December Weather in Yerevan, Armenia

Last updated: August 21, 2025

December in Yerevan, Armenia showcases a chillier side of the year, with temperatures fluctuating between a maximum of 12°C (53°F) and dipping to a minimum of -17°C (1°F). On average, the month settles at a brisk -1°C (31°F), enveloped in an atmosphere of 85% humidity. The city experiences about 39 mm (1.5 in) of precipitation over 8 days, adding to the wintery charm while transforming the landscape into a picturesque scene. Whether basking in the crisp air or enjoying the occasional snowfall, December provides a perfect setting to experience the serene beauty of Yerevan.

December Temperature in Yerevan

As December blankets Yerevan, Armenia in its wintry embrace, temperatures plunge markedly, reflecting a characteristic drop towards the end of the year. With minimums dipping to -17°C (1°F) and an average of -1°C (31°F), the city transforms into a chilly wonderland, especially in contrast to the milder autumn months. While the monthly maximum hits 12°C (53°F), the overall trend clearly indicates that winter is settling in, following the progressively colder weeks of November. The considerable shift from the preceding months sets the stage for a season filled with picturesque snowy landscapes and festive cheer, inviting both locals and visitors to embrace the enchanting cold.

December Weather in Yerevan: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Yerevan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yerevan, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec232938495970757467533931
Data source: Temperature data for Yerevan generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Yerevan

December in Yerevan, Armenia, marks a noteworthy shift in precipitation patterns as the year draws to a close. With 39 mm (1.5 in) of rainfall spread across 8 days, it stands out as a month of increased moisture compared to the drier summer months of June, July, and August, which each receive less than 10 mm of precipitation. This uptick signals the onset of winter, providing a critical boost to moisture levels after a relatively dry autumn. Additionally, December's rainfall is higher than that of November, which recorded 23 mm over 5 days. This trend emphasizes the importance of December not just as a transitional month, but as a vital contributor to Yerevan's annual precipitation, setting the stage for the colder months ahead.

December Precipitation Trends in Yerevan

The chart displays monthly precipitation patterns in Yerevan, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Yerevan, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec22316561499986182339
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Yerevan

In December, Yerevan experiences a noticeable shift in humidity, with levels averaging 85%—a slight decline from the preceding months, yet still indicative of the city's generally moist winter atmosphere. The trend throughout the year reveals a gradual decrease in humidity from the peak of 88% in February to the more comfortable 66% in August. This seasonal ebb and flow emphasizes the distinct transition from summer's drier air back into the cooler, more humid months of late fall and winter. The consistent humidity in December reinforces Yerevan's characteristic chilly climate, creating cozy conditions that invite locals and visitors alike to enjoy the city’s winter charm.

December Average Humidity in Yerevan

This chart illustrates the average monthly humidity levels in Yerevan, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Yerevan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%88%85%81%78%79%80%66%67%81%84%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Yerevan

In Yerevan, Armenia, the UV Index trends dramatically throughout the year, peaking in the summer months and receding as winter approaches. Starting with a moderate level of 3 in December, residents can expect a relatively safe level of sun exposure, with a burn time of about 30 minutes. This trend aligns with early winter months where the UV Index remains moderate, evidenced by similar readings in January (3) and November (4). As spring unfolds, the UV Index shoots up, reaching a striking 11 in May and hitting its highest point of 12 in both June and July, indicating extreme sun exposure risks. As the year winds down towards the end of the calendar, Yerevan's UV levels remind us of the cyclic pattern of solar intensity and the importance of skin protection during peak months. For detailed insights, explore more at Yerevan UV Index.

Maximum UV Index Levels in Yerevan for December

The chart shows the monthly maximum UV Index (UVI) for Yerevan in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Yerevan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3599111212109743
Data source: Yerevan December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Yerevan

As December unfolds in Yerevan, Armenia, the city basks in a gentle sunshine that shines for around 250 hours, a reminder of the year’s fading warmth. This marks a gradual decline from the sunniest months of July and June, which boast over 400 hours of radiant light. While the days grow shorter as winter approaches, December's sunshine still offers a soft glow that contrasts with the chilly air, inviting residents and visitors alike to embrace the beauty of the season. As we transition from the vibrant sunshine of summer to the quieter, yet still comforting, rays of winter, December serves as a moment of reflection—an appreciation of the year’s cycle and the promise of brighter days ahead.

Monthly Sunshine Duration in Yerevan: December Highlighted

The December sunshine duration represents the total number of hours Yerevan experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec210h267h311h330h386h403h416h395h341h314h263h250h
Data source: Yerevan December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Yerevan During December

As December rolls in, the chance of sunny weather in Yerevan, Armenia, stands at a mild 59%, offering a pleasant respite before the winter chill takes hold. This figure reflects a gradual trend of decreasing sunshine, dropping from the robust 80% in June to 57% in November before seeing a slight uptick in December. Notably, while the late autumn months hint at diminishing daylight, December’s forecast still holds a brighter promise compared to earlier months like March and April, which see sun chances as low as 47%. As the year winds down, Yerevan retains a glimmer of sunlight, making December a wonderful time for both locals and visitors to soak up the last rays of the year.

Percentage of Sunny Days in December in Yerevan

The chart illustrates the percentage of sunny days in Yerevan throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Yerevan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%58%48%49%57%80%71%74%79%69%57%59%
Data source: Yerevan December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Yerevan in December

In Yerevan, Armenia, the daylight duration experiences a captivating rhythm throughout the year, steeply rising to a peak in May and June, where the city basks in a generous 14 hours of daylight. As the seasons shift, this abundance gradually tapers off; by September, daylight dwindles to 12 hours, paving the way for the colder months. Interestingly, both November and December see a return to 9 hours of sunlight, mirroring the shorter days of January. This cyclical pattern highlights the contrast between the vibrant, sunlit days of spring and summer and the more subdued light of winter, creating a dynamic backdrop for life in Yerevan throughout the year.

Average Daylight Hours in Yerevan for December

The chart illustrates the variation in daylight duration in Yerevan throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 39m10h 39m11h 57m13h 17m14h 24m14h 58m14h 41m13h 41m12h 25m11h 5m9h 56m9h 20m
Data source: Yerevan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Yerevan

In Yerevan, the December wind whispers softly, echoing the trends of the year as it breezes in at an average speed of 1.6 m/s (4 mph). This is consistent with the lighter winds experienced in the earlier winter months of November and January, both also hovering around the same speed. Interestingly, as the seasons shift from the vibrant warmth of summer to the crisp chill of late autumn, the wind speed typically sees a gradual rise from 2.3 m/s in April to its peak of 2.7 m/s in June. However, as the festive season approaches, this gentle December breeze invites a sense of calm, suggesting that while the world outside grows colder, the winds maintain a serene and inviting demeanor throughout the city.

Average December Wind Speed in Yerevan

The chart displays monthly wind speed patterns in Yerevan, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.72.02.32.32.72.32.42.21.71.51.6 m/s
Data source: Yerevan December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Yerevan Compares to Other Months

Weather in Yerevan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Yerevan, focusing on differences in temperature, rainfall, humidity, and UV levels.

In December, the weather experiences a milder range with temperatures ranging from a minimum of -17°C (1°F) to a maximum of 12°C (53°F), averaging around -1°C (31°F). This month sees approximately 39 mm (1.5 in) of precipitation over eight days and maintains a humidity level of 85%. In contrast, January is notably colder, with temperatures dipping to a minimum of -20°C (-3°F) and averaging -5°C (24°F), while the maximum temperature reaches 9°C (49°F). Precipitation decreases to 22 mm (0.9 in) over just five days, accompanied by slightly higher humidity at 87%. For a more detailed look at the conditions in January, check out Yerevan weather in January.

December and February both bring cold temperatures, but February tends to be slightly chillier. In December, temperatures range from a minimum of -17°C (1°F) to a maximum of 12°C (53°F), with an average of -1°C (31°F). The month also sees about 39 mm (1.5 in) of precipitation across 8 days, with a humidity level of 85%. In contrast, February’s temperatures drop further, featuring a minimum of -20°C (-4°F) and an average of -2°C (29°F), while the maximum is slightly lower at 10°C (50°F). February experiences a bit less precipitation, totaling 31 mm (1.2 in) over 6 days, but humidity rises to 88%. For more details, you can check Yerevan weather in February.

December and March present distinct shifts in weather conditions. In December, temperatures can drop as low as -17°C (1°F), with an average around -1°C (31°F) and a maximum of 12°C (53°F). The month sees about 39 mm (1.5 in) of precipitation over 8 days, accompanied by a high humidity level of 85%. Conversely, March experiences milder temperatures, with minimums reaching -12°C (11°F) and averaging 3°C (38°F), peaking at 20°C (68°F). Precipitation increases to 65 mm (2.6 in) over 12 days, while humidity remains consistent at 85%. For more detailed information, you can check Yerevan weather in March.

In December, the weather is characterized by cold temperatures, with a minimum of -17°C (1°F) and an average of around -1°C (31°F), making it feel quite frigid. Precipitation occurs on about 8 days, amounting to 39 mm (1.5 in), and the humidity is relatively high at 85%, adding to the chill in the air. In stark contrast, April brings a significant warming trend, with temperatures ranging from a minimum of -4°C (26°F) to a pleasant maximum of 24°C (75°F) and an average of 9°C (49°F). Although April experiences slightly higher precipitation at 61 mm (2.4 in) over 12 days, the humidity is lower at 80%, contributing to a more comfortable feel. For a closer look at April weather specifics, check out Yerevan weather in April.

December weather in Yerevan is characterized by cold temperatures, with lows plummeting to -17°C (1°F) and an average of -1°C (31°F), while daytime highs reach only up to 12°C (53°F). The month also sees high humidity levels at 85% and about 39 mm (1.5 in) of precipitation over approximately 8 days. In contrast, May brings a significant shift in climate, with a more pleasant range of temperatures: minimums around 2°C (35°F), average highs of 15°C (59°F), and peak temperatures soaring up to 31°C (88°F). Although May experiences slightly more precipitation at 49 mm (1.9 in) over 10 days, the humidity drops to a more comfortable 78%. For those interested in learning more about the weather during this vibrant month, check out Yerevan weather in May.

December and June present strikingly different weather conditions. In December, temperatures range from a chilling -17°C (1°F) to a more moderate 12°C (53°F), with an average of -1°C (31°F), and high humidity at 85%. This month also sees about 39 mm (1.5 in) of precipitation over eight days, creating a wintry atmosphere. In contrast, June experiences much warmer temperatures, spanning from a minimum of 10°C (50°F) to a scorching maximum of 36°C (97°F), with an average of 21°C (70°F). The precipitation drops significantly to just 9 mm (0.3 in) over one day, and humidity is slightly lower at 79%. For more details, check out Yerevan weather in June.

December and July present strikingly different weather conditions. In December, temperatures can plummet to a minimum of -17°C (1°F) with an average around -1°C (31°F), reaching a maximum of 12°C (53°F). The month also experiences 39 mm (1.5 in) of precipitation over approximately 8 days, coupled with a high humidity level of 85%. In contrast, July showcases significantly warmer weather, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 37°C (99°F) and an average of 24°C (76°F). Rainfall is minimal at just 9 mm (0.3 in) across 1 day, and humidity is slightly lower at 80%. For a closer look at the warm weather in July, visit Yerevan weather in July.

In December, temperatures in Yerevan can drop as low as -17°C (1°F), with an average of -1°C (31°F) and a maximum of 12°C (53°F). The month experiences about 39 mm (1.5 in) of precipitation over 8 days, accompanied by high humidity levels of 85%. In stark contrast, August offers much milder weather, with minimum temperatures around 9°C (49°F), an average of 23°C (74°F), and highs reaching up to 36°C (98°F). Precipitation is minimal in August, totaling just 8 mm (0.3 in) over only 1 day, and the humidity is lower at 66%. For more details, check out Yerevan weather in August.

In December, the weather takes a stark turn compared to September, with temperatures plummeting to a minimum of -17°C (1°F) and an average of -1°C (31°F). In stark contrast, September boasts milder conditions, featuring a minimum of 5°C (42°F) and an average temperature of 19°C (67°F), with highs reaching up to 34°C (94°F). Additionally, December experiences significantly more precipitation, with 39 mm (1.5 in) falling over 8 days, while September remains relatively dry, receiving only 6 mm (0.2 in) over just 1 day. The humidity is also higher in December at 85%, compared to September's more comfortable 67%. For a detailed look at the September climate, check out Yerevan weather in September.

In December, the weather takes a significant turn, with temperatures dropping to a minimum of -17°C (1°F) and averaging around -1°C (31°F), while the maximum temperature reaches just 12°C (53°F). The month sees about 39 mm (1.5 in) of precipitation across roughly 8 days, and humidity levels are relatively high at 85%. In contrast, October boasts milder temperatures, with a minimum of -4°C (26°F) and an average of 12°C (53°F), peaking at 26°C (79°F). Precipitation is considerably lower in October, totaling 18 mm (0.7 in) and occurring over just 3 days, with humidity levels slightly lower at 81%. For more details, check out Yerevan weather in October.

In December, the weather is noticeably colder than in November, with average temperatures dropping from 4°C (40°F) in November to around -1°C (31°F) in December. The minimum temperature in December can plummet to -17°C (1°F), compared to a milder low of -9°C (17°F) in November. Precipitation increases in December, with 39 mm (1.5 in) over 8 days, while November sees less rain at 23 mm (0.9 in) over just 5 days. Humidity remains quite high in both months, with December at 85% and November slightly lower at 84%. For a detailed look at November's weather, check Yerevan weather in November.

Compare Yerevan's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Yerevan

December in Yerevan ushers in a notable shift as the city bids farewell to the milder autumn days, embracing the chill of winter. With average temperatures hovering around freezing, the month presents a dramatic contrast to the preceding months, where softer breezes and warmer days were commonplace. The increased humidity and the chance of snow transform the landscape, while occasional precipitation brings a festive charm. As holiday lights twinkle against the frosty backdrop, December encapsulates a unique beauty that sets it apart from the rest of the year. For a deeper dive into the year-round climate characteristics, visit Yerevan Climate.