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
Onset of December comes with a temperature decline, the average high falling from a fresh 10.9°C (51.6°F) in November to a cold 3.4°C (38.1°F). Nighttime temperature experiences an average drop to a subzero cold -2.7°C (27.1°F) in December.Humidity
In December, the average relative humidity in Căstău is 83%.Rainfall
In December, in Căstău, the rain falls for 9.2 days. Throughout December, 24mm (0.94") of precipitation is accumulated. Throughout the year, there are 138.4 rainfall days, and 366mm (14.41") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 7.4 days and typically aggregates up to 64mm (2.52") of snow.Daylight
The month with the shortest days in Căstău is December, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 07:48 and sunset at 16:44. On the last day of December, sunrise is at 08:08 and sunset at 16:52 EET.
Sunshine
In Căstău, the average sunshine in December is 5.6h.UV index
January, February, November and 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 vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 in December translates into these instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
How cold is December in Căstău?
What is the average humidity in December in Căstău?
How many days does it rain in December in Căstău?
What is the snowiest month in Căstău?
How much does it snow in Căstău in December?
What is the month with the shortest days in Căstău?
How many hours of daylight does Căstău have in December?
When is the sunrise / sunset in December in Căstău?
How many hours of sunshine does Căstău have in December?
What are the months with the lowest UV index in Căstău?
What is the UV index intensity in December in Căstău?
Average temperature in December
Căstău, Romania
- Average high temperature in December: 3.4°C
The warmest month (with the highest average high temperature) is August (28.1°C).
The month with the lowest average high temperature is January (1.8°C).
- Average low temperature in December: -2.7°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-4.9°C).
Average pressure in December
Căstău, Romania
- Average pressure in December: 1020.6mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is June (1013.6mbar).
Average wind speed in December
Căstău, Romania
- Average wind speed in December: 5.8km/h
The windiest month (with the highest average wind speed) is March (6.9km/h).
The calmest month (with the lowest average wind speed) is August (4.9km/h).
Average humidity in December
Căstău, Romania
- Average humidity in December: 83%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (62%).
Average rainfall in December
Căstău, Romania
- Average rainfall in December: 24mm
The wettest month (with the highest rainfall) is June (57mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in December
Căstău, Romania
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is September (8.2 days).
Average snowfall in December
Căstău, Romania
- Average snowfall in December: 64mm
The month with the highest snowfall is December (64mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Căstău, Romania
- Average snowfall days in December: 7.4 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Căstău, Romania
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in December
Căstău, Romania
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in December
Căstău, Romania
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Căstău, Romania
- Average cloud cover in December: 44
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Căstău, Romania
- Average visibility in December: 8km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and December (8km).
Căstău, Romania
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