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 onset of December is marked by a decrease in temperature, transitioning from a frosty 7.8°C (46°F) in November to an icy 2.6°C (36.7°F). Opolany's evenings during December maintain an average temperature of -1.5°C (29.3°F), aligning closely with the daytime temperatures.Humidity
In Opolany, the average relative humidity in December is 87%.Rainfall
In Opolany, during December, the rain falls for 12.6 days and regularly aggregates up to 39mm (1.54") of precipitation. Throughout the year, there are 161.2 rainfall days, and 462mm (18.19") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Opolany, during December, snow falls for 9.1 days and regularly aggregates up to 85mm (3.35") of snow. Throughout the year, in Opolany, there are 41.5 snowfall days, and 328mm (12.91") of snow is accumulated.Daylight
With an average of 8h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 07:36 and sunset at 15:59. On the last day of the month, sunrise is at 07:58 and sunset at 16:06 CET.
Sunshine
In Opolany, the average sunshine in December is 4.1h.UV index
The average daily maximum UV index in December in Opolany is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 2 in December translates into these instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
How cold is it in Opolany in December?
What is the average humidity in December in Opolany?
How many days does it rain in December in Opolany?
How much does it snow in Opolany in December?
What is the month with the shortest days in Opolany?
How many hours of daylight does Opolany have in December?
When is the sunrise / sunset in December in Opolany?
How many hours of sunshine does Opolany have in December?
How high is the UV index in December in Opolany?
Average temperature in December
Opolany, 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
Opolany, 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
Opolany, 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
Opolany, 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
Opolany, 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
Opolany, 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
Opolany, 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
Opolany, 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
Opolany, 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 6min).
- Average sunshine in December: 4h and 1min
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
Opolany, 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
Opolany, 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
Opolany, 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
Opolany, 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).
Opolany, Czech Republic
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