precipitation is typically accumulated. Throughout the year, there are 124.8 rainfall days, and 295mm (11.61") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Grzęska. December is the month with the most snowfall. Snow falls for 11 days and accumulates 54mm (2.13") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 07:07 and sunset at 15:30. On the last day of December, sunrise is at 07:28 and sunset at 15:37 CET.
Sunshine
The average sunshine in December in Grzęska, Poland, is 3.5h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: The UV index of 1 in December translates into these instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grzęska, Poland
- Average high temperature in December: 2.2°C
The warmest month (with the highest average high temperature) is August (25.8°C).
The month with the lowest average high temperature is January (-0.1°C).
- Average low temperature in December: -2.2°C
The months with the highest average low temperature are July and August (13.9°C).
The coldest month (with the lowest average low temperature) is January (-4.5°C).
Average pressure in December
Grzęska, Poland
- Average pressure in December: 1018.6mbar
The month with the highest atmospheric pressure is October (1019.2mbar).
The month with the lowest atmospheric pressure is July (1014.2mbar).
Average wind speed in December
Grzęska, Poland
- Average wind speed in December: 13.9km/h
The windiest month (with the highest average wind speed) is December (13.9km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in December
Grzęska, Poland
- Average humidity in December: 86%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Grzęska, Poland
- Average rainfall in December: 21mm
The wettest month (with the highest rainfall) is May (47mm).
The driest month (with the least rainfall) is January (15mm).
Average rainfall days in December
Grzęska, Poland
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in December
Grzęska, Poland
- Average snowfall in December: 54mm
The month with the highest snowfall is December (54mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Grzęska, Poland
- Average snowfall days in December: 11 days
The month with the highest number of snowfall days is January (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grzęska, Poland
- Average daylight in December: 8h and 12min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 3h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Grzęska, Poland
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in December
Grzęska, Poland
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Grzęska, Poland
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Grzęska, Poland
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and February (7km).





