December weather forecastVisterna, Romania

December

Weather in December

December, the first month of the winter in Visterna, is also a frosty month, with temperature in the range of an average low of 2.4°C (36.3°F) and an average high of 6°C (42.8°F).

Temperature

The transition into December indicates a reduction in the average high-temperature, down to a frosty 6°C (42.8°F) from November's cool 12°C (53.6°F). Visterna registers a gentle descent to an average nighttime low of 2.4°C (36.3°F) in December from its daytime highs.

Humidity

The average relative humidity in December is 78%.

Rainfall

In Visterna, Romania, in December, it is raining for 10.2 days, with typically 31mm (1.22") of accumulated precipitation. Throughout the year, in Visterna, Romania, there are 108.5 rainfall days, and 280mm (11.02") of precipitation is accumulated.

Snowfall

January through March and December are months with snowfall in Visterna. December is the first month it typically snows in Visterna. Throughout December, in the average 2.5 snowfall days, it receives 13mm (0.51") of snow. In Visterna, during the entire year, snow falls for 14.5 days and aggregates up to 66mm (2.6") of snow.

Daylight

With an average of 8h and 54min of daylight, December has the shortest days of the year in Visterna.
On the first day of December, sunrise is at 07:22 and sunset at 16:25. On the last day of the month, sunrise is at 07:42 and sunset at 16:33 EET.

Sunshine

In Visterna, the average sunshine in December is 5.3h.

UV index

The months with the lowest UV index in Visterna are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.

Frequently asked questions

In December, in Visterna, the average high-temperature is 6°C (42.8°F), and the average low-temperature is 2.4°C (36.3°F). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 30°C (86°F).

In December, the average relative humidity in Visterna is 78%.

In Visterna, Romania, in December, during 10.2 rainfall days, 31mm (1.22") of precipitation is typically accumulated.

December is the first month it typically snows in Visterna, Romania. Throughout December, in the average 2.5 snowfall days, it receives 13mm (0.51") of snow.

December has the shortest days of the year, with an average of 8h and 54min of daylight.

In December, the average day length in Visterna is 8h and 52min.

In December, on the first day of the month, sunrise is at 07:22 and sunset at 16:25. On the last day of the month, in Visterna, Romania, sunrise is at 07:42 and sunset at 16:33 EET.

In December, the average sunshine duration is 5.3h.

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

In Visterna, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
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
Visterna, Romania

  • Average high temperature in December: 6°C

The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (3.6°C).

  • Average low temperature in December: 2.4°C

The month with the highest average low temperature is August (20.5°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).

Average pressure in December
Visterna, Romania

  • Average pressure in December: 1019.6mbar

The month with the highest atmospheric pressure is November (1019.7mbar).
The month with the lowest atmospheric pressure is July (1012.1mbar).

Average wind speed in December
Visterna, Romania

  • Average wind speed in December: 19.4km/h

The windiest month (with the highest average wind speed) is February (19.7km/h).
The calmest month (with the lowest average wind speed) is July (13.7km/h).

Average humidity in December
Visterna, Romania

  • Average humidity in December: 78%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (57%).

Average rainfall in December
Visterna, Romania

  • Average rainfall in December: 31mm

The wettest month (with the highest rainfall) is June (33mm).
The driest month (with the least rainfall) is August (9mm).

Average rainfall days in December
Visterna, Romania

  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is June (12.9 days).
The month with the least rainy days is August (3.8 days).

Average snowfall in December
Visterna, Romania

  • Average snowfall in December: 13mm

The month with the highest snowfall is January (22mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Visterna, Romania

  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Visterna, Romania

  • Average daylight in December: 8h and 54min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 5h and 18min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in December
Visterna, Romania

  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is August (26.1 days).
The month with the least sunshine days is February (14.9 days).

Average UV index in December
Visterna, Romania

  • Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December
Visterna, Romania

  • Average cloud cover in December: 44

The months with the most cloud cover are January and February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 14).

Average visibility in December
Visterna, Romania

  • Average visibility in December: 9km

The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).