December weather forecastHerculian, Romania

December

Weather in December

The first month of the winter, December, is also an icy month in Herculian, Romania, with an average temperature ranging between max 0.2°C (32.4°F) and min -6.5°C (20.3°F).

Temperature

In Herculian, entering December brings a temperature decrement, reducing from November's chilly 7.5°C (45.5°F) to a cold 0.2°C (32.4°F). In the month of December, the nighttime temperature dips to a steady average of -6.5°C (20.3°F).

Humidity

The average relative humidity in December is 89%.

Rainfall

In Herculian, in December, during 5.1 rainfall days, 16mm (0.63") of precipitation is typically accumulated. Throughout the year, there are 150.9 rainfall days, and 580mm (22.83") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. The month with the most snowfall in Herculian is December, when snow falls for 10.5 days and typically aggregates up to 100mm (3.94") of snow.

Daylight

The month with the shortest days in Herculian is December, with an average of 8h and 42min of daylight.
On the first day of the month, sunrise is at 07:39 and sunset at 16:33. On the last day of December, in Herculian, sunrise is at 07:59 and sunset at 16:41 EET.

Sunshine

In December, the average sunshine in Herculian is 4.5h.

UV index

In Herculian, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.

Frequently asked questions

During December, Herculian experiences an average high-temperature of 0.2°C (32.4°F) and a low-temperature of -6.5°C (20.3°F).

The average relative humidity in December in Herculian is 89%.

In Herculian, in December, it is raining for 5.1 days, with typically 16mm (0.63") of accumulated precipitation.

The month with the most snowfall in Herculian, Romania, is December, when snow falls for 10.5 days and typically aggregates up to 100mm (3.94") of snow.

In Herculian, Romania, in December, during 10.5 snowfall days, 100mm (3.94") of snow is typically accumulated.

The month with the shortest days is December, with an average of 8h and 42min of daylight.

In Herculian, Romania, the average day length in December is 8h and 42min.

In December, on the first day of the month, sunrise is at 07:39 and sunset at 16:33. On the last day of the month, sunrise is at 07:59 and sunset at 16:41 EET.

In Herculian, the average sunshine duration in December is 4.5h.

In Herculian, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from 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
Herculian, Romania

  • Average high temperature in December: 0.2°C

The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (-1.3°C).

  • Average low temperature in December: -6.5°C

The month with the highest average low temperature is August (10.3°C).
The coldest month (with the lowest average low temperature) is January (-8.2°C).

Average pressure in December
Herculian, Romania

  • Average pressure in December: 1020.3mbar

The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is June (1013.9mbar).

Average wind speed in December
Herculian, Romania

  • Average wind speed in December: 7km/h

The windiest month (with the highest average wind speed) is April (8.4km/h).
The calmest month (with the lowest average wind speed) is August (6.1km/h).

Average humidity in December
Herculian, Romania

  • Average humidity in December: 89%

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (70%).

Average rainfall in December
Herculian, Romania

  • Average rainfall in December: 16mm

The wettest month (with the highest rainfall) is June (132mm).
The driest month (with the least rainfall) is January (12mm).

Average rainfall days in December
Herculian, Romania

  • Average rainfall days in December: 5.1 days

The month with the highest number of rainy days is June (23.7 days).
The month with the least rainy days is February (3.7 days).

Average snowfall in December
Herculian, Romania

  • Average snowfall in December: 100mm

The month with the highest snowfall is December (100mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Herculian, Romania

  • Average snowfall days in December: 10.5 days

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 8h and 42min

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: 4h and 30min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in December
Herculian, Romania

  • Average sunshine days in December: 19.4 days

The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is June (5.1 days).

Average UV index in December
Herculian, Romania

  • Average UV index in December: 2

The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in December
Herculian, Romania

  • Average cloud cover in December: 57

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 26).

Average visibility in December
Herculian, Romania

  • Average visibility in December: 6km

The months with the highest visibility are July, August and September (9km).
The months with the lowest visibility are January, February and December (6km).