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
Weather in December
Temperature
The shift from November to December involves a decrease in the average high-temperature, from a frosty 7.9°C (46.2°F) to a wintry 2.8°C (37°F). Recording a slight decline in temperature during the nights, Ostřetín's December temperatures average at a subzero cold -1.4°C (29.5°F).Humidity
In Ostřetín, Czech Republic, the average relative humidity in December is 85%.Rainfall
In Ostřetín, in December, it is raining for 11.4 days, with typically 28mm (1.1") of accumulated precipitation. Throughout the year, there are 132.2 rainfall days, and 374mm (14.72") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Ostřetín. In December, it is snowing for 6.8 days. Throughout December, 45mm (1.77") of snow is accumulated. In Ostřetín, during the entire year, snow falls for 31.5 days and aggregates up to 220mm (8.66") of snow.Daylight
With an average of 8h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:33 and sunset at 15:56. On the last day of December, in Ostřetín, sunrise is at 07:54 and sunset at 16:03 CET.
Sunshine
In December, the average sunshine in Ostřetín 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 in Ostřetín. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 2 during December leads to these advisories:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. During bright days, sunglasses that offer UVA and UVB defense are recommended. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
How cold is it in Ostřetín in December?
What is the average humidity in December in Ostřetín?
How many days does it rain in December in Ostřetín?
How many days does it snow in December in Ostřetín?
What is the month with the shortest days in Ostřetín?
How many hours of daylight does Ostřetín have in December?
What time are sunrise and sunset in December in Ostřetín?
How long on average sun shines in December in Ostřetín?
What is the month with the lowest UV index in Ostřetín?
How high is the UV index in December in Ostřetín?
Average temperature in December
Ostřetín, 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
Ostřetín, 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
Ostřetín, 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
Ostřetín, 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
Ostřetín, 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
Ostřetín, 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
Ostřetín, 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
Ostřetín, 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
Ostřetín, Czech Republic
- Average daylight in December: 8h and 1min
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 2min
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
Ostřetín, 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
Ostřetín, 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
Ostřetín, 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
Ostřetín, 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).
Ostřetín, Czech Republic
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