December weather forecastPotštejn, Czech Republic
December
Weather in December
The first month of the winter, December, is also a wintry month in Potštejn, Czech Republic, with an average temperature fluctuating between 1.4°C (34.5°F) and -2.9°C (26.8°F).Temperature
The decrease of average high-temperatures is mild in December, with a decline from a frosty 6.7°C (44.1°F) in November to a cold 1.4°C (34.5°F). December nights reflect a consistent temperature dip to a freezing cold -2.9°C (26.8°F), a slight descent from daytime peaks.Humidity
In Potštejn, the average relative humidity in December is 89%.Rainfall
In Potštejn, in December, it is raining for 9.5 days, with typically 34mm (1.34") of accumulated precipitation. Throughout the year, there are 134 rainfall days, and 451mm (17.76") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 11.7 days. Throughout December, 80mm (3.15") of snow is accumulated. Throughout the year, in Potštejn, Czech Republic, there are 55.1 snowfall days, and 436mm (17.17") of snow is accumulated.Daylight
With an average of 8h and 12min of daylight, December has the shortest days of the year in Potštejn.On the first day of December, sunrise is at 07:32 and sunset at 15:55. On the last day of the month, sunrise is at 07:53 and sunset at 16:02 CET.
Sunshine
In Potštejn, the average sunshine in December is 3.6h.UV index
The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Potštejn, Czech Republic
- Average high temperature in December: 1.4°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 (-0.5°C).
- Average low temperature in December: -2.9°C
The month with the highest average low temperature is August (12.4°C).
The coldest month (with the lowest average low temperature) is January (-5.3°C).
Average pressure in December
Potštejn, Czech Republic
- Average pressure in December: 1018.6mbar
The months with the highest atmospheric pressure are October and December (1018.6mbar).
The month with the lowest atmospheric pressure is July (1015mbar).
Average wind speed in December
Potštejn, Czech Republic
- Average wind speed in December: 14.4km/h
The windiest month (with the highest average wind speed) is December (14.4km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in December
Potštejn, Czech Republic
- Average humidity in December: 89%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Potštejn, Czech Republic
- Average rainfall in December: 34mm
The wettest month (with the highest rainfall) is June (65mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in December
Potštejn, Czech Republic
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (7 days).
Average snowfall in December
Potštejn, Czech Republic
- Average snowfall in December: 80mm
The month with the highest snowfall is January (138mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Potštejn, Czech Republic
- Average snowfall days in December: 11.7 days
The month with the highest number of snowfall days is January (16.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Potštejn, Czech Republic
- Average daylight in December: 8h and 12min
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: 3h and 36min
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 24min).
Average sunshine days in December
Potštejn, Czech Republic
- Average sunshine days in December: 11 days
The month with the most sunshine days is October (18.7 days).
The months with the least sunshine days are May and December (11 days).
Average UV index in December
Potštejn, Czech Republic
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in December
Potštejn, Czech Republic
- Average cloud cover in December: 66
The months with the most cloud cover are January and December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Potštejn, Czech Republic
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The month with the lowest visibility is January (7km).
