December weather forecastMělník, Czech Republic
December
Weather in December
In December, winter sets in earnestly in Mělník, with an average high temperature of just 2.6°C (36.7°F). The curtain of snow descends on the city, preparing it for another spell of winter wonderland. The short days and long, cold nights define this month as the city grapples with both the low temperature and the festive holiday spirit. December's juxtaposition of chilliness and celebration renders a unique sentiment to the year-end in Mělník.Temperature
The commencement of December in Mělník, Czech Republic, indicates a shift in the average high-temperature, receding from November's chilly 7.8°C (46°F) to a cold 2.6°C (36.7°F). In Mělník, December nights maintain a consistent temperature, with an average low of -1.5°C (29.3°F).Humidity
In Mělník, the average relative humidity in December is 87%.Rainfall
In December, in Mělník, the rain falls for 12.6 days. Throughout December, 39mm (1.54") of precipitation is accumulated. In Mělník, during the entire year, the rain falls for 161.2 days and collects up to 462mm (18.19") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Mělník, in December, during 9.1 snowfall days, 85mm (3.35") of snow is typically accumulated. Throughout the year, there are 41.5 snowfall days, and 328mm (12.91") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 6min of daylight.On the first day of December, sunrise is at 07:40 and sunset at 16:01. On the last day of the month, sunrise is at 08:02 and sunset at 16:08 CET.
Sunshine
In Mělník, the average sunshine in December is 4.1h.UV index
In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mělník, Czech Republic
- Average high temperature in December: 2.6°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (1°C).
- Average low temperature in December: -1.5°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in December
Mělník, Czech Republic
- Average pressure in December: 1018.1mbar
The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1015mbar).
Average wind speed in December
Mělník, Czech Republic
- Average wind speed in December: 11.8km/h
The windiest month (with the highest average wind speed) is March (12.2km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in December
Mělník, Czech Republic
- Average humidity in December: 87%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Mělník, Czech Republic
- Average rainfall in December: 39mm
The wettest month (with the highest rainfall) is June (65mm).
The driest month (with the least rainfall) is November (22mm).
Average rainfall days in December
Mělník, Czech Republic
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in December
Mělník, Czech Republic
- Average snowfall in December: 85mm
The month with the highest snowfall is January (105mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Mělník, Czech Republic
- Average snowfall days in December: 9.1 days
The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mělník, Czech Republic
- Average daylight in December: 8h and 6min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in December: 4h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Mělník, Czech Republic
- Average sunshine days in December: 11.1 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is May (10 days).
Average UV index in December
Mělník, Czech Republic
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Mělník, Czech Republic
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Mělník, Czech Republic
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is January (7km).
