December weather forecastOmulna, Poland
December
Weather in December
December, the first month of the winter in Omulna, is also a wintry month, with an average temperature fluctuating between 2.2°C (36°F) and -1°C (30.2°F).Temperature
December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's frosty 6.5°C (43.7°F) to a wintry 2.2°C (36°F). Nighttime temperatures in Omulna record an average of -1°C (30.2°F) throughout December.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 90%.Rainfall
In Omulna, in December, it is raining for 14.9 days, with typically 45mm (1.77") of accumulated precipitation. In Omulna, during the entire year, the rain falls for 182 days and collects up to 532mm (20.94") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Omulna, in December, during 11.5 snowfall days, 84mm (3.31") of snow is typically accumulated. Throughout the year, in Omulna, there are 54.8 snowfall days, and 398mm (15.67") of snow is accumulated.Daylight
December has the shortest days of the year in Omulna, Poland, with an average of 7h and 36min of daylight.On the first day of December in Omulna, sunrise is at 07:47 and sunset at 15:36. On the last day of the month, sunrise is at 08:09 and sunset at 15:42 CET.
Sunshine
The average sunshine in December is 2.8h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Omulna. 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: In December, the maximum UV index of 1 suggests this advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Keep in mind! Snow's reflective quality can nearly 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
Omulna, Poland
- Average high temperature in December: 2.2°C
The warmest month (with the highest average high temperature) is August (23.2°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in December: -1°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in December
Omulna, Poland
- Average pressure in December: 1013.9mbar
The month with the highest atmospheric pressure is October (1016.8mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).
Average wind speed in December
Omulna, Poland
- Average wind speed in December: 15.1km/h
The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in December
Omulna, Poland
- Average humidity in December: 90%
The months with the highest relative humidity are January and December (90%).
The month with the lowest relative humidity is April (69%).
Average rainfall in December
Omulna, Poland
- Average rainfall in December: 45mm
The wettest month (with the highest rainfall) is July (74mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in December
Omulna, Poland
- Average rainfall days in December: 14.9 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is February (10.2 days).
Average snowfall in December
Omulna, Poland
- Average snowfall in December: 84mm
The month with the highest snowfall is January (142mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Omulna, Poland
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Omulna, Poland
- Average daylight in December: 7h and 36min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in December: 2h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Omulna, Poland
- Average sunshine days in December: 6.6 days
The month with the most sunshine days is April (13.7 days).
The month with the least sunshine days is December (6.6 days).
Average UV index in December
Omulna, Poland
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Omulna, Poland
- Average cloud cover in December: 74
The months with the most cloud cover are January and December (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Omulna, Poland
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).
