December weather forecastGreoni, Romania

December

Weather in December

The first month of the winter, December, is also an icy month in Greoni, Romania, with an average temperature ranging between min -1.6°C (29.1°F) and max 4°C (39.2°F).

Temperature

The onset of December brings a small change in high-temperatures, falling from a fresh 11.1°C (52°F) in November to an icy 4°C (39.2°F). An average low-temperature of -1.6°C (29.1°F) is anticipated throughout the nights in Greoni during December.

Humidity

The average relative humidity in December is 84%.

Rainfall

In Greoni, Romania, in December, it is raining for 9.4 days, with typically 32mm (1.26") of accumulated precipitation. In Greoni, during the entire year, the rain falls for 130.4 days and collects up to 395mm (15.55") of precipitation.

Snowfall

January through April, October through December are months with snowfall. In December, it is snowing for 6.5 days. Throughout December, 101mm (3.98") of snow is accumulated. In Greoni, during the entire year, snow falls for 28.4 days and aggregates up to 343mm (13.5") of snow.

Daylight

December has the shortest days of the year in Greoni, with an average of 8h and 48min of daylight.
On the first day of the month, sunrise is at 07:52 and sunset at 16:53. On the last day of December, sunrise is at 08:11 and sunset at 17:01 EET.

Sunshine

In December, the average sunshine is 4.9h.

UV index

The months with the lowest UV index in Greoni are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. To protect against the Sun's most potent rays, avoid direct exposure around midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.

Frequently asked questions

During December, Greoni experiences an average high-temperature of 4°C (39.2°F) and a low-temperature of -1.6°C (29.1°F). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 31°C (87.8°F).

In December, the average relative humidity in Greoni is 84%.

In December, in Greoni, the rain falls for 9.4 days. Throughout December, 32mm (1.26") of precipitation is accumulated.

In Greoni, Romania, in December, during 6.5 snowfall days, 101mm (3.98") of snow is typically accumulated.

The month with the shortest days in Greoni is December, with an average of 8h and 48min of daylight.

In Greoni, the average day length in December is 8h and 50min.

On the first day of December, sunrise is at 07:52 and sunset at 16:53. On the last day of the month, sunrise is at 08:11 and sunset at 17:01 EET.

In December, the average sunshine duration is 4.9h.

The months with the lowest UV index in Greoni, Romania, are January, February, November and December, with an average maximum UV index of 2.

In December, the average daily maximum UV index in Greoni, Romania, is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Greoni, Romania

  • Average high temperature in December: 4°C

The warmest month (with the highest average high temperature) is August (29°C).
The month with the lowest average high temperature is January (2.4°C).

  • Average low temperature in December: -1.6°C

The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).

Average pressure in December
Greoni, Romania

  • Average pressure in December: 1021mbar

The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is June (1013.7mbar).

Average wind speed in December
Greoni, Romania

  • Average wind speed in December: 8.3km/h

The windiest month (with the highest average wind speed) is February (10.4km/h).
The calmest month (with the lowest average wind speed) is July (8km/h).

Average humidity in December
Greoni, Romania

  • Average humidity in December: 84%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (58%).

Average rainfall in December
Greoni, Romania

  • Average rainfall in December: 32mm

The wettest month (with the highest rainfall) is May (61mm).
The driest month (with the least rainfall) is September (18mm).

Average rainfall days in December
Greoni, Romania

  • Average rainfall days in December: 9.4 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is August (7.6 days).

Average snowfall in December
Greoni, Romania

  • Average snowfall in December: 101mm

The month with the highest snowfall is January (106mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December
Greoni, Romania

  • Average snowfall days in December: 6.5 days

The month with the highest number of snowfall days is January (9.6 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
Greoni, Romania

  • Average daylight in December: 8h and 48min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in December: 4h and 54min

The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in December
Greoni, Romania

  • Average sunshine days in December: 15.7 days

The month with the most sunshine days is August (21.1 days).
The month with the least sunshine days is May (11.2 days).

Average UV index in December
Greoni, 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
Greoni, Romania

  • Average cloud cover in December: 50

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 18).

Average visibility in December
Greoni, 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).