December weather forecastRybianka, Poland
December
Weather in December
December, the first month of the winter in Rybianka, is also a wintry month, with an average temperature varying between -1.8°C (28.8°F) and 1.9°C (35.4°F).Temperature
December shows a mild decline in the average high-temperature, falling from November's chilly 7.1°C (44.8°F) to a wintry 1.9°C (35.4°F). Rybianka indicates a consistently low-temperature of -1.8°C (28.8°F) during the nights of December.Humidity
The average relative humidity in December is 87%.Rainfall
In December, the rain falls for 8.9 days. Throughout December, 26mm (1.02") of precipitation is accumulated. Throughout the year, there are 122.3 rainfall days, and 347mm (13.66") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Rybianka, Poland, in December, during 8.5 snowfall days, 59mm (2.32") of snow is typically accumulated. Throughout the year, in Rybianka, there are 43.1 snowfall days, and 336mm (13.23") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 0min of daylight.On the first day of December, sunrise is at 07:19 and sunset at 15:32. On the last day of the month, sunrise is at 07:40 and sunset at 15:38 CET.
Sunshine
In Rybianka, the average sunshine in December is 3.3h.UV index
The months with the lowest UV index in Rybianka 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 average person.Note: A daily high UV index of 1 in December leads to these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Boost your sun resistance with garments that are densely woven yet spacious. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rybianka, Poland
- Average high temperature in December: 1.9°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (-0.5°C).
- Average low temperature in December: -1.8°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (-4.2°C).
Average pressure in December
Rybianka, Poland
- Average pressure in December: 1017.4mbar
The month with the highest atmospheric pressure is October (1018.6mbar).
The month with the lowest atmospheric pressure is July (1014mbar).
Average wind speed in December
Rybianka, Poland
- Average wind speed in December: 14.5km/h
The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in December
Rybianka, 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 (69%).
Average rainfall in December
Rybianka, Poland
- Average rainfall in December: 26mm
The wettest month (with the highest rainfall) is July (47mm).
The driest month (with the least rainfall) is November (19mm).
Average rainfall days in December
Rybianka, Poland
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in December
Rybianka, Poland
- Average snowfall in December: 59mm
The month with the highest snowfall is January (99mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Rybianka, Poland
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (12.4 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
Rybianka, Poland
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 3h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 2h and 48min).
Average sunshine days in December
Rybianka, Poland
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is February (12.8 days).
Average UV index in December
Rybianka, 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
Rybianka, Poland
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Rybianka, Poland
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
