Last updated: August 28, 2025
April in Altai, Mongolia offers a fascinating transition from winter to spring, with temperatures ranging from a minimum of -16°C (4°F) to a maximum of 22°C (72°F). The average temperature settles at a cool 3°C (38°F), making it a month of notable contrasts. Rainfall is relatively modest, accumulating to 17 mm (0.7 in) over 4 days, with a humidity level of 74% adding a refreshing edge to the crisp air. This month marks the awakening of the landscape, providing visitors with a unique experience of Mongolia's rugged beauty and rejuvenating atmosphere.
As April arrives in Altai, Mongolia, the landscape transforms with a steady rise in temperatures that signal the transition to spring. The month starts with minimums around -16°C (4°F) and reaches an inviting 22°C (72°F) at its peak. With an average temperature of 3°C (38°F), April marks a notable shift from the harsh winter months, where temperatures often plummeted to as low as -35°C (-30°F) in January. This warming trend not only brings more pleasant weather, but it also starts to awaken the region’s natural beauty, stirring the land back to life after the long, frigid season. The increasing warmth promotes budding flora and the return of animal activity, making April a captivating time to experience the rugged charm of Altai.
In April, Altai, Mongolia experiences a noticeable uptick in precipitation, with 17 mm (0.7 in) of rain falling over the course of 4 days. This marks a significant increase from the earlier months, as it more than doubles the precipitation seen in March, which had only 10 mm (0.4 in) over 3 days. The gradual rise in rainfall from January's mere 3 mm to April's level suggests that spring is firmly taking hold, paving the way for the wettest months ahead. As the weather warms, both the amount and frequency of precipitation will continue to increase, culminating in July and August, where the region sees its most generous downpours. April serves as a pivotal month in this transition, hinting at the lush landscapes that lie ahead.
April in Altai, Mongolia, marks a notable shift in humidity as the winter’s grip begins to ease. With humidity levels dropping to 74%, the region experiences a fresh breath of air compared to the preceding months, where figures hovered around a stifling 98% in January and 94% in February. This gradual decline continues into May, with humidity levels falling further to 50%, signaling the onset of a drier season. Such changes reflect a transition from the cold, moisture-laden winter months to a more temperate spring, ultimately paving the way for the warmer and drier summer ahead. The evolving humidity levels not only influence the local climate but also set the stage for the vibrant life that flourishes in the region as it moves toward summer.
April marks a significant shift in Altai, Mongolia's UV Index, soaring to 9 and categorized as very high. This sharp increase from March’s high index of 7 highlights the intensifying spring sun, reducing safe exposure time to just 15 minutes. As the season progresses, this trend continues into May and June, where the UV Index remains a striking 10, emphasizing the necessity of sun protection during these months. This pattern emphasizes the importance of staying vigilant against UV radiation as temperatures rise and outdoor activities become more frequent. To stay informed, check the latest updates on the Altai UV Index for safe sun practices.
UV Risk Categories
April ushers in a vibrant transformation in Altai, Mongolia, as sunshine begins to dominate the skies, offering 353 hours of golden rays—an increase from the previous months. Following March's 342 hours, the steady upward trend showcases the region's transition to warmer days and extended daylight. As spring blooms, May promises even more abundance with 385 hours of sunlight, peaking into summer where July shines the brightest at 398 hours. This gradual escalation not only invigorates the landscape but also invites locals and visitors alike to bask in the enriching glow of Altai's skies, making April a remarkable pivot point in the annual rhythm of light.
In Altai, Mongolia, the likelihood of sunny weather in April shows a modest 58% chance, reflecting a trend of gradually declining sunshine as spring unfolds. Following the comparatively brighter winter months of January and February, which boast chances as high as 68% and 70%, the sun starts to retreat slightly in March. With April's weather mirroring that of May, this slight dip continues, hinting at the transitional nature of the season. However, as the year advances into warmer months, sunny days return, peaking again by September with a remarkable 77% chance. Thus, while April may not promise abundant sunshine, it paves the way for the brighter days ahead.
As April arrives in Altai, Mongolia, the days grow noticeably longer, with daylight extending to a refreshing 13 hours. This increase of two hours from March signals the onset of spring, inviting residents and nature alike to embrace the warmer, sunnier days ahead. The trend continues into May, where daylight reaches 14 hours, and peaks in June with 15 hours, creating an atmosphere filled with vibrant activities and outdoor adventures. As the seasons progress, daylight gradually begins to wane, highlighting the transient beauty of spring and summer in this picturesque region.
In April, the winds of Altai, Mongolia begin to stir with a noticeable increase, averaging 3.4 m/s (8 mph), a subtle yet invigorating breeze that heralds the transition into spring. This uptick in wind speed marks a shift from the gradual rise seen in the preceding months, where the wind remained relatively calm during the winter's grasp. As temperatures gradually warm up, April's winds serve as a reminder of nature's awakening, paving the way for a more dynamic weather pattern that continues into May, when gusts peak at 4.1 m/s (9 mph). This lively wind not only refreshes the landscape but also invites the vibrant energy of a new season, indicating the promise of growth and renewal that accompanies the spring months in this breathtaking region.
Weather in Altai varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Altai, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January weather in Altai present a striking contrast in temperature and precipitation. In January, temperatures plummet with a minimum of -35°C (-30°F) and an average of -17°C (2°F), while April experiences a much milder range with a minimum of -16°C (4°F) and an average of 3°C (38°F). Precipitation is quite low in January, with only 3 mm (0.1 in) falling over the course of the month, completely dry for many days, whereas April sees slightly more rain at 17 mm (0.7 in) over four days. Additionally, the humidity is notably higher in January at 98%, compared to 74% in April, emphasizing the chill of mid-winter. For more details, you can explore Altai weather in January.
April and February present distinctly different weather patterns. In April, temperatures show a marked increase, ranging from a chilly minimum of -16°C (4°F) to a more comfortable maximum of 22°C (72°F), with an average of 3°C (38°F). This month sees moderate precipitation of 17 mm (0.7 in) over four days, accompanied by a humidity level of 74%. In contrast, February is characterized by colder conditions, with temperatures dipping to a minimum of -27°C (-17°F) and averaging -13°C (10°F), peaking at just 6°C (43°F). Precipitation is minimal in February, totaling only 6 mm (0.2 in) over one day, but humidity is notably high at 94%. For more detailed insights into February weather, visit Altai weather in February.
In comparing the weather between March and April, there's a notable shift towards milder conditions in April. While March experienced colder temperatures with a minimum of -20°C (-4°F) and an average of -4°C (24°F), April's weather sees a significant rise, with temperatures ranging from a minimum of -16°C (4°F) to a maximum of 22°C (72°F). Additionally, April has slightly more precipitation at 17 mm (0.7 in) over four days, compared to March's 10 mm (0.4 in) over three days. Humidity levels are also lower in April at 74%, as opposed to the higher 88% seen in March. For a detailed look at conditions during March, you can visit Altai weather in March.
April and May show a noticeable transition in weather conditions as spring unfolds. In April, temperatures range from a chilling minimum of -16°C (4°F) to a mild maximum of 22°C (72°F), with an average around 3°C (38°F). The month experiences about 17 mm (0.7 in) of precipitation over four days, accompanied by relatively high humidity at 74%. Conversely, May brings warmer temperatures, with a minimum of -11°C (12°F) and a maximum of 24°C (76°F), leading to a more pleasant average of 10°C (49°F). Although precipitation increases slightly to 19 mm (0.8 in) over six days, the humidity drops to a more comfortable 50%, signaling a shift towards drier conditions. For more detailed insights into May weather, visit Altai weather in May.
April and June exhibit contrasting weather patterns, reflecting the transition from early spring to early summer. In April, temperatures range from a chilly minimum of -16°C (4°F) to a moderately warm maximum of 22°C (72°F), with an average of 3°C (38°F). The month sees limited precipitation of 17 mm (0.7 in) over 4 days, accompanied by relatively high humidity at 74%. In contrast, June brings warmer conditions with a minimum of -1°C (30°F) and a maximum of 29°C (84°F), boasting an average temperature of 15°C (60°F). While June experiences more precipitation, totaling 27 mm (1.1 in) over 8 days, it also features lower humidity at 48%. For more detailed insights about June weather in Altai, you can visit Altai weather in June.
In comparing the weather between April and July, notable differences emerge. April experiences cooler temperatures, with a minimum of -16°C (4°F) and an average of 3°C (38°F), while July boasts much warmer conditions, featuring a minimum of 4°C (40°F) and an average temperature of 17°C (64°F). Additionally, July reaches a maximum of 31°C (87°F), significantly higher than April’s maximum of 22°C (72°F). Precipitation also varies, with April receiving 17 mm (0.7 in) over four days and July seeing increased rainfall of 42 mm (1.6 in) across nine days, accompanied by lower humidity levels in July at 49% compared to April's 74%. For more details, you can check Altai weather in July.
April and August present contrasting weather conditions. In April, temperatures can dip as low as -16°C (4°F), with an average of 3°C (38°F) and a maximum reaching 22°C (72°F). The month experiences a relatively low precipitation level of 17 mm (0.7 in) over 4 days, alongside a higher humidity of 74%. In stark contrast, August sees milder temperatures, ranging from a minimum of 1°C (34°F) to an average of 15°C (59°F) and a maximum of 27°C (82°F). This month is also wetter, with precipitation totaling 66 mm (2.6 in) spread across 9 days and humidity levels decreasing to 54%. For more detailed information, you can explore Altai weather in August.
April and September present noteworthy contrasts in weather, reflecting the seasonal transitions. In April, temperatures can drop to a brisk -16°C (4°F), with an average of 3°C (38°F) and highs reaching 22°C (72°F). This month also experiences a relatively high humidity of 74% and about 17 mm of precipitation over four days. In contrast, September brings milder conditions, with minimum temperatures around -7°C (19°F), an average of 9°C (49°F), and a maximum of 26°C (80°F). While the precipitation slightly increases to 19 mm over four days, the humidity drops to a comfortable 59%. For those interested in more details about weather variations in September, please refer to Altai weather in September.
April and October present quite different weather experiences despite only a few months separating them. In April, temperatures range from a chilly minimum of -16°C (4°F) to a warm maximum of 22°C (72°F), with an average of 3°C (38°F), making it a month of notable variability. The humidity is relatively high at 74%, and there's light precipitation totaling 17 mm over four days. In contrast, October sees a more stable temperature profile with a maximum of 19°C (66°F) and an average of 0°C (33°F), while the minimum only dips slightly to -15°C (5°F). The month also benefits from slightly lower humidity at 67% and less precipitation, totaling 10 mm over the same number of days. For more details about the weather in October, you can visit Altai weather in October.
April and November present distinct contrasts in weather conditions. In April, temperatures begin to rise, with a minimum of -16°C (4°F), an average of 3°C (38°F), and a maximum reaching 22°C (72°F). The month sees a moderate level of precipitation, totaling 17 mm (0.7 in) over about 4 days, accompanied by a relative humidity of 74%. In contrast, November is much colder, with a minimum temperature plummeting to -25°C (-13°F), an average of -7°C (19°F), and a maximum of only 11°C (53°F). Precipitation is minimal, amounting to just 7 mm (0.3 in) over a single day, and humidity increases to 86%, creating a starkly different atmosphere. For more details, you can explore Altai weather in November.
April and December present strikingly different weather patterns, highlighting the transition from winter to spring. In April, temperatures range from a low of -16°C (4°F) to a pleasant high of 22°C (72°F), with an average of 3°C (38°F). The month experiences relatively low precipitation at 17 mm (0.7 in) over about 4 days, alongside moderate humidity levels of 74%. In contrast, December is characterized by much harsher conditions, with temperatures plunging to a minimum of -31°C (-24°F) and an average of -15°C (5°F), only slightly rising to a maximum of 0°C (33°F). Precipitation is minimal, at just 4 mm (0.2 in) over 1 day, but the humidity is remarkably high at 96%, adding to the already frigid sensation. For a more in-depth look at the contrasting weather, check out Altai weather in December.
As April unfolds in Altai, the landscape experiences a notable transition from the harsh winter chill to the gentle embrace of spring. While temperatures begin to rise, with maximums reaching up to 22°C, the average remains a cool 3°C, dip below freezing at night, which contrasts sharply with the warmer summer months ahead. April's weather, marked by 17 mm of precipitation over just four days, offers a refreshing change but also hints at the lingering chill of winter with occasional frost. Coupled with a higher humidity level of 74%, the month can feel invigorating yet brisk. To fully appreciate the unique characteristics of Altai's weather throughout the year, discover more at Altai Climate.