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
December's arrival corresponds with a decrease in average high-temperatures, from November's chilly 6.5°C (43.7°F) to a cold 1.5°C (34.7°F). Nighttime temperatures during December report a consistent average of -1.6°C (29.1°F).Humidity
In December, the average relative humidity in Główne is 89%.Rainfall
In Główne, during December, the rain falls for 10.5 days and regularly aggregates up to 38mm (1.5") of precipitation. Throughout the year, in Główne, there are 126.3 rainfall days, and 347mm (13.66") of precipitation is accumulated.Snowfall
Months with snowfall in Główne are January through April, October through December. In Główne, in December, snow falls for 12.6 days, with typically accumulated 91mm (3.58") of snow. In Główne, during the entire year, snow falls for 58 days and aggregates up to 448mm (17.64") of snow.Daylight
December has the shortest days of the year in Główne, Poland, with an average of 7h and 54min of daylight.On the first day of December, sunrise is at 07:15 and sunset at 15:22. On the last day of the month, sunrise is at 07:36 and sunset at 15:28 CET.
Sunshine
In Główne, the average sunshine in December is 2.9h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 1 translates into these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Główne in December?
What is the average humidity in December in Główne?
How much does it rain in Główne in December?
How much does it snow in Główne in December?
What is the month with the shortest days in Główne?
What is the average length of the day in December in Główne?
What time are sunrise and sunset in December in Główne?
How many hours of sunshine does Główne have in December?
When is the lowest UV index in Główne?
How high is the UV index in December in Główne?
Average temperature in December
Główne, 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
Główne, 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
Główne, 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
Główne, 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
Główne, 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
Główne, 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
Główne, 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
Główne, 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
Główne, Poland
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- 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
Główne, 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
Główne, 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
Główne, 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
Główne, 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).
