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
Weather in December
Temperature
December weather is marked by a drop in the average high-temperature, falling from a frosty 7°C (44.6°F) in November to an icy 1.8°C (35.2°F). Świętomarz maintains a minor drop in temperature during December nights, with averages of -1.9°C (28.6°F).Humidity
The average relative humidity in December in Świętomarz, Poland, is 87%.Rainfall
In Świętomarz, during December, the rain falls for 10.8 days and regularly aggregates up to 38mm (1.5") of precipitation. Throughout the year, in Świętomarz, there are 151.2 rainfall days, and 483mm (19.02") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Świętomarz. In Świętomarz, during December, snow falls for 12.5 days and regularly aggregates up to 108mm (4.25") of snow. Throughout the year, there are 63.3 snowfall days, and 563mm (22.17") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 0min of daylight.On the first day of the month, sunrise is at 07:17 and sunset at 15:32. On the last day of December, sunrise is at 07:38 and sunset at 15:39 CET.
Sunshine
In December, the average sunshine is 3.2h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In December, a daily UV index of 1 turns into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
How cold is it in Świętomarz in December?
What is the average humidity in December in Świętomarz?
How many days does it rain in December in Świętomarz?
How much does it snow in Świętomarz in December?
What is the month with the shortest days in Świętomarz?
How many hours of daylight does Świętomarz have in December?
What time are sunrise and sunset in December in Świętomarz?
How many hours of sunshine does Świętomarz have in December?
When is the lowest UV index in Świętomarz?
What is the UV index reading in December in Świętomarz?
Average temperature in December
Świętomarz, Poland
- Average high temperature in December: 1.8°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (-0.7°C).
- Average low temperature in December: -1.9°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in December
Świętomarz, Poland
- Average pressure in December: 1017.5mbar
The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1014mbar).
Average wind speed in December
Świętomarz, Poland
- Average wind speed in December: 13.7km/h
The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in December
Świętomarz, Poland
- Average humidity in December: 87%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Świętomarz, Poland
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is May (71mm).
The driest month (with the least rainfall) is November (28mm).
Average rainfall days in December
Świętomarz, Poland
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in December
Świętomarz, Poland
- Average snowfall in December: 108mm
The month with the highest snowfall is January (166mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Świętomarz, Poland
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is January (18.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Świętomarz, Poland
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in December
Świętomarz, Poland
- Average sunshine days in December: 9.6 days
The month with the most sunshine days is August (18.2 days).
The month with the least sunshine days is January (7.5 days).
Average UV index in December
Świętomarz, 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
Świętomarz, Poland
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Świętomarz, 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).
Świętomarz, Poland
Weather forecast for your location
2. Allow the app to use your location
