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
December
Weather in December
Temperature
In Mastník, the average high-temperature in December slightly decreases from a frosty 6.5°C (43.7°F) in November to a cold 1.8°C (35.2°F). Night temperatures in December exhibit a subtle decrease, settling at an average of -2.5°C (27.5°F).Humidity
The average relative humidity in December is 88%.Rainfall
In December, the rain falls for 13 days. Throughout December, 34mm (1.34") of precipitation is accumulated. Throughout the year, there are 169.3 rainfall days, and 504mm (19.84") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Mastník, in December, during 11.7 snowfall days, 84mm (3.31") of snow is typically accumulated. Throughout the year, there are 52.5 snowfall days, and 389mm (15.31") of snow is accumulated.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 07:30 and sunset at 16:01. On the last day of the month, sunrise is at 07:51 and sunset at 16:08 CET.
Sunshine
In Mastník, the average sunshine in December is 4.3h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Mastník have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Mastník, Czech Republic
- Average high temperature in December: 1.8°C
The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (-0.1°C).
- Average low temperature in December: -2.5°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (-4.4°C).
Average pressure in December
Mastník, Czech Republic
- Average pressure in December: 1019.4mbar
The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is June (1015.3mbar).
Average wind speed in December
Mastník, Czech Republic
- Average wind speed in December: 14.6km/h
The windiest month (with the highest average wind speed) is February (15.1km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in December
Mastník, Czech Republic
- Average humidity in December: 88%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (71%).
Average rainfall in December
Mastník, Czech Republic
- Average rainfall in December: 34mm
The wettest month (with the highest rainfall) is June (82mm).
The driest month (with the least rainfall) is November (24mm).
Average rainfall days in December
Mastník, Czech Republic
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is June (20.9 days).
The month with the least rainy days is February (9 days).
Average snowfall in December
Mastník, Czech Republic
- Average snowfall in December: 84mm
The month with the highest snowfall is January (131mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Mastník, Czech Republic
- Average snowfall days in December: 11.7 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mastník, Czech Republic
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Mastník, Czech Republic
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is June (6.9 days).
Average UV index in December
Mastník, Czech Republic
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Mastník, Czech Republic
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Mastník, Czech Republic
- Average visibility in December: 8km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (7km).
