Last updated: August 28, 2025
Experience the bite of winter in Altai, Mongolia, where December showcases a dramatic temperature range with a maximum of 0°C (33°F) and a chilling minimum of -31°C (-24°F). The average temperature hovers around a brisk -15°C (5°F), making warm layers essential for outdoor activities. December is characterized by a minimal precipitation level of 4 mm (0.2 in) over just one day, granting a brief respite from snow. With humidity levels at an impressive 96%, the air feels damp and crisp, enhancing the wintery atmosphere of this stunning region. Whether admiring the snow-blanketed landscape or engaging in local festivities, December in Altai offers a uniquely serene and frosty experience.
In December, temperatures in Altai, Mongolia plunge into the deep chill of winter, showcasing a stark shift as the region braces for its coldest month. Minimum temperatures dip to a biting -31°C (-24°F), while average temperatures hover around -15°C (5°F), making everyday life a true test of endurance against the relentless cold. The maximum temperatures barely climb above freezing, capping out at 0°C (33°F). This trend of harsh winter conditions is consistent as December follows November's frosty embrace and sets the stage for the even colder January ahead. The freezing climate, marked by stark contrasts between the highs and lows, underscores Altai's status as one of Mongolia's coldest locales during the winter months.
In December, Altai, Mongolia experiences a notable reduction in precipitation, with only 4 mm (0.2 in) reported, marking a low point in the yearly cycle. This decline follows a peak in rainfall during the summer months, where August recorded 66 mm (2.6 in)—the wettest of the year. As the seasons shift, December sees just a single day of precipitation, contributing to a stark contrast from the preceding months when rain was more frequent. Overall, this pattern highlights the dry conditions typical of winter in the region, as Altai transitions from the abundant moisture of the warmer months to a more arid landscape, setting the stage for the cold, crisp days of winter.
In December, Altai, Mongolia experiences a notable spike in humidity at 96%, marking a significant shift from the dryer summer months. This increase follows a gradual rise from the lower humidity levels of 48% in June and July, peaking in November at 86%. As winter approaches, the air becomes noticeably more saturated, reminiscent of the nearly overwhelming moisture levels seen in January at 98%. This trend underscores the region's transition from the arid conditions of spring and summer to the more humid and chilly winter months, creating a distinct rhythm in Altai's climatic pattern.
As the year draws to a close, December in Altai, Mongolia, offers a welcome respite from the intensity of the summer sun. With a UV Index of 2, the exposure category is classified as low, allowing for a comfortable burn time of 45 minutes without significant risk. This trend of decreasing UV levels is reflective of the cooler months, following a peak in May and June where the UV Index soared to 10, indicating very high sun exposure dangers. As we transition from the scorching summer, the gradual decline ushers in a season where outdoor activities can be enjoyed with minimal concern for sunburn. For more detailed information about the year's UV Index trends, visit Altai UV Index.
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In Altai, Mongolia, December marks the transition into the winter season, bringing a significant reduction in sunshine hours, with 259 hours of daylight—the lowest of the year. This drop is part of a broader trend, where sunshine peaks during the warmer months, reaching its zenith in July with an impressive 398 hours. As the seasons progress from the sun-drenched days of May and June to the cooler depths of winter, there’s a gradual decline in sunlight, suggesting a rhythm of nature that embraces both light and shadow. Yet, even in December, the lingering glow of the sun continues to evoke a sense of warmth amid the chilly air, preparing the landscape for the snowy embrace of winter that lies ahead.
In December, Altai, Mongolia experiences a notable increase in sunny weather, boasting a 79% chance of sunshine—the highest probability for any month of the year. This trend follows a generally favorable pattern of increasing sunlight as the year closes, with November showing a respectable 70% chance. Interestingly, as temperatures drop and winter begins to settle in, December defies the seasonal norms by offering its residents and visitors more sun than the summer months of July and August, which see only 47% and 46% chances, respectively. This uplifting shift highlights December as a promising time for outdoor activities, soaking up the precious winter sun in the serene Altai landscape.
As December unfolds in Altai, Mongolia, daylight begins to wane, offering only 8 hours of light each day. This marks a gradual decline from the year’s peak in June and July, when the sun graced the sky for a generous 15 hours. The shift from the brightness of summer to the shorter, subdued days of winter is evident, as daylight gradually decreases from 14 hours in May to 10 hours in October. By the time December arrives, the trend of diminishing light settles in, creating a serene, tranquil atmosphere that characterizes the heart of winter in this stunning region. As the year transitions towards its end, the steady rhythm of daylight serves as a poignant reminder of nature's cycles, inviting reflection during the long, dark evenings.
As the year draws to a close, December in Altai, Mongolia brings a gentle breeze, with an average wind speed of 2.5 m/s (6 mph). This marks a subtle decrease from the windier months of late spring and early summer when speeds reached up to 4.1 m/s (9 mph) in May. Throughout the winter months, the wind tends to soften, settling into a rhythm that mirrors the serene landscapes covered in snow. Interestingly, the trend of wind speeds reveals a peak in April, followed by a gradual decline towards the year’s end. With December’s calm winds, this scenic region invites moments of reflection amidst the tranquil beauty of winter's embrace.
Weather in Altai varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Altai, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January present some of the coldest weather of the year, with January typically experiencing even chillier conditions. In December, temperatures range from a minimum of -31°C (-24°F) to a maximum of 0°C (33°F), with an average of -15°C (5°F) and a bit of precipitation at 4 mm (0.2 in) over just one day. January, however, sees even lower temperatures, with a minimum of -35°C (-30°F) and an average of -17°C (2°F), while the maximum barely reaches -2°C (29°F). Precipitation decreases to 3 mm (0.1 in) and occurs on no days in January, making it drier than December. The humidity remains high in both months, with January showing slightly higher levels at 98%. For more details on January weather conditions, visit Altai weather in January.
In December, temperatures plummet with a minimum of -31°C (-24°F) and an average of -15°C (5°F), while maxing out at 0°C (33°F). The month experiences very little precipitation, totaling just 4 mm (0.2 in) over one day, and the humidity lingers at a high 96%. In contrast, February sees slightly milder conditions, with temperatures ranging from a minimum of -27°C (-17°F) to an average of -13°C (10°F) and peaking at 6°C (43°F). Precipitation in February is slightly higher at 6 mm (0.2 in) over the same one day, accompanied by a slightly lower humidity of 94%. For more detailed insights, check out Altai weather in February.
In December, the weather is significantly colder, with minimum temperatures plunging to -31°C (-24°F) and an average of -15°C (5°F), while the maximum only reaches 0°C (33°F). The month sees very little precipitation, just 4 mm (0.2 in) over only one day, combined with high humidity at 96%. In contrast, March experiences a milder climate with minimum temperatures around -20°C (-4°F) and an average of -4°C (24°F), peaking at a more comfortable 13°C (56°F). Precipitation increases to 10 mm (0.4 in) over three days, and humidity is slightly lower at 88%. For more detailed information, you can view Altai weather in March.
In December, temperatures can plunge to a minimum of -31°C (-24°F), with an average of -15°C (5°F) and a maximum of 0°C (33°F). The month is marked by low precipitation, averaging just 4 mm over a single day, and high humidity at 96%, which can make the cold feel even more biting. In contrast, April brings a significant change in weather, with temperatures ranging from a minimum of -16°C (4°F) to a pleasant average of 3°C (38°F) and a maximum that can reach up to 22°C (72°F). Precipitation also increases during April, averaging 17 mm over four days, and humidity decreases to a more comfortable 74%. For a detailed look at what to expect in April, visit Altai weather in April.
In December, the weather is harsh and frigid, with temperatures plummeting as low as -31°C (-24°F) and averaging around -15°C (5°F). The maximum temperature only reaches 0°C (33°F), and with high humidity at 96%, the cold feels even more biting. There is minimal precipitation, with only a single day of light snowfall contributing to a total of 4 mm (0.2 in) for the month.
In contrast, May brings a much more temperate climate, with temperatures ranging from a minimum of -11°C (12°F) to a pleasant maximum of 24°C (76°F) and an average of 10°C (49°F). The month sees more rainfall, accumulating 19 mm (0.8 in) over about six days, and the humidity drops significantly to 50%, making the air feel noticeably fresher. For more detailed insights on weather patterns during this time, check out Altai weather in May.
December and June display stark contrasts in weather conditions. In December, temperatures can plunge as low as -31°C (-24°F), with an average of -15°C (5°F) and a maximum of 0°C (33°F). This month is characterized by high humidity at 96%, and minimal precipitation of just 4 mm (0.2 in) over a single day, resulting in a cold and crisp atmosphere.
In contrast, June brings a significant warm-up, with temperatures ranging from a minimum of -1°C (30°F) to a pleasant average of 15°C (60°F) and highs reaching 29°C (84°F). The humidity drops to 48%, and precipitation increases to 27 mm (1.1 in) spread over 8 days, contributing to a more vibrant and lively environment. For more detailed insights, you can explore Altai weather in June.
December and July present starkly contrasting weather conditions. December experiences extreme cold with minimum temperatures plunging to -31°C (-24°F) and an average of -15°C (5°F), while only seeing minimal precipitation of 4 mm (0.2 in) across just one day. The humidity level is high at 96%, contributing to a biting chill in the air. In contrast, July welcomes a much milder climate with minimum temperatures of 4°C (40°F), an average of 17°C (64°F), and maximums soaring to 31°C (87°F). This summer month is much wetter, with 42 mm (1.6 in) of precipitation spread over nine days and a significantly lower humidity of 49%. For a more detailed look into the weather patterns, check out Altai weather in July.
In December, the weather is characterized by extreme cold, with minimum temperatures dropping as low as -31°C (-24°F) and an average of -15°C (5°F). The maximum temperature barely reaches 0°C (33°F), and with a high humidity of 96%, the air feels particularly frigid. Precipitation is minimal, with only about 4 mm (0.2 in) occurring over just one day.
In contrast, August offers a much milder climate, with temperatures ranging from a minimum of 1°C (34°F) to a warm average of 15°C (59°F) and maximum readings of 27°C (82°F). This month experiences significantly more precipitation, totaling 66 mm (2.6 in) over around nine days, and a lower humidity of 54%. For more details about the August weather, you can visit Altai weather in August.
In December, the weather is harshly cold, with temperatures plummeting to a minimum of -31°C (-24°F) and an average of -15°C (5°F), making it a stark contrast to September, where temperatures range from a minimum of -7°C (19°F) to a maximum of 26°C (80°F), providing a much milder climate. Precipitation is minimal in December, with just 4 mm (0.2 in) falling over a day, compared to September's 19 mm (0.8 in) spread over four days, indicating a wetter month. Additionally, December's high humidity at 96% contrasts sharply with September's more comfortable 59%, highlighting the oppressive chill of winter versus the pleasantness of early autumn. For more details on September weather, you can check Altai weather in September.
In comparing December and October weather, December is significantly colder, with temperatures ranging from a frigid -31°C (-24°F) to a maximum of 0°C (33°F) and an average of -15°C (5°F). The month sees very little precipitation, only 4 mm (0.2 in) over just one day, accompanied by high humidity levels of 96%. In contrast, October experiences milder temperatures, with a minimum of -15°C (5°F), an average of 0°C (33°F), and a maximum reaching 19°C (66°F). Precipitation is also higher in October, totaling 10 mm (0.4 in) over four days, and humidity is notably lower at 67%. For those interested in more details, you can check out Altai weather in October.
In comparing the weather of December and November, December presents notably colder temperatures, with a stark minimum of -31°C (-24°F) compared to November's minimum of -25°C (-13°F). The average temperature in December is significantly lower at -15°C (5°F), while November boasts a milder average of -7°C (19°F). December also sees a maximum temperature capping at 0°C (33°F), whereas November reaches up to 11°C (53°F). Despite December having less total precipitation—only 4 mm (0.2 in) versus November's 7 mm (0.3 in)—the humidity remains higher in December at 96%, compared to November's 86%. For a more detailed look at the weather conditions in November, you can visit Altai weather in November.
As December settles over Altai, the landscape transforms under a blanket of stark beauty, characterized by bitterly cold temperatures that dip significantly compared to the milder months earlier in the year. With an average temperature of -15°C (5°F) and nights plunging to a chilling -31°C (-24°F), this month stands out as the coldest of the year. While precipitation remains minimal, the high humidity of 96% can make the cold feel even more penetrating. Such conditions usher in a wintery atmosphere that encourages both cozy indoor gatherings and outdoor adventures for the brave-hearted. For a deeper look into the seasonal climate patterns, visit Altai Climate.