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
The shift to December brings a decrease in the average high-temperature, falling from a frosty 8.6°C (47.5°F) in November to an icy 2.8°C (37°F). December nights witness a slight temperature decrease, averaging at a freezing cold -1°C (30.2°F).Humidity
The average relative humidity in December in Sieroniowice is 83%.Rainfall
In Sieroniowice, in December, it is raining for 10 days, with typically 29mm (1.14") of accumulated precipitation. Throughout the year, there are 151.6 rainfall days, and 438mm (17.24") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Sieroniowice, in December, during 8 snowfall days, 59mm (2.32") of snow is typically accumulated. Throughout the year, in Sieroniowice, Poland, there are 38.3 snowfall days, and 271mm (10.67") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 6min of daylight.On the first day of the month, sunrise is at 07:25 and sunset at 15:45. On the last day of December, sunrise is at 07:47 and sunset at 15:52 CET.
Sunshine
In December, the average sunshine is 4.3h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 1 in December translates into this advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Sieroniowice in December?
What is the average humidity in December in Sieroniowice?
How much does it rain in Sieroniowice in December?
How much does it snow in Sieroniowice in December?
What is the month with the shortest days in Sieroniowice?
How many hours of daylight does Sieroniowice have in December?
When are sunrise and sunset in December in Sieroniowice?
How long on average sun shines in December in Sieroniowice?
When is the lowest UV index in Sieroniowice?
What is the UV index reading in December in Sieroniowice?
Average temperature in December
Sieroniowice, Poland
- Average high temperature in December: 2.8°C
The warmest month (with the highest average high temperature) is August (25.6°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 (15.3°C).
The coldest month (with the lowest average low temperature) is January (-3.2°C).
Average pressure in December
Sieroniowice, Poland
- Average pressure in December: 1018.2mbar
The month with the highest atmospheric pressure is October (1018.6mbar).
The month with the lowest atmospheric pressure is July (1014.6mbar).
Average wind speed in December
Sieroniowice, Poland
- Average wind speed in December: 14.2km/h
The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in December
Sieroniowice, Poland
- Average humidity in December: 83%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Sieroniowice, Poland
- Average rainfall in December: 29mm
The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is November (20mm).
Average rainfall days in December
Sieroniowice, Poland
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is June (18.1 days).
The months with the least rainy days are January and February (8.7 days).
Average snowfall in December
Sieroniowice, Poland
- Average snowfall in December: 59mm
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
Sieroniowice, Poland
- Average snowfall days in December: 8 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
Sieroniowice, Poland
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in December
Sieroniowice, Poland
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in December
Sieroniowice, Poland
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Sieroniowice, Poland
- Average cloud cover in December: 57
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Sieroniowice, Poland
- Average visibility in December: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January and February (8km).
