Last updated: August 27, 2025
December in Rostov-na-Donu brings a chilly embrace as temperatures fluctuate from a brisk maximum of 14°C (57°F) to a bone-chilling minimum of -16°C (3°F). With an average temperature hovering around 1°C (34°F), residents can expect frequent frost and overcast skies. Throughout the month, 57 mm (2.3 in) of precipitation graces the city over 9 days, contributing to the damp, humid ambiance, with humidity levels reaching a notable 90%. This weather blends a wintry charm with the realities of a harsh Russian winter, inviting both locals and visitors to adapt and enjoy the season's unique character.
In December, Rostov-na-Donu experiences a notable shift as the temperatures continue to drop, with minimums reaching -16°C (3°F) and average temperatures hovering around 1°C (34°F). While the chill sets in, the city still sees a maximum temperature of 14°C (57°F), offering a brief reprieve from the biting cold. This month marks the transition into winter, reflected in the sharp decline from the milder temperatures of November, where averages lingered around 4°C (39°F). As the year draws to a close, residents prepare for the winter months ahead, characterized by a steady freeze that significantly contrasts the warm summer highs of up to 39°C (102°F) encountered just six months prior.
In Rostov-na-Donu, December ushers in a notable increase in precipitation, with an average of 57 mm (2.3 in) of rainfall spread across 9 days. This marks a distinct rise compared to the drier summer months, reflecting a shift toward more substantial winter weather. December's precipitation is higher than November's 38 mm (1.5 in) and even exceeds the totals of many preceding months, such as April and July, which highlight the onset of the wetter season. As the year wraps up, those in Rostov-na-Donu can expect a cooler, damp atmosphere, signaling the climatic transition into winter.
In December, Rostov-na-Donu experiences a significant uptick in humidity, reaching 90%. This marks the peak of moisture levels for the year, following a gradual increase from November's 87%. As the winter chill sets in, the high humidity contrasts sharply with the dry summer months, where July and August recorded the lowest levels at 48% and 38%, respectively. Transitioning from the relatively drier conditions of late spring and summer, December's dampness creates a unique atmospheric environment that can feel particularly heavy. This seasonal shift highlights the dramatic fluctuations in humidity throughout the year, making December one of the most humid months in Rostov-na-Donu.
In December, Rostov-na-Donu enjoys a relatively low UV Index of 2, marking a significant decrease from the summer's peak levels. This reduction means that sun exposure carries a low risk, allowing residents and visitors to spend up to 45 minutes in the sun before any harmful effects are felt. Looking back at the previous months, the year experienced a steady rise in UV levels, reaching a high of 9 in July. However, as winter settles in, the UV Index drops sharply, highlighting the seasonal trends that bring a more moderate sun exposure in the colder months. For those planning outdoor activities, it's a welcome reminder to enjoy the milder sun safely. For more detailed insights, check out Rostov-na-Donu UV Index.
UV Risk Categories
In Rostov-na-Donu, the daylight hours paint a vivid seasonal picture, peaking in the summer months. December, with its 144 hours of sunshine, reflects the gradual descent into the colder seasons, showcasing a decline from the sun-drenched heights of July's 439 hours. This month's sunshine is a subtle reminder of the radiant spring to come, following the chilly, shorter days of late autumn. As one anticipates the brighter skies of March and April, when sunlight reaches around 270 to 339 hours, December's modest glow invites a cozy pause, perfectly contrasting with the energy of earlier months while hinting at the warmth that awaits.
As the year draws to a close, Rostov-na-Donu transitions into a notably cloudier December, where the likelihood of sunny weather dips to just 11%. This decline in sunshine is part of a broader trend observed through the months, with the early winter months of November and December exhibiting the lowest chances of clear skies, particularly when compared to the sun-soaked highs of July, which boasts a striking 75%. The gradual rise in sun probability from the depths of winter to the vibrant blooms of spring reveals a seasonal rhythm that residents can anticipate, making December a time when a rare glimpse of sun is a cherished surprise rather than an expectation.
In Rostov-na-Donu, daylight duration exhibits a distinct seasonal rhythm, peaking during the late spring and summer months. Starting at just 8 hours in December, the days grow longer as winter gives way to spring, with February offering a modest increase to 10 hours. March brings a hint of warmth and brighter days, reaching 11 hours of daylight. As the city transitions into April and May, daylight stretches to a generous 13 and 15 hours, respectively, maximising in the early summer months of June and July. However, as summer wanes, the daylight gradually retreats; by August, daylight slips to 14 hours, followed by a steady decline through the autumn months, culminating again in December with 8 hours of daylight. This cyclical pattern not only marks the passage of time but also showcases the beauty of seasonal change in this vibrant region.
As December arrives in Rostov-na-Donu, a notable shift in wind patterns can be observed, with average wind speeds reaching 4.0 m/s (9 mph). This slight uptick from the preceding months reflects a trend of increasing windiness as the year draws to a close. Notably, while summer months like July and August experience calmer breezes, the wind picks up again in the fall, peaking in October before stabilizing in November and December. The overall progression indicates a seasonal rhythm, where winter's arrival prompts a briskness in the air, invigorating the city's atmosphere as it transitions into the new year.
Weather in Rostov-na-Donu varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Rostov-na-Donu, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January exhibit notable differences in weather patterns. In December, temperatures range from a minimum of -16°C (3°F) to a maximum of 14°C (57°F), with an average temperature of 1°C (34°F). The month experiences 57 mm (2.3 in) of precipitation over nine days and high humidity levels at 90%. In contrast, January is colder, with temperatures dipping to a minimum of -27°C (-15°F) and an average of -1°C (30°F), peaking at 10°C (51°F). This month sees slightly less precipitation at 46 mm (1.8 in) over the same number of days, while humidity decreases to 86%. For further insights, you can visit Rostov-na-Donu weather in January.
December and February exhibit notable differences in their weather patterns. In December, temperatures range from a chilly -16°C (3°F) at night to a milder max of 14°C (57°F) during the day, with an average sitting at 1°C (34°F). Precipitation is fairly consistent, with 57 mm (2.3 in) falling over about 9 days, and humidity levels around 90%. In contrast, February tends to be colder, with nighttime lows dropping to -21°C (-5°F) and daytime highs reaching 18°C (65°F), averaging at 0°C (32°F). Precipitation remains similar at 52 mm (2.1 in) over 9 days, while humidity slightly decreases to 89%. For a detailed look at the February weather, you can visit Rostov-na-Donu weather in February.
In December, temperatures in Rostov-na-Donu typically range from a chilly -16°C (3°F) to a mild 14°C (57°F), with an average of around 1°C (34°F). The month experiences approximately 57 mm (2.3 in) of precipitation over 9 days, and humidity remains high at 90%. In contrast, March sees slightly warmer temperatures, with minimums around -14°C (7°F) and maximums reaching up to 22°C (73°F), averaging at 4°C (39°F). Precipitation decreases to 49 mm (1.9 in) across 12 days, while humidity also drops to 81%. Overall, March marks a transition towards spring with milder temperatures and slightly reduced rainfall compared to the colder, wetter December. For more details, you can check Rostov-na-Donu weather in March.
In December, the weather is significantly colder, with temperatures ranging from a frigid -16°C (3°F) at night to a mild 14°C (57°F) during the day, creating an average temperature of just 1°C (34°F). The high humidity at 90% contributes to a chilly atmosphere, while precipitation totals around 57 mm (2.3 in) over roughly 9 days. In contrast, April brings a noticeable warming trend, with minimum temperatures dropping to -5°C (24°F) and maximums reaching a comfortable 27°C (82°F), leading to an average of 11°C (52°F). Precipitation decreases slightly to 44 mm (1.7 in) over 8 days, and humidity drops to a more comfortable 69%. For a detailed look at the weather during this month, visit Rostov-na-Donu weather in April.
December and May present a striking contrast in weather patterns. In December, temperatures can drop as low as -16°C (3°F), with an average around 1°C (34°F) and a maximum reaching 14°C (57°F). The month is marked by high humidity at 90% and about 57 mm (2.3 in) of precipitation spread across 9 days. In comparison, May experiences a much milder climate, with minimum temperatures of 3°C (37°F) and an average of 17°C (63°F), peaking at 31°C (89°F). Although May sees slightly more precipitation at 63 mm (2.5 in) over 10 days, the humidity is considerably lower at 62%. For more details on May weather, you can check this link: Rostov-na-Donu weather in May.
December and June present starkly contrasting weather conditions. In December, temperatures can drop as low as -16°C (3°F), with an average around 1°C (34°F) and a maximum of 14°C (57°F). The month experiences significant humidity at 90% and a total precipitation of 57 mm (2.3 in) over about 9 days. In contrast, June boasts much milder temperatures, with a minimum of 8°C (46°F), an average of 23°C (73°F), and a maximum reaching up to 37°C (99°F). With lower humidity at 62% and only 5 days of precipitation totaling 46 mm (1.8 in), June feels considerably warmer and drier. For more details about the weather in June, check out Rostov-na-Donu weather in June.
December and July present a stark contrast in weather conditions. In December, temperatures can plummet to a minimum of -16°C (3°F), with an average temperature around 1°C (34°F) and a maximum reaching 14°C (57°F). The month sees considerable precipitation of 57 mm (2.3 in) over approximately 9 days, along with high humidity levels at 90%. In contrast, July boasts much warmer weather, with temperatures ranging from a minimum of 12°C (54°F) to an average of 25°C (77°F) and maximums soaring up to 39°C (103°F). This summer month experiences less precipitation, totaling 41 mm (1.6 in) over just 7 days and distinctly lower humidity at 48%. For a deeper look into the specifics of July weather, you can visit Rostov-na-Donu weather in July.
In December, temperatures in Rostov-na-Donu can drop significantly, with a minimum reaching -16°C (3°F) and an average of around 1°C (34°F); the month is characterized by high humidity at 90% and about 57 mm (2.3 in) of precipitation spread over 9 days. In contrast, August offers a much milder climate, with minimum temperatures around 9°C (48°F) and highs soaring to 38°C (102°F). The average August temperature is a warm 24°C (76°F), with significantly lower humidity at 38% and only 19 mm (0.8 in) of rain occurring over just 4 days. For more details, check out Rostov-na-Donu weather in August.
December and September present stark contrasts in weather conditions. In December, temperatures can drop to a frigid minimum of -16°C (3°F) and hover around an average of 1°C (34°F), with a maximum of 14°C (57°F). The month experiences higher precipitation, totaling 57 mm (2.3 in) over about 9 days, combined with a high humidity level of 90%. In sharp contrast, September enjoys a milder climate with temperatures ranging from a minimum of 3°C (37°F) to a warm average of 19°C (66°F) and can peak at a hot 35°C (95°F). Precipitation is significantly lower at 22 mm (0.9 in) across just 4 days, accompanied by a more comfortable humidity of 50%. For those interested in exploring the weather specifics, you can find more about it here: Rostov-na-Donu weather in September.
December weather presents a stark contrast to October, with significantly colder temperatures and higher humidity. In December, average temperatures hover around 1°C (34°F), with a minimum dipping to -16°C (3°F) and a maximum reaching 14°C (57°F). This month also experiences increased precipitation, totaling 57 mm (2.3 in) over approximately 9 days, contributing to a humid environment at 90%.
In comparison, October boasts a milder climate, with average temperatures around 12°C (54°F) and a maximum of 27°C (80°F). Precipitation is lighter, totaling only 25 mm (1.0 in) over about 5 days, and the humidity is lower at 70%. This means that while December brings colder and wetter conditions, October offers a more temperate and pleasant atmosphere. For more details on October weather, you can visit Rostov-na-Donu weather in October.
In December, temperatures drop significantly compared to November, with a minimum of -16°C (3°F) and an average of 1°C (34°F), while November features milder conditions with a minimum of -11°C (12°F) and an average of 4°C (39°F). Additionally, December experiences more precipitation, totaling 57 mm (2.3 in) over 9 days, in contrast to November's 38 mm (1.5 in) over just 7 days. Humidity remains high in both months, with December at 90% and November slightly lower at 87%. For a closer look at the specific conditions in November, check out Rostov-na-Donu weather in November.
December in Rostov-na-Donu marks a significant transition from the milder autumn months, as the temperatures drop notably, often flirting with freezing conditions. This month typically brings a brisk chill, with averages hovering around 1°C, while the maximum temperatures seldom reach the highs of previous months. With precipitation recorded over about nine days, the humidity level remains high at 90%, creating a damp atmosphere that contrasts sharply with the drier months of late summer. As the city prepares for winter, December sets the stage for a cozy yet crisp season. For a deeper understanding of the city’s overall weather patterns, you can explore the Rostov-na-Donu Climate.