December weather forecastSiemirowice, Poland
December
Weather in December
The first month of the winter, December, is still a cold month in Siemirowice, Poland, with an average temperature ranging between max 2.5°C (36.5°F) and min -0.5°C (31.1°F).Temperature
As December begins, there is a minor decrease in the average high-temperature, softly falling from a frosty 6.7°C (44.1°F) in November to a cold 2.5°C (36.5°F). December nights in Siemirowice anticipate an average temperature of -0.5°C (31.1°F), a modest decline from the daytime.Humidity
January and December, with an average relative humidity of 88%, are the most humid months in Siemirowice.Rainfall
In Siemirowice, in December, during 13.2 rainfall days, 38mm (1.5") of precipitation is typically accumulated. Throughout the year, in Siemirowice, there are 147.7 rainfall days, and 398mm (15.67") of precipitation is accumulated.Snowfall
Months with snowfall in Siemirowice are January through May, October through December. In December, it is snowing for 8.6 days. Throughout December, 62mm (2.44") of snow is accumulated. Throughout the year, in Siemirowice, there are 43.4 snowfall days, and 291mm (11.46") of snow is accumulated.Daylight
With an average of 7h and 24min of daylight, December has the shortest days of the year.On the first day of December in Siemirowice, sunrise is at 07:47 and sunset at 15:28. On the last day of the month, sunrise is at 08:10 and sunset at 15:34 CET.
Sunshine
In Siemirowice, the average sunshine in December is 2.8h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Siemirowice. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 1 during December leads to these advisories:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Siemirowice, Poland
- Average high temperature in December: 2.5°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in December: -0.5°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in December
Siemirowice, Poland
- Average pressure in December: 1012.9mbar
The month with the highest atmospheric pressure is October (1016.4mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).
Average wind speed in December
Siemirowice, Poland
- Average wind speed in December: 17.2km/h
The windiest month (with the highest average wind speed) is December (17.2km/h).
The calmest month (with the lowest average wind speed) is August (12.6km/h).
Average humidity in December
Siemirowice, Poland
- Average humidity in December: 88%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is April (70%).
Average rainfall in December
Siemirowice, Poland
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is July (48mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in December
Siemirowice, Poland
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in December
Siemirowice, Poland
- Average snowfall in December: 62mm
The month with the highest snowfall is January (93mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Siemirowice, Poland
- Average snowfall days in December: 8.6 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Siemirowice, Poland
- Average daylight in December: 7h and 24min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in December: 2h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in December
Siemirowice, Poland
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is April (17.8 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in December
Siemirowice, 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 and December (UV index 1).
Average cloud cover in December
Siemirowice, Poland
- Average cloud cover in December: 73
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Siemirowice, Poland
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and February (8km).
