December weather forecast
Rostov-on-Don, Russia

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Weather in December

December sets the stage for the incoming harsh Russian winter. Temperatures oscillate around the freezing point and daylight hours reach a minimum. A distinct chill engulfs the city, casting an air of tranquility that matches well with the festive holiday season. The increased relative humidity makes the actual temperatures appear colder, accompanying the dwindling year with a bundle of chilly days. December in Rostov-on-Don embraces the onset of winter, bearing witness to the city’s transformation into a snow-kissed winter wonderland.

Temperature

The shift to December brings a decrease in the average high-temperature, falling from a chilly 6.3°C (43.3°F) in November to a wintry 1.2°C (34.2°F). Rostov-on-Don witnesses an average low-temperature of -4°C (24.8°F) throughout the month of December.

Humidity

December is the most humid month in Rostov-on-Don, Russia, with an average relative humidity of 86%.

Rainfall

In Rostov-on-Don, in December, during 10 rainfall days, 69mm (2.72") of precipitation is typically accumulated. In Rostov-on-Don, during the entire year, the rain falls for 106 days and collects up to 643mm (25.31") of precipitation.

Daylight

The month with the shortest days in Rostov-on-Don is December, with an average of 8h and 36min of daylight.
On the first day of the month, sunrise is at 07:47 and sunset at 16:33. On the last day of December, sunrise is at 08:07 and sunset at 16:40 MSK.

Sunshine

December has the least sunshine of the year, with an average of 1.2h of sunshine.

UV index

The months with the lowest UV index in Rostov-on-Don, Russia, are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

How cold is December in Rostov-on-Don?

The high-temperature in Rostov-on-Don, Russia, during December is 1.2°C (34.2°F) and the low-temperature is -4°C (24.8°F). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 31°C (87.8°F).

What is the most humid month in Rostov-on-Don?

The most humid month is December, with an average relative humidity of 86%.

What is the average humidity in December in Rostov-on-Don?

The average relative humidity in December is 86%.

How many days does it rain in December in Rostov-on-Don?

In December, in Rostov-on-Don, Russia, the rain falls for 10 days. Throughout December, 69mm (2.72") of precipitation is accumulated.

What is the month with the shortest days in Rostov-on-Don?

With an average of 8h and 36min of daylight, December has the shortest days of the year in Rostov-on-Don, Russia.

How many hours of daylight does Rostov-on-Don have in December?

In December, the average day length in Rostov-on-Don, Russia, is 8h and 34min.

What time are sunrise and sunset in December in Rostov-on-Don?

In December, on the first day of the month, sunrise is at 07:47 and sunset at 16:33. On the last day of the month, in Rostov-on-Don, Russia, sunrise is at 08:07 and sunset at 16:40 MSK.

What is the month with the least sunshine in Rostov-on-Don?

The month with the least sunshine in Rostov-on-Don, Russia, is December, with an average of 1.2h of sunshine.

How long on average sun shines in December in Rostov-on-Don?

The average sunshine duration in December in Rostov-on-Don is 1.2h.

What is the month with the lowest UV index in Rostov-on-Don?

The months with the lowest UV index in Rostov-on-Don, Russia, are January, November and December, with an average maximum UV index of 1.

How high is the UV index in December in Rostov-on-Don?

The average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in December
Rostov-on-Don, Russia

Average temperature in December - Rostov-on-Don, Russia
  • Average high temperature in December: 1.2°C

The warmest month (with the highest average high temperature) is July (29.2°C).
The month with the lowest average high temperature is January (-0.1°C).

  • Average low temperature in December: -4°C

The month with the highest average low temperature is July (18°C).
The coldest month (with the lowest average low temperature) is February (-5.6°C).

Average humidity in December
Rostov-on-Don, Russia

Average humidity in December - Rostov-on-Don, Russia
  • Average humidity in December: 86%

The month with the highest relative humidity is December (86%).
The month with the lowest relative humidity is August (59%).

Average rainfall in December
Rostov-on-Don, Russia

Average rainfall in December - Rostov-on-Don, Russia
  • Average rainfall in December: 69mm

The wettest month (with the highest rainfall) is June (70mm).
The driest month (with the least rainfall) is October (39mm).

Average rainfall days in December
Rostov-on-Don, Russia

Average rainfall days in December - Rostov-on-Don, Russia
  • Average rainfall days in December: 10 days

The months with the highest number of rainy days are April and November (12 days).
The month with the least rainy days is January (4 days).

Average daylight in December /
Average sunshine in December
Rostov-on-Don, Russia

Average daylight in December / Average sunshine in December - Rostov-on-Don, Russia
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in December: 1h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 1h and 12min).

Average UV index in December
Rostov-on-Don, Russia

Average UV index in December - Rostov-on-Don, Russia
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 1).

Rostov-on-Don, Russia

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