December weather forecastGrzebsk, Poland
December
Weather in December
The first month of the winter, December, is still a cold month in Grzebsk, Poland, with an average temperature varying between 1.4°C (34.5°F) and -1.9°C (28.6°F).Temperature
December's arrival subtly correlates with a reduction in the average high-temperature, down from a frosty 6.2°C (43.2°F) in November to an icy 1.4°C (34.5°F). Grzebsk sustains a near constant temperature throughout December, with nighttime averages of -1.9°C (28.6°F).Humidity
The average relative humidity in December in Grzebsk is 89%.Rainfall
In Grzebsk, Poland, in December, it is raining for 9.1 days, with typically 20mm (0.79") of accumulated precipitation. Throughout the year, there are 127.1 rainfall days, and 279mm (10.98") of precipitation is accumulated.Snowfall
Months with snowfall in Grzebsk, Poland, are January through April, October through December. In Grzebsk, Poland, in December, snow falls for 10.2 days, with typically accumulated 56mm (2.2") of snow. In Grzebsk, Poland, during the entire year, snow falls for 46.4 days and aggregates up to 230mm (9.06") of snow.Daylight
The month with the shortest days is December, with an average of 7h and 36min of daylight.On the first day of the month, sunrise is at 07:29 and sunset at 15:23. On the last day of December, sunrise is at 07:52 and sunset at 15:29 CET.
Sunshine
The average sunshine in December in Grzebsk is 2.8h.UV index
The months with the lowest UV index in Grzebsk are January, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 1 during December leads to these advisories:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grzebsk, Poland
- Average high temperature in December: 1.4°C
The warmest months (with the highest average high temperature) are July and August (23.8°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in December: -1.9°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in December
Grzebsk, Poland
- Average pressure in December: 1015.2mbar
The month with the highest atmospheric pressure is October (1017.6mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in December
Grzebsk, Poland
- Average wind speed in December: 13.8km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in December
Grzebsk, Poland
- Average humidity in December: 89%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Grzebsk, Poland
- Average rainfall in December: 20mm
The wettest month (with the highest rainfall) is May (40mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in December
Grzebsk, Poland
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in December
Grzebsk, Poland
- Average snowfall in December: 56mm
The month with the highest snowfall is January (86mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Grzebsk, Poland
- Average snowfall days in December: 10.2 days
The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grzebsk, 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: 2h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Grzebsk, Poland
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in December
Grzebsk, Poland
- Average UV index in December: 1
The months with the highest UV index are 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
Grzebsk, Poland
- Average cloud cover in December: 73
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Grzebsk, Poland
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
