December weather forecastGrudusk, Poland
December
Weather in December
December, the first month of the winter in Grudusk, is still a cold month, with an average temperature varying between 1.5°C (34.7°F) and -1.8°C (28.8°F).Temperature
December brings a minor shift in the average high-temperature, adjusting from a frosty 6.2°C (43.2°F) in November to a cold 1.5°C (34.7°F). In Grudusk, nights during December observe an average temperature decrease to a subzero cold -1.8°C (28.8°F).Humidity
The average relative humidity in December is 89%.Rainfall
In Grudusk, during December, the rain falls for 11.9 days and regularly aggregates up to 38mm (1.5") of precipitation. In Grudusk, during the entire year, the rain falls for 165 days and collects up to 499mm (19.65") of precipitation.Snowfall
Months with snowfall in Grudusk are January through May, October through December. In Grudusk, in December, snow falls for 12.1 days, with typically accumulated 96mm (3.78") of snow. In Grudusk, during the entire year, snow falls for 58.7 days and aggregates up to 480mm (18.9") of snow.Daylight
The month with the shortest days is December, with an average of 7h and 42min of daylight.On the first day of December in Grudusk, sunrise is at 07:28 and sunset at 15:24. On the last day of the month, sunrise is at 07:51 and sunset at 15:30 CET.
Sunshine
In Grudusk, the average sunshine in December is 2.8h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In December, a regular UV index of 1 translates into these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grudusk, Poland
- Average high temperature in December: 1.5°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: -1.8°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in December
Grudusk, Poland
- Average pressure in December: 1015.3mbar
The month with the highest atmospheric pressure is October (1017.7mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in December
Grudusk, Poland
- Average wind speed in December: 13.5km/h
The windiest month (with the highest average wind speed) is December (13.5km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in December
Grudusk, 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
Grudusk, Poland
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is May (65mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in December
Grudusk, Poland
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in December
Grudusk, Poland
- Average snowfall in December: 96mm
The month with the highest snowfall is January (167mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Grudusk, Poland
- Average snowfall days in December: 12.1 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grudusk, Poland
- Average daylight in December: 7h and 42min
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 42min).
- Average sunshine in December: 2h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Grudusk, Poland
- Average sunshine days in December: 8.8 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is July (7.5 days).
Average UV index in December
Grudusk, 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
Grudusk, Poland
- Average cloud cover in December: 74
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Grudusk, Poland
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (6km).





