December weather forecastWierciny, Poland
December
Weather in December
The first month of the winter, December, is also a wintry month in Wierciny, Poland, with an average temperature fluctuating between 2.5°C (36.5°F) and -0.6°C (30.9°F).Temperature
As December arrives, Wierciny's weather displays a minor decrease in high-temperatures, transitioning from November's frosty 7.1°C (44.8°F) to a wintry 2.5°C (36.5°F). Wierciny sustains a near constant temperature throughout December, with nighttime averages of -0.6°C (30.9°F).Humidity
The average relative humidity in December is 87%.Rainfall
In December, the rain falls for 14.4 days. Throughout December, 38mm (1.5") of precipitation is accumulated. In Wierciny, Poland, during the entire year, the rain falls for 157.3 days and collects up to 407mm (16.02") of precipitation.Snowfall
Months with snowfall are January through May, November and December. In December, in Wierciny, it is snowing for 9 days. Throughout December, 61mm (2.4") of snow is accumulated. Throughout the year, in Wierciny, there are 47 snowfall days, and 293mm (11.54") of snow is accumulated.Daylight
With an average of 7h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:39 and sunset at 15:24. On the last day of December, in Wierciny, sunrise is at 08:02 and sunset at 15:29 CET.
Sunshine
In Wierciny, the average sunshine in December is 3.3h.UV index
In Wierciny, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 2 during December leads to these instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Wierciny, 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 (0.3°C).
- Average low temperature in December: -0.6°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in December
Wierciny, Poland
- Average pressure in December: 1013.7mbar
The month with the highest atmospheric pressure is October (1016.9mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in December
Wierciny, Poland
- Average wind speed in December: 17.8km/h
The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest months (with the lowest average wind speed) are June and August (12.4km/h).
Average humidity in December
Wierciny, 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 (72%).
Average rainfall in December
Wierciny, Poland
- Average rainfall in December: 38mm
The wettest months (with the highest rainfall) are May and July (45mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in December
Wierciny, Poland
- Average rainfall days in December: 14.4 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (10 days).
Average snowfall in December
Wierciny, Poland
- Average snowfall in December: 61mm
The month with the highest snowfall is January (106mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Wierciny, Poland
- Average snowfall days in December: 9 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Wierciny, Poland
- Average daylight in December: 7h and 30min
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 30min).
- Average sunshine in December: 3h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Wierciny, Poland
- Average sunshine days in December: 9 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in December
Wierciny, Poland
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Wierciny, Poland
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Wierciny, Poland
- Average visibility in December: 9km
The months with the highest visibility are June, August, September and October (10km).
The month with the lowest visibility is January (8km).
