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
In Siemowo, the average high-temperature in December slightly decreases from a frosty 8.3°C (46.9°F) in November to an icy 3.5°C (38.3°F). Siemowo's nocturnal December readings average at a subzero cold -0.5°C (31.1°F), showing little variation from the daytime temperatures.Humidity
In Siemowo, the average relative humidity in December is 87%.Rainfall
In Siemowo, in December, during 11.5 rainfall days, 27mm (1.06") of precipitation is typically accumulated. Throughout the year, there are 131.6 rainfall days, and 324mm (12.76") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Siemowo, during December, snow falls for 6.8 days and regularly aggregates up to 48mm (1.89") of snow. In Siemowo, during the entire year, snow falls for 35.3 days and aggregates up to 252mm (9.92") of snow.Daylight
The month with the shortest days in Siemowo is December, with an average of 7h and 54min of daylight.On the first day of the month, sunrise is at 07:38 and sunset at 15:45. On the last day of December, sunrise is at 07:59 and sunset at 15:51 CET.
Sunshine
In December, the average sunshine is 3.5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. 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
How cold does it get in Siemowo in December?
What is the average humidity in December in Siemowo?
How many days does it rain in December in Siemowo?
How many days does it snow in December in Siemowo?
What is the month with the shortest days in Siemowo?
What is the average length of the day in December in Siemowo?
When is the sunrise / sunset in December in Siemowo?
How many hours of sunshine does Siemowo have in December?
What is the month with the lowest UV index in Siemowo?
How high is the UV index in December in Siemowo?
Average temperature in December
Siemowo, Poland
- Average high temperature in December: 3.5°C
The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (1.3°C).
- Average low temperature in December: -0.5°C
The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in December
Siemowo, Poland
- Average pressure in December: 1016.4mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1014.3mbar).
Average wind speed in December
Siemowo, 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 months (with the lowest average wind speed) are July and August (11km/h).
Average humidity in December
Siemowo, Poland
- Average humidity in December: 87%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Siemowo, Poland
- Average rainfall in December: 27mm
The wettest month (with the highest rainfall) is May (41mm).
The driest month (with the least rainfall) is September (17mm).
Average rainfall days in December
Siemowo, Poland
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is September (7.9 days).
Average snowfall in December
Siemowo, Poland
- Average snowfall in December: 48mm
The month with the highest snowfall is January (91mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Siemowo, Poland
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Siemowo, 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: 3h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Siemowo, Poland
- Average sunshine days in December: 13.6 days
The month with the most sunshine days is September (21.5 days).
The month with the least sunshine days is February (11.4 days).
Average UV index in December
Siemowo, Poland
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Siemowo, Poland
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Siemowo, Poland
- Average visibility in December: 8km
The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is January (7km).
