December weather forecastWylany, Poland
December
Weather in December
December, the first month of the winter in Wylany, is still a cold month, with an average temperature ranging between min -1.6°C (29.1°F) and max 1.5°C (34.7°F).Temperature
The start of December signals a decrease in the average high-temperature, transitioning from a frosty 6.5°C (43.7°F) in November to a wintry 1.5°C (34.7°F). Wylany notes a steady average temperature of -1.6°C (29.1°F) during the nights of December.Humidity
In Wylany, the average relative humidity in December is 89%.Rainfall
In December, the rain falls for 10.5 days. Throughout December, 38mm (1.5") of precipitation is accumulated. In Wylany, during the entire year, the rain falls for 126.3 days and collects up to 347mm (13.66") of precipitation.Snowfall
January through April, October through December are months with snowfall in Wylany, Poland. In December, in Wylany, it is snowing for 12.6 days. Throughout December, 91mm (3.58") of snow is accumulated. In Wylany, during the entire year, snow falls for 58 days and aggregates up to 448mm (17.64") of snow.Daylight
The month with the shortest days in Wylany is December, with an average of 7h and 48min of daylight.On the first day of the month, sunrise is at 07:16 and sunset at 15:21. On the last day of December, sunrise is at 07:37 and sunset at 15:28 CET.
Sunshine
The average sunshine in December is 2.9h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 1 in December transforms into the following instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Wylany, Poland
- Average high temperature in December: 1.5°C
The warmest months (with the highest average high temperature) are July and August (24.5°C).
The month with the lowest average high temperature is January (-0.9°C).
- Average low temperature in December: -1.6°C
The months with the highest average low temperature are July and August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in December
Wylany, Poland
- Average pressure in December: 1016.3mbar
The month with the highest atmospheric pressure is October (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in December
Wylany, Poland
- Average wind speed in December: 13.5km/h
The windiest month (with the highest average wind speed) is December (13.5km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in December
Wylany, Poland
- Average humidity in December: 89%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Wylany, Poland
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is May (55mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in December
Wylany, Poland
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in December
Wylany, Poland
- Average snowfall in December: 91mm
The month with the highest snowfall is January (154mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Wylany, Poland
- Average snowfall days in December: 12.6 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wylany, Poland
- Average daylight in December: 7h and 48min
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 48min).
- Average sunshine in December: 2h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
Wylany, Poland
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is August (20.8 days).
The month with the least sunshine days is January (8.8 days).
Average UV index in December
Wylany, Poland
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Wylany, Poland
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Wylany, Poland
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (6km).





