Last updated: August 28, 2025
In Altay, Mongolia, December plunges into a bitterly cold embrace, with average temperatures hovering around -26°C (-14°F) and a striking minimum reaching as low as -45°C (-48°F). Despite the harsh conditions, the region experiences a modest precipitation of 7 mm (0.3 in) over just two days, contributing to the landscape's unique winter charm. The air is laden with 96% humidity, adding to the crispness of the season. This month paints a vivid picture of Mongolia’s severe winter, where resilience and beauty intertwine in the frosty expanse.
In December, Altay, Mongolia, plunges into frigid temperatures, with a minimum of -45°C (-48°F) and an average clocking in at -26°C (-14°F). This month marks one of the coldest points of the year, characterized by chilling winds and frosty landscapes. The maximum temperature barely climbs above -4°C (25°F), setting the stage for a stark contrast with the milder months that precede it. As December unfolds, the biting cold is a reminder of Altay’s harsh winter, where layers of clothing and warm shelters become essential. Despite the shivering temperatures, this frosty embrace creates a unique winter wonderland, enchanting those who venture into its snowy embrace.
In December, Altay, Mongolia experiences a modest drop in precipitation, with 7 mm (0.3 in) recorded, marking a transition into the colder months. This represents a slight increase compared to the previous month, November, which saw only 12 mm (0.5 in). Notably, December features only two days of rain, illustrating the trend towards drier winter conditions that typically characterize this region. As the year comes to a close, monthly precipitation consistently trends downward from the vibrant summer months, signaling the onset of long and frosty winters, where snow often replaces rain in the following months.
In December, Altay, Mongolia, experiences a notable peak in humidity at 96%, marking one of the year's most moisture-laden months. This sharp rise follows a gradual increase from the drier days of summer, where humidity hovered around 60% to 67% in June and July. As the colder months approach, humidity steadily ascends, climbing to 92% in November before reaching its December high. This consistent uptick highlights the transition from the relatively crisp autumn to the damp chill of winter, encapsulating the region's unique climatic rhythm. As the year draws to a close, residents and visitors alike can expect a pervasive sense of moisture in the air, underscoring Altay's stark winter landscape.
In Altay, Mongolia, the UV Index reflects a notable seasonal trend, starting from a low of 1 in December, where exposure is minimal with a burn time of 45 minutes. This low index at the close of the year sets the stage for a gradual increase in UV intensity as winter transitions to spring. Throughout the early months, the index rises to a moderate level of 3 by February, then reaches a peak of 9 during the sizzling summer months of May to July, indicating very high exposure, with burn times diminishing to just 15 minutes. As autumn approaches, the UV Index begins a downward shift, settling at 2 in November, before hitting the lowest mark again in December. This cyclical pattern reveals the importance of staying UV-aware year-round. For more detailed information, visit Altay UV Index.
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December in Altay, Mongolia, marks a transition as sunlight begins its descent towards the year's end, offering 240 hours of daylight. While this may seem modest compared to the sunlit peaks of summer, it reflects a consistent downward trend that starts in November with 251 hours. The months leading up to December showcase a gradual increase in sunlight, peaking in June and July with nearly 392 hours each, a stark contrast to the shorter winter days. As the seasons shift, December's daylight serves as a gentle reminder of the cycle of nature, where the promise of longer days lies just beyond the horizon.
As December unfolds in Altay, Mongolia, the likelihood of sunny weather stands at 54%, reflecting a notable trend as the year winds down. Following the stronger sunny days of autumn, which peak in October at 66%, December sees a slight dip but remains relatively bright compared to the preceding months. With November still holding a 58% chance, this early winter month offers a balanced blend of sunshine and the crisp chill that defines the season. Notably, December's figures suggest that while sunshine may not dominate the weather, there are still ample opportunities for clear skies as the year concludes, hinting at the beautiful, stark landscapes that come alive under the winter sun.
In Altay, Mongolia, the daylight duration exhibits a distinct seasonal pattern that captures the essence of the region’s climatic transitions. Starting the year in January with a modest 8 hours of daylight, the days gradually elongate, reaching 10 hours by February and peaking at an impressive 16 hours in June. This period of extended daylight facilitates the vibrant natural beauty of summer. As the year progresses, however, daylight begins to wane, with hours dropping back to 15 in July and 14 in August, signaling the onset of autumn. By September, daylight declines further to 12 hours, and as winter sets in, November brings only 9 hours of sunlight, culminating in a return to 8 hours by December. This cyclical rhythm showcases the stark contrasts of light and shadow that define life in Altay, inviting residents and visitors alike to embrace the changing seasons.
As December settles over Altay, Mongolia, the winds begin to whisper softly, with an average speed of 2.0 m/s (4 mph). This gentle breeze marks a subtle shift from the more robust winds of spring and early summer, where speeds climbed as high as 3.4 m/s (8 mph) in May. Throughout the year, wind patterns show a gradual increase during the warmer months, peaking in the early summer before tapering down toward winter. Notably, December's winds mirror those of January, creating a tranquil and peaceful atmosphere as the year draws to a close. This cyclical dance of wind patterns reflects the region's unique climate, where the bite of winter arrives, yet the breezes remain mild, inviting moments of introspection amid Mongolia's serene landscapes.
Weather in Altay varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Altay, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather tends to be slightly milder than in January, with average temperatures reaching -26°C (-14°F) compared to January's average of -27°C (-16°F). December also experiences a maximum temperature of -4°C (25°F), while January's peak is a frigid -8°C (18°F). Precipitation is minimal in both months, with December receiving 7 mm (0.3 in) over 2 days, while January records only 5 mm (0.2 in) over just 1 day. Humidity remains high throughout both months, at 96% in December and slightly lower at 95% in January. For a detailed look at January conditions, refer to Altay weather in January.
In comparing the weather between December and February, we see notable differences in temperatures and overall conditions. December experiences a chilling minimum of -45°C (-48°F) and an average of -26°C (-14°F), while February enjoys slightly milder temperatures, with a minimum of -42°C (-43°F) and an average of -22°C (-7°F). However, February does bring a max temperature of 1°C (33°F), in contrast to December's maximum of -4°C (25°F). Precipitation remains similar in both months, with December receiving 7 mm (0.3 in) and February slightly less at 6 mm (0.3 in), both spread over two days. Humidity levels are also slightly lower in February at 90%, compared to a high of 96% in December. For more detailed insights into February's weather, you can visit Altay weather in February.
In December, the weather is significantly colder, with average temperatures around -26°C (-14°F) and a chilling minimum of -45°C (-48°F). The conditions are characterized by high humidity at 96% and minimal precipitation, averaging just 7 mm over 2 days. In contrast, March offers a more moderate climate, with temperatures ranging from a minimum of -35°C (-31°F) to a comfortable maximum of 8°C (47°F) and an average of -11°C (12°F). While March sees slightly more precipitation at 10 mm over 3 days, the humidity decreases to 84%. For those looking to learn more about March weather specifics, they can visit Altay weather in March.
The weather in December is characterized by extreme cold, with minimum temperatures plunging to -45°C (-48°F) and an average of -26°C (-14°F). The month sees minimal precipitation, totaling only 7 mm (0.3 in) over just 2 days, coupled with a high humidity of 96%, making it feel even colder. In stark contrast, April experiences a more moderate climate, with temperatures ranging from a minimum of -23°C (-10°F) to an average of 1°C (34°F) and peaking at 24°C (75°F). Precipitation increases to 19 mm (0.7 in) across 5 days, and humidity drops to 76%, creating a much more pleasant atmosphere. For more information, check out Altay weather in April.
December and May present strikingly different weather patterns. In December, temperatures plummet to a minimum of -45°C (-48°F) and average around -26°C (-14°F), making it one of the coldest months of the year, while only experiencing slight precipitation of 7 mm over two days and high humidity at 96%. In contrast, May brings a significant warming trend, with temperatures ranging from a minimum of -10°C (15°F) to a pleasant maximum of 28°C (82°F), and averaging 9°C (48°F). This month also sees increased precipitation, totaling 28 mm over eight days, with lower humidity at 63%. To explore more about weather conditions in May, you can check Altay weather in May.
The weather in December is characterized by extreme cold, with temperatures plummeting to a minimum of -45°C (-48°F) and averaging around -26°C (-14°F). In contrast, June offers a much milder climate, showcasing temperatures that range from a minimum of -2°C (29°F) to a maximum of 31°C (88°F), making it significantly warmer overall. Precipitation is also more frequent in June, with about 43 mm (1.7 in) over nine days compared to just 7 mm (0.3 in) across two days in December. Additionally, the humidity level in December is quite high at 96%, while June sees a more comfortable humidity of 60%. For a closer look at June's weather conditions, visit Altay weather in June.
December and July present a striking contrast in weather conditions. December experiences frigid temperatures, ranging from a bone-chilling minimum of -45°C (-48°F) to a maximum of -4°C (25°F), and is accompanied by high humidity at 96%. Precipitation is minimal, occurring on only 2 days, with just 7 mm (0.3 in) recorded. In contrast, July brings a much milder climate, with temperatures varying from a comfortable minimum of 3°C (38°F) to a warm maximum of 31°C (87°F) and an average of 17°C (63°F). This month sees significantly higher precipitation, totaling 68 mm (2.7 in) over 12 days, and the humidity is lower at 65%. For more detailed information about July weather, you can check Altay weather in July.
December and August present starkly contrasting weather conditions. In December, temperatures plunge to an average of -26°C (-14°F), with nighttime lows reaching as low as -45°C (-48°F), making it one of the coldest months of the year. The humidity levels are notably high at 96%, yet the precipitation is minimal, averaging only 7 mm over just 2 days.
In contrast, August brings warmth and vitality, with average temperatures climbing to a comfortable 15°C (58°F) and highs reaching up to 32°C (89°F). This month sees considerably more precipitation, totaling 79 mm across approximately 11 days, and the humidity drops to 67%. For a more detailed look at August in the Altay region, you can check out Altay weather in August.
Comparing the weather between December and September reveals two starkly different climates. December experiences frigid temperatures, with minimums plummeting to -45°C (-48°F) and an average of -26°C (-14°F), while September showcases a much milder environment, where temperatures range from a minimum of -13°C (9°F) to a maximum of 29°C (84°F). Humidity in December is notably high at 96%, contributing to the chill, whereas September maintains a lower humidity level of 71% and significantly more precipitation, with 29 mm (1.2 in) over six days compared to just 7 mm (0.3 in) across two days in December. For more details on the weather conditions during September, you can check Altay weather in September.
December weather is significantly colder than October, with average temperatures plunging to -26°C (-14°F), compared to October's milder average of -2°C (28°F). While December sees a maximum temperature of just -4°C (25°F), October enjoys highs reaching up to 18°C (65°F). Precipitation also differs, with December receiving only 7 mm over 2 days, whereas October experiences a higher total of 20 mm over 6 days. Additionally, December's humidity is quite high at 96%, in contrast to October's more moderate level of 80%. For more detailed insights into October's weather, you can visit Altay weather in October.
In comparing the weather of December and November, December is notably colder, with average temperatures plunging to -26°C (-14°F) compared to November's average of -16°C (4°F). The minimum temperatures in December reach an extreme low of -45°C (-48°F), while November's minimum is slightly milder at -39°C (-38°F). Precipitation also varies, with December experiencing less moisture overall at 7 mm (0.3 in) over just 2 days, compared to November's 12 mm (0.5 in) spread over 4 days. Additionally, December's humidity is slightly higher at 96%, compared to November’s 92%. For a more detailed look at November weather, you can visit Altay weather in November.
In December, Altay experiences a dramatic drop in temperatures, making it one of the coldest months of the year. With the average temperature hovering around -26°C (-14°F) and occasional extremes plunging to a frigid -45°C (-48°F), the winter chill is unmistakable. This month is also characterized by high humidity levels, lingering around 96%, which can amplify the cold's bite. Unlike other months, snowfall is modest, with only a couple of days seeing precipitation, contributing to a stark and serene winter landscape. For a comprehensive overview of the weather patterns throughout the year, visit Altay Climate.