Last updated: August 28, 2025
In May, Altai, Mongolia experiences a dynamic shift in weather, with temperatures ranging from a brisk -11°C (12°F) at night to a warm 24°C (76°F) during the day. The average temperature hovers around 10°C (49°F), creating a refreshing spring atmosphere. Despite the pleasant warmth, a moderate precipitation amount of 19 mm (0.8 in) falls over approximately 6 days, adding to the region's lush landscape. With humidity levels at 50%, the mix of cool air and occasional rain provides a unique charm to this mountainous terrain, making May an intriguing time to explore Altai's natural beauty.
In May, Altai, Mongolia experiences a significant transition as winter's grip loosens and spring takes hold. With minimum temperatures around -11°C (12°F) and an average of 10°C (49°F), this month marks a notable improvement compared to the biting cold of earlier months. As the days lengthen and warm up, highs can reach 24°C (76°F), providing a refreshing contrast to the preceding chill. This shift not only heralds the arrival of brighter days but also invites outdoor activities, as the landscape begins to bloom. From the frigid depths of winter to the invigorating warmth of late spring, May in Altai is a vibrant reminder of nature's rhythm and resilience.
In May, Altai, Mongolia, experiences a notable increase in precipitation, with totals reaching 19 mm (0.8 in) over 6 days of rainfall. This uptick continues the upward trend observed from the previous months, where precipitation gradually rose from a mere 3 mm (0.1 in) in January to 17 mm (0.7 in) in April. The pleasant showers of May mark the transition into the wetter season, paving the way for even rainier months ahead, particularly June and July, which see significant spikes in precipitation. As flora bursts into life, the increasing moisture is vital for sustaining the vibrant ecosystems of the region.
As spring transitions into summer in Altai, Mongolia, May marks a notable shift in humidity levels. With an average humidity of 50%, this month sees a significant decrease compared to the damp, frigid winter months, where humidity hovers around 98% in January. The spring months prior to May exhibit a gradual decline, from 88% in March to 74% in April, hinting at the dry warming trends. Although June and July maintain a relatively low humidity around the 48-49% range, May serves as a pivotal point, ushering in a period of greater comfort before the values begin to creep back up again in the fall. This fluctuation not only highlights a refreshing break from the winter chill but also sets the stage for the dry summer ahead.
In May, Altai, Mongolia experiences a significant surge in UV radiation, with the UV Index peaking at 10, categorizing exposure as very high. This intense level of sunlight means that outdoor enthusiasts need to be particularly cautious, as the burn time is reduced to just 15 minutes. This trend of escalating UV intensity continues from April, where the Index climbs from 9 to 10, and remains consistent through June, July, and August. As the summer progresses, maintaining skin protection becomes crucial, with May marking the threshold for the highest UV exposure of the year. For tips and more details about UV levels, check out Altai UV Index.
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May brings a delightful peak of sunshine in Altai, Mongolia, with an impressive 385 hours basking in daylight. Following a gradual increase from January’s modest 210 hours, each month experiences a steady upswing, culminating in May’s brightness. The trend showcases a vibrant transition from the cold winter months, with February and March capturing the essence of spring as daylight hours blossom to 276 and 342, respectively. As April approaches, the sun strengthens its hold, leading to 353 hours, and May's warm embrace signals the height of solar abundance before a slight dip in June. This upward trajectory underscores the enchanting transition of seasons, where the long days of spring and summer invite exploration and connection with the stunning landscapes of Altai.
In Altai, Mongolia, the likelihood of sunny weather in May is estimated at 58%, mirroring a brief upward trend from the preceding months of April and March, which saw chances of sun at 58% and 57%, respectively. This slight stabilization suggests a shift towards more favorable conditions as spring progresses. Although the likelihood of sunny days decreases in June and July, the sunshine is anticipated to return with vigor in the later months, particularly in September, which boasts a striking 77% chance of clear skies. As May approaches, visitors can look forward to pleasant days, blending the charm of spring with moments of sunshine.
As spring transitions into summer in Altai, Mongolia, the length of daylight undergoes a remarkable transformation. In May, the days stretch to a generous 14 hours, marking a significant increase from 13 hours in April. This surge in daylight heralds the arrival of warmer days, allowing for more time to enjoy the vibrant natural beauty of the region. The daylight hours continue to climb, peaking at 15 hours during June and July, before gradually tapering off as autumn approaches. By August, the hours of daylight begin to decline yet remain plentiful at 14 hours, showing a gradual shift towards shorter days as the year progresses. This rhythm of light and dark creates a dynamic backdrop for life in Altai, enhancing both daily activities and the stunning landscapes that define the region.
In May, the winds in Altai, Mongolia begin to pick up, reaching an average speed of 4.1 m/s (9 mph), making it the windiest month of the early year. This upward trend in wind speed, which starts in April with 3.4 m/s, signals a shift into a brisker season after the calmer months of winter. As the spring flowers bloom, the increasing wind invigorates the landscape, providing a refreshing contrast to the more subdued conditions of the preceding months. While June sees a slight dip back to 3.4 m/s, the seasonal winds in May embody a vibrant transition that heralds the warmth of summer, making it a notable time for exploration and adventure in the Altai region.
Weather in Altai varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Altai, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present starkly contrasting weather conditions. In May, temperatures range from a chilly -11°C (12°F) at night to a comfortable 24°C (76°F) during the day, averaging around 10°C (49°F). With only 19 mm (0.8 in) of precipitation over about 6 days, humidity sits at a more moderate 50%. In contrast, January experiences much harsher conditions, with minimum temperatures plummeting to -35°C (-30°F) and daytime highs barely reaching -2°C (29°F), averaging a frigid -17°C (2°F). This month sees minimal precipitation, just 3 mm (0.1 in) over 0 days, but a high humidity level of 98% makes the cold feel even more intense. For a detailed overview, visit Altai weather in January.
May and February present stark contrasts in weather conditions. In May, temperatures range from a chilly -11°C (12°F) to a pleasant 24°C (76°F), with an average of 10°C (49°F). The month sees a total precipitation of 19 mm (0.8 in) over six days, along with a moderate humidity of 50%. In contrast, February is much colder, with temperatures plummeting from a minimum of -27°C (-17°F) to a maximum of just 6°C (43°F), resulting in an average temperature of -13°C (10°F). Precipitation is minimal at 6 mm (0.2 in) over just one day, coupled with a high humidity level of 94%. For more details on February weather, visit Altai weather in February.
In comparing the weather conditions of May and March, it's evident that May experiences a significant increase in temperatures, with average highs reaching 10°C (49°F) compared to March's average high of -4°C (24°F). May showcases a broader range of temperatures, with maximums soaring to 24°C (76°F) and minimums only dipping to -11°C (12°F), while March is characterized by much colder minimums at -20°C (-4°F). Precipitation is slightly higher in May at 19 mm (0.8 in) over 6 days, compared to March's 10 mm (0.4 in) over just 3 days, indicating that May might be slightly wetter. Additionally, humidity levels in March are notably higher at 88%, leading to a more damp and chilly feel, whereas May's humidity rests at a more comfortable 50%. For a closer look at March weather specifics, please refer to Altai weather in March.
In comparing the weather of May and April, May experiences a milder climate with an average temperature of 10°C (49°F) and a maximum reaching 24°C (76°F). In contrast, April has cooler temperatures, with an average of only 3°C (38°F) and minimums dropping to -16°C (4°F). While both months receive similar amounts of precipitation—19 mm (0.8 in) in May and 17 mm (0.7 in) in April—May sees rain spread over six days compared to just four days in April. Additionally, May has a lower humidity level at 50%, making it feel more comfortable than April, which has higher humidity at 74%. For more detailed information about April weather, you can visit Altai weather in April.
May and June present notably different weather patterns. In May, temperatures range from a chilly minimum of -11°C (12°F) to a pleasant maximum of 24°C (76°F), with an average temperature of 10°C (49°F). The month experiences 19 mm (0.8 in) of precipitation over 6 days and maintains a humidity level of 50%. In contrast, June sees warmer temperatures, with a minimum of -1°C (30°F), an average of 15°C (60°F), and a maximum reaching 29°C (84°F). While June has slightly higher precipitation levels at 27 mm (1.1 in) over 8 days, the humidity dips slightly to 48%. Overall, June marks a significant transition towards warmer, more humid weather compared to May. For more details, visit Altai weather in June.
May and July showcase distinct weather patterns. In May, temperatures range from a chilly minimum of -11°C (12°F) to a pleasant average of 10°C (49°F), peaking at a maximum of 24°C (76°F). The month experiences light precipitation at 19 mm (0.8 in) over six days, with a moderate humidity level of 50%. In contrast, July heats up significantly, with temperatures ranging from a minimum of 4°C (40°F) to an average of 17°C (64°F), reaching a maximum of 31°C (87°F). Precipitation increases to 42 mm (1.6 in) over nine days, while humidity remains relatively stable at 49%. For more detailed insights, check out Altai weather in July.
May and August present distinct weather patterns, reflecting the transition from spring to summer. In May, temperatures range from a chilly -11°C (12°F) to a mild maximum of 24°C (76°F), with an average of 10°C (49°F). The month experiences relatively low precipitation of 19 mm (0.8 in) over 6 days and maintains a humidity level of 50%. In contrast, August brings warmer temperatures, with a minimum of 1°C (34°F), an average of 15°C (59°F), and a maximum reaching 27°C (82°F). The month is also wetter, receiving 66 mm (2.6 in) of rainfall over 9 days, accompanied by slightly higher humidity at 54%. For more detailed information about August weather, you can check Altai weather in August.
May and September offer contrasting yet mild weather conditions. In May, temperatures range from a minimum of -11°C (12°F) to a maximum of 24°C (76°F), with an average temperature of 10°C (49°F). The month experiences around 19 mm (0.8 in) of precipitation over about 6 days, and humidity levels sit at 50%. In comparison, September showcases slightly warmer conditions, with temperatures ranging from -7°C (19°F) to 26°C (80°F) and an average temperature similar to May at 9°C (49°F). Precipitation remains constant at 19 mm (0.8 in) but occurs over only 4 days, and humidity increases to 59%. For those interested in September's weather nuances, you can find more information in the link: Altai weather in September.
May and October present stark contrasts in weather conditions. In May, the temperatures range from a chilly minimum of -11°C (12°F) to a warmer maximum of 24°C (76°F), with an average of 10°C (49°F). This month sees a moderate amount of precipitation at 19 mm (0.8 in) over six days, accompanied by a humidity level of 50%. In comparison, October experiences cooler temperatures, with a minimum of -15°C (5°F) and a maximum of 19°C (66°F), resulting in an average of around 0°C (33°F). Precipitation decreases to 10 mm (0.4 in) over just four days, but humidity rises to 67%, making the air feel somewhat damp. For more details on October conditions, you can check Altai weather in October.
May and November present strikingly different weather patterns. In May, temperatures are generally mild, ranging from a minimum of -11°C (12°F) to a maximum of 24°C (76°F), with an average of 10°C (49°F). The month experiences moderate precipitation of 19 mm (0.8 in) over about six days, coupled with a comfortable humidity level of 50%. In contrast, November is much colder, with temperatures plummeting to a minimum of -25°C (-13°F) and averaging -7°C (19°F), reaching a maximum of 11°C (53°F). Precipitation is considerably lower at 7 mm (0.3 in) over just one day, and the humidity is significantly higher at 86%. For more detailed insights, you can check Altai weather in November.
In May, temperatures are relatively mild, ranging from a minimum of -11°C (12°F) to an average of 10°C (49°F), peaking at a maximum of 24°C (76°F). The month experiences moderate precipitation with about 19 mm (0.8 in) over six days and a humidity level of 50%. In contrast, December brings much colder conditions, with temperatures plummeting to a minimum of -31°C (-24°F) and averaging -15°C (5°F), only reaching a maximum of 0°C (33°F). Precipitation is significantly lower at just 4 mm (0.2 in) over a single day, accompanied by high humidity at 96%. For more details on the weather during December, you can visit Altai weather in December.
As spring fully arrives in May, the weather in Altai begins to show a marked improvement compared to the cooler months preceding it. With a notable increase in temperature, daytime highs can reach a pleasant 24°C, offering a welcome contrast to the crisp chill of earlier spring. Though occasional precipitation remains, with about six days of rain, the overall dryness leads to a refreshing ambiance, making May an ideal time for outdoor activities amidst the lush greenery. This month’s average humidity level sits comfortably at 50%, creating a balanced climate that invites both residents and visitors to embrace the stunning natural beauty of the region. For more detailed insights on seasonal variations, check out Altai Climate.