December weather forecastBystřička, Czech Republic
December
Weather in December
The first month of the winter, December, is also an icy month in Bystřička, Czech Republic, with an average temperature fluctuating between -2.5°C (27.5°F) and 1.6°C (34.9°F).Temperature
Bystřička's weather in December involves a decrease in the average high-temperature, moving down from November's chilly 7.7°C (45.9°F) to an icy 1.6°C (34.9°F). A consistent average low of -2.5°C (27.5°F) is noted throughout December, only a small step down from its daytime high.Humidity
The average relative humidity in December is 87%.Rainfall
In Bystřička, in December, it is raining for 11.3 days, with typically 38mm (1.5") of accumulated precipitation. In Bystřička, during the entire year, the rain falls for 155 days and collects up to 472mm (18.58") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Bystřička, in December, during 10.4 snowfall days, 102mm (4.02") of snow is typically accumulated. In Bystřička, during the entire year, snow falls for 47.6 days and aggregates up to 450mm (17.72") of snow.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:22 and sunset at 15:51. On the last day of December, in Bystřička, sunrise is at 07:43 and sunset at 15:58 CET.
Sunshine
In December, the average sunshine is 4.2h.UV index
The months with the lowest UV index are November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In December, an average UV index of 1 transforms into the following instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Always opt for UVA and UVB-resistant sunglasses on radiant days. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bystřička, Czech Republic
- Average high temperature in December: 1.6°C
The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in December: -2.5°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-4.8°C).
Average pressure in December
Bystřička, Czech Republic
- Average pressure in December: 1018.9mbar
The month with the highest atmospheric pressure is December (1018.9mbar).
The month with the lowest atmospheric pressure is July (1014.7mbar).
Average wind speed in December
Bystřička, Czech Republic
- Average wind speed in December: 13.4km/h
The windiest month (with the highest average wind speed) is December (13.4km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in December
Bystřička, Czech Republic
- Average humidity in December: 87%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Bystřička, Czech Republic
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is May (65mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in December
Bystřička, Czech Republic
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in December
Bystřička, Czech Republic
- Average snowfall in December: 102mm
The month with the highest snowfall is January (147mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Bystřička, Czech Republic
- Average snowfall days in December: 10.4 days
The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bystřička, Czech Republic
- Average daylight in December: 8h and 18min
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 12min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Bystřička, Czech Republic
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in December
Bystřička, Czech Republic
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in December
Bystřička, Czech Republic
- Average cloud cover in December: 58
The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Bystřička, 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).
