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
Weather in December
Temperature
December weather is marked by a drop in the average high-temperature, falling from a frosty 8.4°C (47.1°F) in November to an icy 2.5°C (36.5°F). Rączna, in the month of December, notes an average low temperature of -1.5°C (29.3°F), indicating a small decrease from the daytime highs.Humidity
The average relative humidity in December is 84%.Rainfall
In Rączna, during December, the rain falls for 8.9 days and regularly aggregates up to 25mm (0.98") of precipitation. Throughout the year, there are 145.3 rainfall days, and 435mm (17.13") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 9.8 days. Throughout December, 77mm (3.03") of snow is accumulated. Throughout the year, in Rączna, there are 48.8 snowfall days, and 354mm (13.94") of snow is accumulated.Daylight
December has the shortest days of the year in Rączna, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 07:18 and sunset at 15:41. On the last day of December, sunrise is at 07:39 and sunset at 15:48 CET.
Sunshine
The average sunshine in December 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 low health risk from unprotected exposure to Sun's UV rays for the average person.Note: During December, 1 as the daily maximum UV index converts into the following advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is December in Rączna?
What is the average humidity in December in Rączna?
How much does it rain in Rączna in December?
How many days does it snow in December in Rączna?
What is the month with the shortest days in Rączna?
What is the average length of the day in December in Rączna?
When is the sunrise / sunset in December in Rączna?
How long on average sun shines in December in Rączna?
When is the lowest UV index in Rączna?
What is the UV index reading in December in Rączna?
Average temperature in December
Rączna, Poland
- Average high temperature in December: 2.5°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (0.4°C).
- Average low temperature in December: -1.5°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 (-3.8°C).
Average pressure in December
Rączna, Poland
- Average pressure in December: 1018.5mbar
The month with the highest atmospheric pressure is October (1018.8mbar).
The month with the lowest atmospheric pressure is July (1014.5mbar).
Average wind speed in December
Rączna, Poland
- Average wind speed in December: 12.9km/h
The windiest month (with the highest average wind speed) is March (13km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).
Average humidity in December
Rączna, Poland
- Average humidity in December: 84%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Rączna, Poland
- Average rainfall in December: 25mm
The wettest month (with the highest rainfall) is May (70mm).
The driest month (with the least rainfall) is November (21mm).
Average rainfall days in December
Rączna, Poland
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in December
Rączna, Poland
- Average snowfall in December: 77mm
The month with the highest snowfall is January (96mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Rączna, Poland
- Average snowfall days in December: 9.8 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rączna, Poland
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in December
Rączna, Poland
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in December
Rączna, Poland
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Rączna, Poland
- Average cloud cover in December: 57
The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Rączna, Poland
- Average visibility in December: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January and February (8km).
Rączna, Poland
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