December weather forecastGrunta, Czech Republic
December
Weather in December
December, the first month of the winter in Grunta, is also a wintry month, with an average temperature fluctuating between -1.4°C (29.5°F) and 2.8°C (37°F).Temperature
The onset of December coincides with a reduction in the average high-temperature, falling from a frosty 7.9°C (46.2°F) in November to a wintry 2.8°C (37°F). Grunta's nights throughout December are marked by an average low temperature of -1.4°C (29.5°F), a minor drop from the day's high.Humidity
The average relative humidity in December is 85%.Rainfall
In Grunta, in December, it is raining for 11.4 days, with typically 28mm (1.1") of accumulated precipitation. In Grunta, during the entire year, the rain falls for 132.2 days and collects up to 374mm (14.72") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 6.8 days. Throughout December, 45mm (1.77") of snow is accumulated. Throughout the year, in Grunta, Czech Republic, there are 31.5 snowfall days, and 220mm (8.66") of snow is accumulated.Daylight
With an average of 8h and 12min of daylight, December has the shortest days of the year in Grunta.On the first day of December in Grunta, sunrise is at 07:36 and sunset at 16:00. On the last day of the month, sunrise is at 07:57 and sunset at 16:07 CET.
Sunshine
In December, the average sunshine is 4.3h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. It's recommended to limit sun exposure when its radiation is at its peak during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grunta, Czech Republic
- Average high temperature in December: 2.8°C
The warmest month (with the highest average high temperature) is August (24.6°C).
The month with the lowest average high temperature is January (0.9°C).
- Average low temperature in December: -1.4°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure in December
Grunta, Czech Republic
- Average pressure in December: 1018.5mbar
The months with the highest atmospheric pressure are October and December (1018.5mbar).
The month with the lowest atmospheric pressure is July (1015.1mbar).
Average wind speed in December
Grunta, Czech Republic
- Average wind speed in December: 13.8km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (9.2km/h).
Average humidity in December
Grunta, Czech Republic
- Average humidity in December: 85%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Grunta, Czech Republic
- Average rainfall in December: 28mm
The wettest month (with the highest rainfall) is May (56mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in December
Grunta, Czech Republic
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Grunta, Czech Republic
- Average snowfall in December: 45mm
The month with the highest snowfall is January (72mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Grunta, Czech Republic
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grunta, 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: 4h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Grunta, Czech Republic
- Average sunshine days in December: 13.6 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in December
Grunta, 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, March, October, November and December (UV index 2).
Average cloud cover in December
Grunta, Czech Republic
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Grunta, Czech Republic
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
