Last updated: August 28, 2025
In Altay, Mongolia, October brings a notable shift in weather, characterized by a range of temperatures from a maximum of 18°C (65°F) to a minimum of -23°C (-9°F). The average temperature hovers around -2°C (28°F), setting the stage for chilly days ahead. Rainfall reaches 20 mm (0.8 in) over approximately 6 days, contributing to an overall humidity level of 80%, which can make the crisp air feel even cooler. This mix of brisk temperatures and occasional precipitation makes October a month of dynamic weather, ideal for those who appreciate the transition into the winter season.
In October, Altay, Mongolia, showcases the transition into the chill of autumn, with temperatures taking a noticeable dip. The month begins with a minimum temperature of -23°C (-9°F), contrasting sharply with the warmth of summer months. Average temperatures hover around -2°C (28°F), marking an important shift as the region prepares for the harsh winter ahead. The maximum temperatures peak at a mild 18°C (65°F), illustrating the last hurrah of warmth before colder months ensue. This pattern of decreasing warmth is a hallmark of Altay's climate, setting the stage for the impending bite of winter and reminding residents of the stark temperature swings that define this rugged landscape.
In October, Altay, Mongolia experiences a noticeable shift in precipitation patterns, with an average rainfall of 20 mm (0.8 in) spread over six days. This marks a slight decline from the wetter months of August and July, yet it remains a pivotal transition period as the region prepares for the colder months ahead. The autumn arrival brings a refreshing change from the summer downpours, highlighting how the landscape shifts from its lush summer hues to a more muted palette as precipitation decreases. This trend reflects the gradual drying out of the region as it heads towards winter, emphasizing the distinct seasonal variations that define Altay's climate.
As October arrives in Altay, Mongolia, the humidity levels experience a notable rise, reaching 80%, a significant increase from the drier summer months. This shift signals the onset of autumn, as the air begins to reclaim moisture lost during the warmer season. Following the peak of summer, when humidity hovered around 60-67%, October serves as a transitional phase towards the winter season, which brings even higher humidity levels, peaking at 96% in December. This gradual increase in humidity from 71% in September not only indicates the cooling temperatures but also prepares the landscape for the upcoming winter chill, wrapping Altay in a blanket of moisture as the year draws to a close.
As October arrives in Altay, Mongolia, the UV Index reflects a noticeable shift, dipping to a moderate level of 4. This marks a transition from the intense summer months, where the UV Index peaked at an extreme 9 during May through July, requiring only 15 minutes of exposure before risk of sunburn. In contrast, September offered a high 6, signifying a gradual decrease in sun intensity. October’s 30-minute burn time suggests a more forgiving sun, making it a suitable month for outdoor activities, though caution is still advised. As winter approaches, the UV Index will continue to descend, ultimately falling to a low 1 by December. For further insights on daily UV levels, check out Altay UV Index.
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As October unfolds in Altay, Mongolia, the region is graced with 312 hours of sunshine, marking a significant contrast to the winter months ahead. Following the peak summer months, July and June, which bask in nearly 400 hours of sunlight, October indicates a subtle decline, yet remains brighter than the earlier months of the year. This fall transition reflects a natural rhythm, where sunshine hours gradually decrease from the vibrant energy of summer, but still offer a warm embrace before winter's arrival. With longer days in May and June shining brightly, October acts as a gentle reminder of nature's ever-changing canvas, providing a picturesque setting for those exploring the breathtaking landscapes of Mongolia.
In October, Altay, Mongolia, enjoys a promising 66% chance of sunny weather, making it one of the sunnier months of the year. This notable increase follows the trend from September, which already boasts a healthy 62% sunshine probability. As the seasons transition from the warmer months, the likelihood of bright, sunny days tends to dip in the subsequent months, with November seeing a 58% chance. The consistent rise in sunny days during October suggests an ideal time for outdoor activities and exploration in this scenic region, allowing visitors and locals alike to bask in the beautiful autumn landscapes.
In Altay, Mongolia, October marks a notable transition as daylight begins to wane, with the sun gracing the skies for approximately 10 hours each day. This reduction follows a vibrant summer peak in June, where daylight reaches an impressive 16 hours, providing long, sun-soaked days perfect for exploration. As autumn sets in, the gradual decrease in daylight hours is evident, mirroring the rhythmic shift from the lush greens of summer to the crisp, colorful foliage of fall. Compared to the brighter months of May and June, October signals the onset of shorter, cooler days, as the region prepares to embrace the quieter stillness of winter ahead, where daylight dwindles further to just 8 hours by December.
In October, the winds in Altay, Mongolia whisper a gentle farewell to the active breezes of summer, settling at an average speed of 2.0 m/s (4 mph). This slight dip reflects a broader trend observed throughout the year, where the wind speed tends to peak in May at 3.4 m/s (8 mph) before gradually declining. The transition into autumn brings calmer days, as the region's winds decrease, providing a serene backdrop for the stunning fall foliage. As temperatures drop and the vibrant colors of nature begin to fade, October's winds embrace a quieter rhythm, reminiscent of the tranquil beauty that marks the onset of winter.
Weather in Altay varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Altay, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present stark contrasts in weather conditions. In October, temperatures fluctuate significantly, ranging from a minimum of -23°C (-9°F) to a pleasant maximum of 18°C (65°F), with an average temperature around -2°C (28°F). The month sees moderate precipitation, averaging 20 mm (0.8 in) over approximately six days, accompanied by a humidity level of 80%. In contrast, January experiences far colder temperatures, with a chilling minimum of -46°C (-50°F) and an average of -27°C (-16°F). The maximum temperature hovers around -8°C (18°F), and precipitation is minimal, totaling just 5 mm (0.2 in) over only one day, while humidity rises to a high of 95%. For more details on January weather, you can check Altay weather in January.
October and February present vastly different weather conditions. In October, temperatures range from a brisk minimum of -23°C (-9°F) to a mild maximum of 18°C (65°F), with an average of -2°C (28°F). The month sees about 20 mm (0.8 in) of precipitation over six days, accompanied by a humidity level of 80%. In contrast, February is much colder, with temperatures plummeting to a minimum of -42°C (-43°F) and an average of -22°C (-7°F), only reaching a maximum of 1°C (33°F). Precipitation drops significantly to 6 mm (0.3 in) over just two days, while humidity rises slightly to 90%. For more details on February’s weather, visit Altay weather in February.
In comparing October and March weather, October presents a more moderate climate with temperatures ranging from a chilly -23°C (-9°F) to a mild maximum of 18°C (65°F), averaging around -2°C (28°F). The month experiences a total precipitation of 20 mm (0.8 in) over roughly six days, combined with a humidity level of 80%. In contrast, March is significantly colder, with temperatures varying from a minimum of -35°C (-31°F) to a maximum of 8°C (47°F) and an average temperature of -11°C (12°F). It sees less precipitation at 10 mm (0.4 in) across three days but features slightly higher humidity at 84%. For further details, you can explore Altay weather in March.
In comparing the weather of October and April, both months experience similar minimum temperatures, with lows around -23°C (-9°F for October and -10°F for April). However, April generally has a higher average and maximum temperature, with averages of 1°C (34°F) compared to October's -2°C (28°F), and highs peaking at 24°C (75°F) in April versus 18°C (65°F) in October. Precipitation is also similar, with October receiving 20 mm (0.8 in) over 6 days and April a little less at 19 mm (0.7 in) across 5 days. Humidity remains relatively high in both months, with October at 80% and April at 76%. For more detailed insights about April weather, you can visit Altay weather in April.
October and May present striking contrasts in weather conditions. In October, temperatures can dip as low as -23°C (-9°F), with an average temperature of -2°C (28°F) and a maximum of 18°C (65°F). The month sees about 20 mm (0.8 in) of precipitation over approximately 6 days, accompanied by a high humidity level of 80%. In contrast, May experiences milder weather, with minimum temperatures around -10°C (15°F), an average of 9°C (48°F), and a maximum reaching 28°C (82°F). Precipitation increases slightly to 28 mm (1.1 in) over 8 days, but humidity drops to a more comfortable 63%. For more detailed insights, check Altay weather in May.
When comparing the weather in October and June, it’s evident that these two months present contrasting climates. In October, temperatures range significantly from a chilly minimum of -23°C (-9°F) to a mild maximum of 18°C (65°F), with an average temperature around -2°C (28°F). The month also experiences about 20 mm (0.8 in) of precipitation over six days, accompanied by high humidity levels at 80%.
In contrast, June offers a much warmer environment with temperatures ranging from a minimum of -2°C (29°F) to a balmy maximum of 31°C (88°F), averaging around 15°C (59°F). The precipitation is notably higher at 43 mm (1.7 in), falling over nine days, and the humidity is lower at 60%. For a deeper understanding of the specific weather conditions in June, you can refer to Altay weather in June.
October and July exhibit stark contrasts in weather conditions. In October, temperatures can drop to a chilling -23°C (-9°F), with an average of -2°C (28°F) and a maximum of only 18°C (65°F). The month sees a total precipitation of 20 mm over about 6 days, coupled with a relatively high humidity of 80%. In contrast, July boasts much warmer temperatures, with a minimum of 3°C (38°F), an average of 17°C (63°F), and soaring up to 31°C (87°F) at its peak. Additionally, July experiences greater rainfall, totaling 68 mm across 12 days, but with a lower humidity of 65%. For more insights on July weather, visit Altay weather in July.
In comparing the weather between October and August, the contrast is quite striking. October features colder temperatures, with a minimum of -23°C (-9°F) and an average of -2°C (28°F), while August enjoys warmer conditions, ranging from a minimum of 1°C (34°F) to a maximum of 32°C (89°F) and an average of 15°C (58°F). Precipitation is also markedly different; October sees only 20 mm (0.8 in) of rain spread across six days, compared to August's 79 mm (3.1 in) over eleven days. Moreover, October has higher humidity levels at 80%, whereas August maintains a relatively lower humidity of 67%. For a more detailed look at August weather, please refer to Altay weather in August.
In comparing the weather of October and September, we observe a notable shift in temperature and precipitation. September experiences a wider temperature range, with minimums of -13°C (9°F) and maximums reaching 29°C (84°F), yielding an average of 8°C (47°F). In contrast, October sees significantly cooler temperatures, with a minimum of -23°C (-9°F) and a maximum of 18°C (65°F), resulting in an average temperature of -2°C (28°F). Although September has slightly more precipitation at 29 mm (1.2 in), October's humidity level is higher at 80%, compared to September's 71%. For those interested in a more detailed look at weather patterns in September, you can find additional information here: Altay weather in September.
In October, the weather is quite mild, with average temperatures hovering around -2°C (28°F) and highs reaching up to 18°C (65°F). The month experiences about 20 mm (0.8 in) of precipitation over six days, with an 80% humidity level. In contrast, November brings much colder temperatures, with an average of -16°C (4°F) and a chilling minimum of -39°C (-38°F). Precipitation decreases to 12 mm (0.5 in) over just four days, while humidity rises to 92%, indicating a more frigid atmosphere. For more detailed information on the conditions in November, check out Altay weather in November.
In October, the weather in Altay experiences a wider range of temperatures, with a minimum of -23°C (-9°F) and a maximum of 18°C (65°F), providing an average temperature of -2°C (28°F). The region sees about 20 mm (0.8 in) of precipitation over approximately six days, accompanied by a humidity level of around 80%. In contrast, December brings much harsher conditions, with temperatures plummeting to a minimum of -45°C (-48°F) and an average dropping significantly to -26°C (-14°F). The maximum temperature barely reaches -4°C (25°F), and precipitation decreases to just 7 mm (0.3 in) over only two days, coupled with a high humidity of 96%. This stark contrast highlights the depth of winter that December ushers in. For more detailed information on the December weather in Altay, visit Altay weather in December.
As October unfolds in Altay, the weather shifts dramatically from the earlier months of the year. The crisp air brings cooler temperatures, with stark contrasts between sunny days and frosty nights that set the stage for winter ahead. Unlike the warmer summer months, October experiences increased precipitation, with several damp days adding to the chilly atmosphere, while humidity levels rise, creating a distinct feel in the air. This transitional month serves as a reminder of the approaching cold season, making it a unique time to experience the evolving beauty of Altay. For more insights on what to expect throughout the year, visit Altay Climate.