December weather forecast
Yerevan, Armenia

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Yerevan, Armenia at sunrise, with a view of the snow-capped Ararat Mountain, and cloudy skies in the far background
Yerevan, Armenia at sunrise, with a view of the snow-capped Ararat Mountain, and cloudy skies in the far background

Weather in December

December stands as a stark contrast to November, with a dip in the average low temperature to -3.9°C (25°F) and a consistent decrease in daylight hours. Yerevan dresses in winter attire, with snowfall returning and temperatures consistently dropping below freezing at night. Outdoor activities are reduced, making way for winter festivities and indoor events. Despite the cold, December transforms Yerevan into a city of lights and festivities, ushering in the Christmas spirit.

Temperature

Yerevan's progression into December includes a drop in the average high-temperature, from a cool 12.4°C (54.3°F) in November to a wintry 4.6°C (40.3°F). In Yerevan, in December, the average low-temperature is a subzero cold -3.9°C (25°F).

Humidity

In December, the average relative humidity is 79%.

Rainfall

In Yerevan, in December, it is raining for 4 days, with typically 20mm (0.79") of accumulated precipitation. In Yerevan, during the entire year, the rain falls for 78 days and collects up to 296mm (11.65") of precipitation.

Snowfall

Months with snowfall in Yerevan are January through April, October through December. In December, in Yerevan, Armenia, snow falls for 5 days. In Yerevan, Armenia, during the entire year, snow falls for 22.3 days.

Daylight

The month with the shortest days in Yerevan is December, with an average of 9h and 24min of daylight.
On the first day of December, sunrise is at 08:05 and sunset at 17:36. On the last day of the month, sunrise is at 08:24 and sunset at 17:46 +04.

Sunshine

The months with the least sunshine are January and December, with an average of 3h of sunshine.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Yerevan, Armenia. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.

Frequently asked questions

How cold is it in Yerevan in December?

In Yerevan, 4.6°C (40.3°F) is the average high-temperature and -3.9°C (25°F) is the average low-temperature during December. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is appraised at 29°C (84.2°F).

What is the average humidity in December in Yerevan?

In Yerevan, Armenia, the average relative humidity in December is 79%.

How much does it rain in Yerevan in December?

In Yerevan, Armenia, during December, the rain falls for 4 days and regularly aggregates up to 20mm (0.79") of precipitation.

How many days does it snow in December in Yerevan?

In December, in Yerevan, Armenia, snow falls for 5 days.

What is the month with the shortest days in Yerevan?

December has the shortest days of the year in Yerevan, Armenia, with an average of 9h and 24min of daylight.

How many hours of daylight does Yerevan have in December?

The average day length in December in Yerevan, Armenia, is 9h and 22min.

What time are sunrise and sunset in December in Yerevan?

In December, on the first day of the month, sunrise is at 08:05 and sunset at 17:36. On the last day of the month, in Yerevan, Armenia, sunrise is at 08:24 and sunset at 17:46 +04.

What is the month with the least sunshine in Yerevan?

The months with the least sunshine in Yerevan are January and December, with an average of 3h of sunshine.

How many hours of sunshine does Yerevan have in December?

In Yerevan, Armenia, the average sunshine duration in December is 3h.

What are the months with the lowest UV index in Yerevan?

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

How high is the UV index in December in Yerevan?

In Yerevan, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average UV index

Average temperature in December
Yerevan, Armenia

Average temperature in December - Yerevan, Armenia
  • Average high temperature in December: 4.6°C

The warmest month (with the highest average high temperature) is July (33.7°C).
The month with the lowest average high temperature is January (1.2°C).

  • Average low temperature in December: -3.9°C

The month with the highest average low temperature is July (19.4°C).
The coldest month (with the lowest average low temperature) is January (-7.5°C).

Average humidity in December
Yerevan, Armenia

Average humidity in December - Yerevan, Armenia
  • Average humidity in December: 79%

The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (47%).

Average rainfall in December
Yerevan, Armenia

Average rainfall in December - Yerevan, Armenia
  • Average rainfall in December: 20mm

The wettest month (with the highest rainfall) is April (51mm).
The driest month (with the least rainfall) is September (8mm).

Average rainfall days in December
Yerevan, Armenia

Average rainfall days in December - Yerevan, Armenia
  • Average rainfall days in December: 4 days

The months with the highest number of rainy days are April and May (12 days).
The month with the least rainy days is January (2 days).

Average snowfall days in December
Yerevan, Armenia

Average snowfall days in December - Yerevan, Armenia
  • Average snowfall days in December: 5 days

The months with the highest number of snowfall days are January and February (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
Yerevan, Armenia

Average daylight in December / Average sunshine in December - Yerevan, Armenia
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 3h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The months with the least sunshine are January and December (Average sunshine: 3h and 0min).

Average UV index in December
Yerevan, Armenia

Average UV index in December - Yerevan, Armenia
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 11).
The months with the lowest UV index are January and December (UV index 2).

Yerevan, Armenia

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