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
December
Weather in December
Temperature
The arrival of December corresponds with a temperature reduction, down from November's frosty 6.5°C (43.7°F) to a cold 1.5°C (34.7°F). During December, the nighttime temperatures align closely with the daytime averages, measuring a freezing cold -1.6°C (29.1°F).Humidity
In Gruszczyno, the average relative humidity in December is 89%.Rainfall
In Gruszczyno, during December, the rain falls for 10.5 days and regularly aggregates up to 38mm (1.5") of precipitation. In Gruszczyno, during the entire year, the rain falls for 126.3 days and collects up to 347mm (13.66") of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Gruszczyno, during December, snow falls for 12.6 days and regularly aggregates up to 91mm (3.58") of snow. Throughout the year, there are 58 snowfall days, and 448mm (17.64") of snow is accumulated.Daylight
The month with the shortest days in Gruszczyno is December, with an average of 7h and 48min of daylight.On the first day of the month, sunrise is at 07:20 and sunset at 15:22. On the last day of December, sunrise is at 07:42 and sunset at 15:28 CET.
Sunshine
The average sunshine in December is 2.9h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Gruszczyno. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Gruszczyno in December?
What is the average humidity in December in Gruszczyno?
How many days does it rain in December in Gruszczyno?
How many days does it snow in December in Gruszczyno?
What is the month with the shortest days in Gruszczyno?
What is the average length of the day in December in Gruszczyno?
When are sunrise and sunset in December in Gruszczyno?
How many hours of sunshine does Gruszczyno have in December?
What are the months with the lowest UV index in Gruszczyno?
What is the UV index intensity in December in Gruszczyno?
Average temperature in December
Gruszczyno, Poland
- Average high temperature in December: 1.5°C
The warmest months (with the highest average high temperature) are July and August (24.5°C).
The month with the lowest average high temperature is January (-0.9°C).
- Average low temperature in December: -1.6°C
The months with the highest average low temperature are July and August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in December
Gruszczyno, Poland
- Average pressure in December: 1016.3mbar
The month with the highest atmospheric pressure is October (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in December
Gruszczyno, 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 (10km/h).
Average humidity in December
Gruszczyno, Poland
- Average humidity in December: 89%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Gruszczyno, Poland
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is May (55mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in December
Gruszczyno, Poland
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in December
Gruszczyno, Poland
- Average snowfall in December: 91mm
The month with the highest snowfall is January (154mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Gruszczyno, Poland
- Average snowfall days in December: 12.6 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gruszczyno, Poland
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
Gruszczyno, Poland
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is August (20.8 days).
The month with the least sunshine days is January (8.8 days).
Average UV index in December
Gruszczyno, 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 and December (UV index 1).
Average cloud cover in December
Gruszczyno, Poland
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Gruszczyno, 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).
