December weather forecastSiedlemin, Poland
December
Weather in December
The first month of the winter, December, is still a cold month in Siedlemin, Poland, with temperature in the range of an average low of -1°C (30.2°F) and an average high of 2.9°C (37.2°F).Temperature
Onset of December comes with a temperature decline, the average high falling from a chilly 7.9°C (46.2°F) in November to a wintry 2.9°C (37.2°F). Nights during December maintain a steady temperature, averaging at a freezing cold -1°C (30.2°F).Humidity
The average relative humidity in December in Siedlemin, Poland, is 87%.Rainfall
In December, the rain falls for 11.7 days. Throughout December, 21mm (0.83") of precipitation is accumulated. Throughout the year, in Siedlemin, there are 141 rainfall days, and 311mm (12.24") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. In Siedlemin, in December, during 7.1 snowfall days, 39mm (1.54") of snow is typically accumulated. Throughout the year, there are 33.8 snowfall days, and 176mm (6.93") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 7h and 54min of daylight.On the first day of December, sunrise is at 07:36 and sunset at 15:42. On the last day of the month, sunrise is at 07:57 and sunset at 15:48 CET.
Sunshine
The average sunshine in December is 3.4h.UV index
In Siedlemin, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Siedlemin, Poland
- Average high temperature in December: 2.9°C
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (0.8°C).
- Average low temperature in December: -1°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).
Average pressure in December
Siedlemin, Poland
- Average pressure in December: 1016.1mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1014mbar).
Average wind speed in December
Siedlemin, Poland
- Average wind speed in December: 15.5km/h
The windiest month (with the highest average wind speed) is December (15.5km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in December
Siedlemin, Poland
- Average humidity in December: 87%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Siedlemin, Poland
- Average rainfall in December: 21mm
The wettest month (with the highest rainfall) is July (41mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in December
Siedlemin, Poland
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in December
Siedlemin, Poland
- Average snowfall in December: 39mm
The month with the highest snowfall is January (64mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Siedlemin, Poland
- Average snowfall days in December: 7.1 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Siedlemin, Poland
- Average daylight in December: 7h and 54min
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 24min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Siedlemin, Poland
- Average sunshine days in December: 13.3 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in December
Siedlemin, Poland
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Siedlemin, Poland
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Siedlemin, Poland
- Average visibility in December: 8km
The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (7km).
